ABB
ABB 2P Pole Isolator Switch - 50A Maximum Current
Part No.
2CSM277982R1801 E 91N/50
Procurement Intelligence
The 2CSM277982R1801 is part of ABB's 2CSM isolator switch series, a load-break disconnect device rated 50A/690V for manual circuit isolation in industrial control panels and motor circuits. Critical verification: confirm voltage compatibility with your system and validate that the 50A rating matches upstream protection device coordination.
Industrial motor circuit isolation
Before ordering — verify:
| ☐ | Voltage compatibility 690V ac |
| ☐ | Current rating 50A verification |
| ☐ | Panel mounting space 70×50×90mm |