Power Protection Equipments
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We are providing to our clients various power protection equipments at highly competitive prices. Our equipments like three phase power protection equipment, single phase power protection system are easy to install and require less maintenance thus; making these cost effective. Owing to these qualities, our products are widely used in industries like Defense, Telecom, Railways and Heavy engineering industry.
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 | Three Phase Power Protection | | |
| We are offering three phase power protection equipments which prevent problems like Phase failure, Phase sequence reversal and Momentary Interruption. These have a heat resistant and a non flammable body which helps in their efficient functioning. We can provide these in different voltage standards and other specifications as per the requirements of our esteemed clients.
| Ordering Code | Description | | SST150 | Din Mount, L-N, L-E protection, 240VAC Nominal, (385V Uc), 50kA 8/20 micro sec. | | SS140-275 | Din Mount, L-N, L-E protection, 110-240VAC Nominal, (275V Uc), 40kA 8/20 micro sec. | | SS140-480 | Din Mount L-N, L-E protection, 240VAC Nominal, (480V Uc), 40kA 8/20 micro sec. | | 3XSS140-275+NE15 | Din Mount 3 phase L-N and N-E protection, 110-240VAC Nominal, (275V Uc), 40kA 8/20 micro sec. |
SS150, and both SS140 products all contain changeover alarm contacts and indicators. The 3XSS140-275+NE15 only has indicators (no alarms contacts).
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| Single Phase Power Protection | | |
Our single phase power protection equipments are providing tight voltage clamping, electrical noise filtering, sine wave tracking and high surge current handling capacity for comprehensive equipment protection. These ensure accurate diagnostic monitoring of protection status with local and remote failure indication.
| Ordering Code | Description | | SGT50-25 | Din Mount Spark Gap L-N, L-E protection, 240VAC Nominal, 50kA 10/350 micro sec. | | SG60 | Din Mount Spark Gap L-N, L-E protection, 440VAC Nominal, 60kA 10/350 micro sec. | | NE100 | Din Mount Spark Gap N-E protection, 240VAC Nominal, 100kA 10/350 micro sec. |
Single phase and three phase protectors fitted into steel enclosures (IP55) are availiable as 1PPM and 3PPM. Ask LPI for further details.
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| Surge Filters | | |
| The single and three phase surge filters are offered by us in various filter specifications. In accordance with IEC requirements all units can withstand fault conditions as well as over voltage. These units are well incorporated with non saturating inductors coupled with high reliability capacitors to form an effective low pass filter. It also incorporates shunt protection elements on the line and load sides. The surge filter ensure clean and filtered supply of electricity to all the equipment.
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| Surge Counter | | |
| Our surge counters are designed to be used in conjunction with LPI Surge Filters and Power Protection Modules, or stand alone surge diverters. We can supply these pre-wired into a filter at time of ordering or retrofitted at existing installations. Our surge counters use current sensing circuit to drive electro-mechanical readout. These are registered up to a maximum of 9999999 before resetting to 0000000. It is non re-settable and requires no external power source. Each unit is supplied fully tested and calibrated. The features are as follows: • 7 Digits • Up to 9999999 counts • 35mm DIN rail mount The installation process is as follows: • It is mandatory that the LPI® CT-1 be installed by a licensed electrical contractor in accordance with local standards and regulations • The LPI® CT-1 is designed to clip onto a standard 35mm DIN rail (DIN43800), the case is provided with screw tunnel terminals. |
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| LPI Tester H1 | | |
| We are engaged in supplying of LPI tester H1 which is a portable testing unit designed for quick diagnostics of the operational efficiency of SPDs Class I, II and III. Its display consists of a 30 LED column display (each LED indicates an increase of the output voltage by 100V). The salient features are as follows: • A quick diagnostics of Surge Protection Devices • Ideal for maintenance and testing • Simple operation • Portable |
| LPI Power Line Surge Filter 6A, 10A, 16A | | |
