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Surge protection device (SPD) TDS2
Technical Data
| Standard | IEC61643-11 |
| Type | AC/DC |
| Poles | 1P 3P 4P 2P 1+NPE 3+NPE |
| Rated working voltage | 220V±10% |
| Maximum continuousoperating voltage (Uc) | 320VAC |
| Nominal dischargecurrent (ln) | 20KA |
| Maximum dischargecurrent (lmax) | 40KA |
| Voltage protectionlevel (Up) | 1.7kV |
| Rated short-circuitcurrent (lsccr) | 300A |
Product Overview
The Surge Protection Device (SPD) is a protective device specifically designed against transient surge impacts such as lightning-induced overvoltages and switching overvoltages. Through a multi-stage protection mechanism, it can rapidly discharge surge currents and limit overvoltages, effectively protecting electrical and electronic equipment from damage. Its core value lies in providing nanosecond-level response speed and powerful energy absorption capacity, ensuring the safe and stable operation of power distribution systems, communication equipment, and precision instruments under sudden events like lightning strikes and power grid fluctuations.
Core Functions
Rapid Surge Discharge: Responds to lightning strikes or switching overvoltages within nanoseconds, diverting surge currents of thousands of amperes to the ground.
Precise Overvoltage Limitation: Clamps line voltage within the safe range of equipment, preventing insulation breakdown and component damage.
Multiple Protection Modes: Provides comprehensive protection modes including L-N, N-PE, L-PE, covering various application scenarios in single/three-phase systems.
Remote Status Indication: Equipped with remote signaling contacts and visual alarm windows, supporting remote monitoring and operational maintenance.
Main Application Fields
Building Power Distribution Systems: Main distribution cabinets, floor distribution boxes, equipment control centers.
Communication Infrastructure: Base station power systems, switch rooms, data center power distribution busways.
Industrial Automation: PLC control systems, frequency converter ports, power inlets of precision instruments.
New Energy Sector: Photovoltaic inverter side, wind power conversion systems, charging pile power distribution circuits.
Public Facilities: Road traffic signal systems, security monitoring power supplies, medical equipment power supply protection.
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Modular DIN Rail Products
Smart Molded Case Circuit Breakers
PV Systems
Distribution Box

