ABB
ABB 4P Pole DIN Rail Isolator Switch - 25A Maximum Current
Part No.
OT25F4C 1SCA104877R1001
Procurement Intelligence
The OT25F4C is part of ABB's OT series DIN rail isolator switches, designed for safe isolation and manual switching of three-phase circuits up to 25A. It mounts directly on standard DIN rails in electrical distribution boards and control panels. Critical verification: confirm that the 4NO contact configuration and double-throw mechanism align with your circuit isolation and switching requirements.
Three-phase circuit isolation switching
Before ordering — verify:
| ☐ | DIN rail mounting compatibility |
| ☐ | 25A thermal capacity verification |
| ☐ | Auxiliary contact integration |