| We are offering The LPI® Power Line Surge Filter which is a multi-mode (L-N, L-E, N-E) surge protection device housed in a DIN enclosure and rated for loads up to 6A/10A/16A. These offer s visual status indication and are designed to clip onto a standard 35mm DIN rail. Due to the low let through voltage it is an ideal power protection device for sensitive electronic equipment. The salient features are as follows: • High performance low current power filter • Multi mode protection (L-N, L-E and N-E) for sensitive loads • High kA rating providing longer operating life • Internal thermal fuses protected • Power and Status indication The installation process is as follows: • It is mandatory that the LPI PLSF range be installed by a licensed electrical contractor in accordance with local standards and regulations • If some latitude is allowed in the positioning of the filter, choose a location which affords a short direct run to a substantial earthing point, either a station earth bar or switchboard earth bus otherwise, use the distribution wiring • The earth impedance of the electrical system should be less than 10 ohms • The purpose of the filter is to remove surges and other overvoltage disturbances, which may be caused by induction or direct injection therefore, it is vital to segregate input and output cabling • Do not run these cables in a common duct, treat the input cabling as dirty • Use the V or Kelvin method Check continuity and insulation with a hand held multimeter • Designed to clip on to a standard 35mm DIN rail (DIN43800), all units are to be installed in series with the circuit being protected, polarity is important, line and load side connections should be observed. • Do Not Perform a Megger Test as it will cause the surge suppression components to operate, which will produce a test result that indicates excessive leakage (this is meant to happen). Application These are hardwired in final power subcircuits of low voltage distribution systems to provide protection for sensitive electronic equipment. Our surger filters will not interfere with the operation of residual current devices (RCDs) and may be placed on the load side of such devices. The LPI PLSF range has a surge handling capability to suit AS1768 category locations A and B in reasonably exposed areas. Moreover, these are not specifically designed for point of entry protection. In a total solution it would be normal to augment the LPI PLSF-6A with surge diverters of a suitable rating at the point of entry. |
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| Spark Gap Surge Filters | | |
| We are offering spark gap surge filters which are designed to suit TT, TN-C, TN-S, TN-C-S & IT distribution systems. These have status indicators, remote alarm contact and optional surge counter Electronic equipment which are highly susceptible to damage from lightning and other transient pulses (including man made switching transients), which arrive via the powerlines through direct strike, or inductive and capacitive coupling. The salient features are as follows: • Provides multiple stage protection against incoming surges & transients and shall be installed in series with the incoming mains power supply to the equipment or building • Shunt-only clamping alone is not sufficient, as it does not limit the excessive wavefront characteristic of the pre-clamped waveform • The LPI Surge Filter will reduce the rate of rise of voltage (dv/dt) to below 15V/s as per AS1768 Cat B 3kA (8/20s) applied impulse and to below 30V/ for AS 1768 Cat C 20kA (8/20) applied impulse • Filter is designed for multistroke lightning events and is supplied with spark gaps as the primary protection between Phase and Neutral rated at 50kA 10/350s (135kA 8/20s) • The second stage consists of ferro-cored inductors and capacitors (L-C Filtering) which further attenuates the let-through voltage already clamped by the primary stage • Ferro-cored inductors are used as they are much smaller than non-saturating air-cored inductors • Unlike primary MOV protection, the let through voltage of Spark Gaps remain high for only a few microseconds and hence ferro-cored inductors are a practical alternative • The filter attenuates noise and any armonics present on the power system and is designed to attenuate transverse and common mode noise • The third stage consists of SS275 diverters connected across the load side; these are designed to suppress surges generated by load side equipment. LPI SG+SS275 filter limits the voltage differential due to a lightning induced impulse between phase and neutral as well as from neutral to ground thus; providing both common mode and differential (transverse) mode protection • Neutral to earth protection rated at 100kA 10/350 (150kA 8/20) is provided to limit feedback currents if the site earth goes high potential with respect to the sub station or transformer earth • Designed to suit TT, TN-C, TN-S, TN-C-S & IT distribution systems • Ferro cored inductors dv/dt and di/dt of the incoming surge will be reduced by 1000 times • Primary (135kA 8/20) and secondary (40kA 8/20) surge protection (Total of 175kA 8/20 per phase). • High N - E protection rating100kA 10/350, 150kA 8/20 • High performance surge protector for an operating voltage of 110 - 220Vac • Encapsulated spark gap and SS275 technology capable of operation under fault /overvoltage conditions up to 275Vac • Three stage protection provides highest level of protection for sensitive electronic equipment |
| LPI SS480 Spark Gap Surge Filters | | |
