The ABB OT switch disconnector (isolator) is a manually operated load break switch suitable for isolation of low-voltage circuits. Designed for safe switching under load, it is widely used in industrial control panels, main distribution boards, and motor disconnect applications.
Technical Specifications
| Rated Current | 45 A |
| Poles | 4P |
| Manufacturer | ABB |
| SKU | ABBWSD445CL |
| Series | OT |
Key Features
- Full visible isolation of the circuit (positive contact indication)
- Padlockable handle in OFF position for safe maintenance
- Front-mounted auxiliary contacts available
- DIN rail or back-plate mounting
- Complies with IEC 60947-3
- Mechanical endurance up to 100,000 operations
Typical Applications
Main switchboards, motor disconnect, maintenance isolation, bypass switch applications
Certifications & Compliance
IEC 60898-1, IEC 60947-2, CE, RoHS, RCM (Australia/NZ). Suitable for AS/NZS 3000 wiring rules installations.



