Bussmann Eaton Compact Class J Fused Disconnect Switch
The Bussmann (Eaton) RDF30J-3-COMP is a compact, dual-rated Class J fused disconnect switch listed under both UL 98 (fusible switches) and UL 489 (circuit breakers). Rated at 30A, 3-pole, with a 100kA short-circuit current rating (SCCR), this switch provides reliable branch circuit overcurrent protection and safe isolation of electrical loads in commercial and industrial applications.
Key Specifications
- Type: Fused Disconnect Switch
- Fuse Class: Class J
- Current Rating: 30 A
- Poles: 3
- SCCR: 100kA
- Standards: UL 98 and UL 489
- Size: Compact
- Model: RDF30J-3-COMP
Features
- Dual-rated UL 98 and UL 489 for versatile application
- 100kA SCCR for high fault current environments
- Class J fuse type for current-limiting protection
- Compact design for space-constrained installations
- 3-pole configuration for three-phase circuits
Applications
Used in industrial machinery, HVAC equipment, motor control centers, and commercial electrical distribution systems requiring a compact, high-interrupting-capacity fused disconnect. Suitable for electricians and industrial contractors installing NEC-compliant disconnecting means with overcurrent protection.


