Description
The OS30FAJ12 is a heavy-duty 3-pole fusible disconnect switch designed for safe power isolation and circuit protection in industrial electrical systems. Part of ABB’s PowerLine switch-fuse series, this device combines a manual disconnect switch with Class J fuse protection, making it ideal for motor circuits, control panels, and distribution equipment.
Key Features
- 30 Amp Current Rating – Suitable for light to medium-duty industrial circuits
- 3-Pole Configuration – Designed for three-phase electrical systems
- 600 V AC Voltage Rating – Compatible with common industrial power systems
- Class J Fuse Compatible – Provides high interrupting capacity and enhanced short-circuit protection
- Front-Operated Design – Allows operation through a panel door with external handle
- Quick-Make / Quick-Break Mechanism – Improves switching reliability and reduces arcing
- Padlockable OFF Position – Supports lockout/tagout safety procedures
- Finger-Safe Construction – Terminal shrouds help prevent accidental contact with live parts






