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| T2-AC SPD (CET-T2-AC 1P / 2P / 3P / 4P) | |
|---|---|
| Type | CET-T2-AC 1P / 2P / 3P / 4P |
| Rated voltage (max. continuous a.c. voltage) [ UC ] | 275V or 385V |
| Nominal discharge current (8/20) [ ln ] | 20kA |
| Maximum discharge current (8/20) [ lmax ] | 40kA |
| Voltage protection level [ Up ] | ≤1.5kV |
| Follow current extinguishing capability at UC [ If ] | 32A fuse will not be triggered at 2kA 255V |
| Response time [ tA ] | ≤25ns |
| Max. backup fuse(L) | 200A gL/gG |
| Max. backup fuse(L-L') | 125A gL/gG |
| TOV voltage | 355V / 5sec |
| Operating temperature range (parallel wiring) [ Tup ] | -40°C...+80°C |
| Operating temperature range (through wiring) [ Tus ] | -40°C...+60°C |
| Mounting on | 35mm DIN rail |
| Enclosure material | Purple (module) / light gray (base) thermoplastic, UL94-V0 |
| Width/Pole | 18mm |
| Test standards | IEC 61643-1; GB 18802.1; YD/T 1235.1 |
| Certification | CE ROHS ISO9001 CQC TUV |
| Type of remote signalling contact | Switching contact |
| Switching capacity a.c | 250V / 0.5A |
| Switching capacity d.c | 250V / 0.1A; 125V/0.2A; 75V/0.5A |
| Cross-sectional area for remote signalling contact | Max. 1.5mm2 solid / flexible |
The CET-T2-AC SPD is designed to protect low-voltage AC electrical distribution systems from transient overvoltages and surge spikes. It is suitable for domestic, commercial, and industrial installations.
This device features a nominal discharge current (In) of 20kA (8/20µs) and a maximum discharge current (Imax) of 40kA (8/20µs), providing reliable surge protection under demanding electrical environments.
The response time (tA) of this surge protective device is ≤25ns (nanoseconds), ensuring rapid clamping and diversion of harmful voltage surges before they damage connected equipment.
The unit is designed for easy mounting on standard 35mm DIN rails. The enclosure is constructed with UL94-V0 thermoplastic material, which is highly flame-retardant and safe for commercial environments.
Yes, it features a remote signaling contact (switching contact) with an AC capacity of 250V/0.5A and DC capacities ranging from 250V/0.1A down to 75V/0.5A, permitting convenient system monitoring.
The CET-T2-AC SPD complies with international test standards including IEC 61643-1, GB 18802.1, and YD/T 1235.1. It is fully certified under CE, ROHS, ISO9001, CQC, and TUV.
