surge protection devices spds

Dual-function combined SPD integrating Type 2 high-current diversion and Type 3 precise voltage clamping, installed at LPZ1-LPZ2 terminal zones and coordinated with front Type 1 arresters for staged surge suppression. 25ns nanosecond phase response instantly blocks grid switching voltage spikes, two Uc variants match regional impulse withstand requirements. Vibration-resistant modular build reduces loose contact risks on production lines, standardized 5N·m torque enables

Product Description 4-pole Type 2 SPD fits three-phase power distribution systems in commercial buildings, mounted on floor secondary panels within LPZ0B-LPZ1 zones to shield lighting, air conditioning, CCTV and office electronics from induced lightning surges and grid voltage fluctuations. Multiple Uc ratings (275/320/385/440Vac) match global commercial mains standards. Pluggable modules simplify property maintenance replacement, V0 flame retardant housing mitigates cabinet

This 3+NPE three-phase surge arrester is designed for LPZ1-LPZ2 terminal lightning zones with patented GMR ultra-low residual voltage technology to clamp switching and lightning transients quickly. Full L1/L2/L3-N plus independent N-E discharge circuits deliver ≤25ns L-N response time, the 320Vac variant achieves residual voltage as low as 1.0kV to mitigate calibration drift on PLCs, sensors and CNC controllers. Vibration-resistant pluggable modules integrate green/red visual

High-performance lightning arrester designed for photovoltaic power generation systems, available in 100V, 300V, 500V, and 1000V configurations with 20KA/40KA surge handling capacity. Key Features ● High Surge Handling Capacity: Nominal discharge current 20KA, maximum discharge current 40KA, residual voltage ≤2.0KV for effective lightning and overvoltage protection. ● Easy Installation: 2P 36MM rail mounting compatible with circuit breaker distribution boxes. ● Compact Design

Product Description This 4-pole AC power surge arrester fits LPZ0B to LPZ1 lightning protection zones and indoor three-phase low-voltage distribution cabinets. It diverts lightning surges and grid switching transients, clamping residual voltage ≤ 1.25kV to protect PLCs, control panels and precision electronic equipment. The pluggable anti-vibration module comes with built-in ultra-low temperature thermal release, visual deterioration indicator and NC/NO remote signalling

LPM 40-385/4 Series is a T2 level power surge protector designed for three-phase power supply systems. It is specifically tailored for industrial and commercial power systems, providing reliable protection against transient overvoltages caused by lightning strikes and power grid fluctuations. Product features ● Independent integrated module for each pole ● Built-in ultra-low temperature release mechanism ● Equipped with indication windows and remote signaling contacts ●

The LPM 80-385/4 is a Type T2 three-phase surge protective device (SPD) engineered to defend three-phase AC power distribution systems from lightning-induced surges and transient overvoltages. Built for installation in LPZ 0B+ and subsequent lightning protection zones, this unit delivers robust, reliable protection for both commercial and industrial infrastructure. Product features ● The module is designed to be pluggable and anti vibration. ● Built in ultra-low temperature

Product Features● One channel NTC acquisition port: measure the surface temperature of SPD, with ultra/low temperature alarm function, threshold can be set, and independent alarm indicator can record 30 times (register reading) of alarm times and the date and time of alarm occurrence.● One lightning surge collection port: monitoring line surge current, triggering threshold of 500A, T1/T2/T3 compatible. The surge count is displayed locally for 0-9999 times, and the register

SLV-10S/SLV-20S is a compact ultra-low residual voltage surge protector designed for single-phase power supply systems, ideal for fine lightning protection in LPZ 1-2 and subsequent lightning protection zones. As a series-installed fine arrester at the front end of equipment, it integrates full-mode protection to shield against surges in line-neutral, line-earth, and neutral-earth paths.With nominal discharge current of 10kA (SLV-10S) and 20kA (SLV-20S), this SPD efficiently