| Our SS480 Series Surge Filter provides multiple stage protection against incoming surges & transients. These shall be installed in series with the incoming mains power supply to the equipment or building. Our filters will reduce the rate of rise of voltage (dv/dt) to below 15V/s as per AS1768 Cat B 3kA (8/20s) applied impulse and to below 30V/ for AS 1768 Cat C 20kA (8/20) applied impulse. The salient features are as follows: • The SG+SS480 series filter is designed for multistroke lightning events and is supplied with spark gaps as the primary protection between Phase and Neutral rated at 50kA 10/350s (135kA 8/20s) • The second stage consists of ferro-cored inductors and capacitors (L-C Filtering) which further attenuates the let-through voltage already clamped by the primary stage • Ferro-cored inductors are used as they are much smaller than non-saturating air-cored inductors • Unlike primary MOV protection, the let through voltage of Spark Gaps remain high for only a few microseconds and hence ferro-cored inductors are a practical alternative • The filter attenuates noise and any harmonics present on the power system and is designed to attenuate transverse and common mode noise • The third stage consists of SS480 diverters connected across the load side, these are designed to suppress surges generated by load side equipment • Limits the voltage differential due to a lightning induced impulse between phase and neutral as well as from neutral to ground thus; providing both common mode and differential (transverse) mode protection • Neutral to earth protection rated at 100kA 10/350 (150kA 8/20) is provided to limit feedback currents if the site earth goes high potential with respect to the sub-station or transformer earth. • High performance surge protector for an operating voltage of 200 - 277Vac • Encapsulated spark gap and SS480 technology capable of operation under fault /over voltage conditions up to 480Vac • Three stage protection provides highest level of protection for sensitive electronic equipment • Designed to suit TT, TN-C, TN-S, TN-C-S & IT distribution systems • Ferro cored inductors dv/dt and di/dt of the incoming surge will be reduced by 1000 times • Primary (135kA 8/20) and secondary (40kA 8/20) surge protection (Total of 175kA 8/20 per phase). • High N - E protection rating100kA 10/350, 150kA 8/20 • Status indicator, remote alarm contact and optional surge counter The installation work is carried out as follows: • All installation work must be carried out by licensed electrical personnel • The power must be disconnected • Ensure no dangerous neutral to earth voltages exist prior to commencing installation work • The Surge Filter should be installed as close as practical to the Power Distribution Panel • Filters rated at 315A and above are fitted with two mounting rails (refer to Figure 1) to assist with mounting the unit to the wall • The input and output power cables that connect to the Surge Filter must have a current rating at least equal to that of the unit being installed. • All cables are routed through the bottom of the cabinet. Suitable cable glands should be fitted to the gland plates • All connection points are clearly labeled on the backplane • Connect the input and output power lines |
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| LPI SG SST Spark Gap Surge Filter | | |
| We offer LPI SG + SST Spark Gap Surge Filter which are designed to suit TT, TN-C, TN-S, TN-C-S & IT distribution systems. These provide multiple stage protection against incoming surges & transients and shall be installed in series with the incoming mains power supply to the equipment or building. The salient features are as follows: • Designed for multistroke lightning events and comes with the SS140-275 as the primary protection, rated at 120kA 8/20s per phase, as the first stage to absorb the majority of the energy • The SS offers the ultimate level of safety and reliability whilst retaining optimum protection levels critical for electronic equipment • SS ensures that the protection device is virtually immune to the effects of 50/60 Hz sustained over voltages, allowing fault voltages up to 275Vac • The second stage consists of low pass non-saturating inductors and capacitors (L-C Filtering) which further attenuates the let-through voltage already clamped by the primary stage The filter attenuates noise and any harmonics present on the power system and is designed to attenuate transverse and common mode noise • The third stage consists of further surge diverters rated at 40kA 8/20 connected across the load side; these are designed to suppress surges generated by load side equipment. • LPI Surge Filter limits the voltage differential due to a lightning induced impulse between phase and neutral as well as from neutral to ground thus; providing both common mode and differential (transverse) mode protection • Neutral to earth protection rated at 100kA 10/350 (or 150kA 8/20) is provided to limit feedback currents if the site earth goes high potential with respect to the sub-station or transformer earth • High performance surge protector for an operating voltage of 110 - 220Vac • Designed to withstand fault and over-voltage conditions up to 275Vac • Nominal impulse discharge current 120kA + 40kA 8/20 Ph-N • Three stage protection provides highest level of protection for sensitive electronic equipment • Non-saturating inductors dv/dt and di/dt of the incoming surge will be reduced by 1000 times • Primary (120kA 8/20) and secondary (40kA 8/20) surge protection • High N - E protection rating100kA 10/350 or 150kA 8/20 • Status indication and optional surge counter |
