ON300 SURGE PROTECTOR T1+T2 B+C 3P+N 4M 12.5/60KA + ALARM CONTACT TT, TNC, TNS
The ON 300 surge protectors are a reliable solution for protecting against the effects of surges in power supply networks.
Application
The ON 300 surge protector is recommended for installation in main distribution boards. It allows for the protection of power supply installations 230/400 V~ against the effects of external and internal surges.
Technical Data
- Type: 1+2 (formerly class B+C)
- Iimp = 12.5 kA/phase (impulse 10/350 µs)
- Imax = 60 kA/phase (impulse 8/20 µs)
- Maximum voltage (Uc): 320 V~
- Protection level (Up): 1.5 kV
- For networks: TT, TNC, TNS
- Applied technology: Varistor + Spark Gap
- Design: 3P+N
- Recommended overcurrent protection: S 300 TX³/DX³ C 63A
- Width in modules 17.5 mm: 4
- Replaceable cartridges with status indicator:
- green indicator: cartridge operational
- orange indicator: cartridge to be replaced
- Equipped with an alarm contact
