Surge protective devices of the RSP-E12.5-30 series
Surge protective devices of the RSP-E12.5-30 series
AC surge protective device, rated voltage 230 V AC. Plug-in design, Class I+II (T1+T2), number of poles: 3.
Technical info
Impulse current (Iimp) 12.5 kA (10/350 µs), maximum discharge current (Imax) 80 kA, nominal discharge current 25 kA.
For single-phase network 1+1, (Uc) 275 V AC.
MOV technology with a potential-free contact for remote fault indication.
Width: 36 mm.
• Class I+II / Type 1+2 surge protective device in accordance with IEC/EN 61643-11.
• Three-pole SPD (3+0 circuit) for use in three-phase systems.
• Plug-in module (18 mm) allowing easy replacement without dismantling the entire device.
• Thermal disconnector ensures fast thermal response and safe disconnection.
• Lightning impulse current up to 12.5 kA (10/350 µs).
• Surge current up to 80 kA (8/20 µs).
• Protection against low voltage conditions.
• High short-circuit current up to 50 kA rms, suitable for use in most AC power supply systems.
• Fault indication due to degradation and optional remote signaling contact.
• Wide operating temperature range from −40°C to +85°C.
• Mounting on 35 mm DIN rail.
Electrical parameters
| Maximum continuous operating voltage Uc |
275 V AC |
| Nominal discharge current (8/20 μs) In |
25 kA |
| Maximum discharge current (8/20 μs) Imax |
80 kA |
| Protection level Up |
1,2 kV |
| Response time |
≤ 25 ns |
| Back-up protection |
≤ 315 A gL/gG |