| LPI SS275 Surge Filters | | |
| Our LPI SS275 Surge Filters provides multiple stage protection against incoming surges & transients. The LPI Surge Filter will reduce the rate of rise of voltage (dv/dt) to below 15V/s as per AS1768 Cat B 3kA (8/20s) applied impulse and to below 30V/s for AS 1768 Cat C 20kA (8/20s) applied impulse. These shall be installed in series with the incoming 110-220Vac single phase (Phase-Neutral) mains power supply to the equipment or building. The salient features are as follows: • Designed for multistroke lightning events and comes with the SS140-275 as the primary protection, rated at 120kA 8/20s per phase, as the first stage to absorb the majority of the energy • The SS offers the ultimate level of safety and reliability whilst retaining optimum protection levels critical for electronic equipment • SS ensures that the protection device is virtually immune to the effects of 50/60 Hz sustained over voltages, allowing fault voltages up to 275Vac • The second stage consists of low pass non-saturating inductors and capacitors (L-C Filtering) which further attenuates the let-through voltage already clamped by the primary stage • The filter attenuates noise and any harmonics present on the power system and is designed to attenuate transverse and common mode noise • The third stage consists of further surge diverters rated at 40kA 8/20 connected across the load side; these are designed to suppress surges generated by load side equipment. • LPI Surge Filter limits the voltage differential due to a lightning induced impulse between phase and neutral as well as from neutral to ground thus; providing both common mode and differential (transverse) mode protection • Neutral to earth protection rated at 100kA 10/350 (or 150kA 8/20) is provided to limit feedback currents if the site earth goes high potential with respect to the sub-station or transformer earth • High performance surge protector for an operating voltage of 110 - 220Vac • Designed to withstand fault and over-voltage conditions up to 275Vac • Nominal impulse discharge current 120kA + 40kA 8/20 Ph-N • Three stage protection provides highest level of protection for sensitive electronic equipment • Designed to suit TT, TN-C, TN-S, TN-C-S & IT distribution systems • Non-saturating inductors dv/dt and di/dt of the incoming surge will be reduced by 1000 times • Primary (120kA 8/20) and secondary (40kA 8/20) surge protection • High N - E protection rating100kA 10/350 or 150kA 8/20 • Status indication and optional surge counter |
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| LPI SS480 Surge Filters | | |
| These LPI SS480 Surge Filters are designed for multistroke lightning events and comes with the SS140-480 as the primary protection, rated at 160kA 8/20s per phase, as the first stage to absorb the majority of the energy. These provide multiple stage protection against incoming surges & transients. The salient features are as follows: • High performance surge protector for an operating voltage of 110 - 220Vac • Designed to withstand fault and over-voltage conditions up to 275Vac • Nominal impulse discharge current 120kA + 40kA 8/20 Ph-N • Three stage protection provides highest level of protection for sensitive electronic equipment • Designed to suit TT, TN-C, TN-S, TN-C-S & IT distribution systems • Non-saturating inductors dv/dt and di/dt of the incoming surge will be reduced by 1000 times • Primary (120kA 8/20) and secondary (40kA 8/20) surge protection • High N - E protection rating100kA 10/350 or 150kA 8/20 • Status indication and optional surge counter • The SS offers the ultimate level of safety and reliability whilst retaining optimum protection levels critical for electronic equipment • SS ensures that the protection device is virtually immune to the effects of 50/60 Hz sustained over voltages, allowing fault voltages up to 275Vac • The second stage consists of low pass non-saturating inductors and capacitors (L-C Filtering) which further attenuates the let-through voltage already clamped by the primary stage • The filter attenuates noise and any harmonics present on the power system and is designed to attenuate transverse and common mode noise • The third stage consists of further surge diverters rated at 40kA 8/20 connected across the load side; these are designed to suppress surges generated by load side equipment. • LPI Surge Filter limits the voltage differential due to a lightning induced impulse between phase and neutral as well as from neutral to ground thus; providing both common mode and differential (transverse) mode protection • Neutral to earth protection rated at 100kA 10/350 (or 150kA 8/20) is provided to limit feedback currents if the site earth goes high potential with respect to the sub-station or transformer earth. |
