Bussmann RDF600J-3 Fused Disconnect Switch
The Bussmann (Eaton) RDF600J-3 is a heavy-duty fused disconnect switch designed for demanding industrial power distribution applications. Rated at 600 amperes and 600 volts with a 200kA interrupt rating, this three-pole switch provides reliable circuit isolation and overcurrent protection using Class J fuses.
Key Specifications
- Current Rating: 600A
- Interrupt Rating: 200kA
- Voltage Rating: 600V
- Fuse Class: J
- Poles: 3
- Manufacturer: Bussmann (Eaton)
- Model: RDF600J-3
Features
- Three-pole design for three-phase power systems
- Compatible with Class J fuses for fast-acting, current-limiting overcurrent protection
- 200kA short-circuit current rating (SCCR) for high fault current environments
- Designed for industrial motor circuits, distribution panels, and service entrance applications
Applications
This fused disconnect switch is well suited for industrial facilities, commercial buildings, and manufacturing environments requiring a reliable means of disconnection combined with branch circuit overcurrent protection. It is commonly used on motor feeders, main disconnects, and equipment isolation applications where Class J fuse protection is specified.