| LPI SS480 Surge Filter 32A, 40A, 63A | | |
| We are providing to out clients with LPI SS480 Surge Filter 32A, 40A, 63A (1Ã??¦ and 3Ã??¦) which are designed for multistroke lightning events and comes with the SS140-480 as the primary protection, rated at 160kA 8/204s per phase, as the first stage to absorb the majority of the energy. These provide multiple stage protection against incoming surges & transients and shall be installed in series with the incoming 200-277Vac single phase (Phase - Neutral) mains power supply to the equipment or building. The salient features are as follows: • The SS offers the ultimate level of safety and reliability whilst retaining optimum protection levels critical for electronic equipment • SS ensures that the protection device is virtually immune to the effects of 50/60 Hz sustained over voltages, allowing fault voltages up to 275Vac • The second stage consists of low pass non-saturating inductors and capacitors (L-C Filtering) which further attenuates the let-through voltage already clamped by the primary stage • The filter attenuates noise and any harmonics present on the power system and is designed to attenuate transverse and common mode noise • The third stage consists of further surge diverters rated at 40kA 8/20 connected across the load side; these are designed to suppress surges generated by load side equipment. • LPI Surge Filter limits the voltage differential due to a lightning induced impulse between phase and neutral as well as from neutral to ground thus; providing both common mode and differential (transverse) mode protection • Neutral to earth protection rated at 100kA 10/350 (or 150kA 8/20) is provided to limit feedback currents if the site earth goes high potential with respect to the sub-station or transformer earth • High performance surge protector for an operating voltage of 110 - 220Vac • Designed to withstand fault and over-voltage conditions up to 275Vac • Nominal impulse discharge current 120kA + 40kA 8/20 Ph-N • Three stage protection provides highest level of protection for sensitive electronic equipment • Designed to suit TT, TN-C, TN-S, TN-C-S & IT distribution systems • Non-saturating inductors dv/dt and di/dt of the incoming surge will be reduced by 1000 times • Primary (120kA 8/20) and secondary (40kA 8/20) surge protection • High N - E protection rating100kA 10/350 or 150kA 8/20 • Status indication and optional surge counter |
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| LPI SST Surge Filters | | |
| We are engaged in supplying of LPI SST Surge Filters which are High performance surge protectors for an operating voltage of 200 - 240Vac. These provide multiple stage protection against incoming surges & transients and shall be installed in series with the incoming 200-277Vac single phase (Phase - Neutral) mains power supply to the equipment or building. The salient features are as follows: • Designed for multistroke lightning events and comes with the SS140-275 as the primary protection, rated at 120kA 8/20s per phase, as the first stage to absorb the majority of the energy • The SS offers the ultimate level of safety and reliability whilst retaining optimum protection levels critical for electronic equipment • SS ensures that the protection device is virtually immune to the effects of 50/60 Hz sustained over voltages, allowing fault voltages up to 275Vac • The second stage consists of low pass non-saturating inductors and capacitors (L-C Filtering) which further attenuates the let-through voltage already clamped by the primary stage • The filter attenuates noise and any harmonics present on the power system and is designed to attenuate transverse and common mode noise • The third stage consists of further surge diverters rated at 40kA 8/20 connected across the load side; these are designed to suppress surges generated by load side equipment. • LPI Surge Filter limits the voltage differential due to a lightning induced impulse between phase and neutral as well as from neutral to ground thus; providing both common mode and differential (transverse) mode protection • Neutral to earth protection rated at 100kA 10/350 (or 150kA 8/20) is provided to limit feedback currents if the site earth goes high potential with respect to the sub-station or transformer earth • High performance surge protector for an operating voltage of 110 - 220Vac • Designed to withstand fault and over-voltage conditions up to 275Vac • Nominal impulse discharge current 120kA + 40kA 8/20 Ph-N • Three stage protection provides highest level of protection for sensitive electronic equipment • Designed to suit TT, TN-C, TN-S, TN-C-S & IT distribution systems • Non-saturating inductors dv/dt and di/dt of the incoming surge will be reduced by 1000 times • Primary (120kA 8/20) and secondary (40kA 8/20) surge protection • High N - E protection rating100kA 10/350 or 150kA 8/20 • Status indication and optional surge counter |
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