Overview
The Allen-Bradley 194R-NJ030P3 Series B is an open-style, fused disconnect switch engineered for reliable electrical isolation in industrial applications. Rated for 600 Volts AC and 250 Volts DC, this switch is designed for both single and three-phase power circuits. The 194R-NJ030P3 belongs to the Allen-Bradley 194R series of rotary disconnect switches, engineered for load isolation and short-circuit protection when used with compatible fuses. Its open construction facilitates easy mounting and maintenance on control panels and enclosures.
Key Features
- Supports 30 Amps and features 4 poles, compatible with both single and three-phase connections
- Supports UL Class CC & J and CSA HRCI-J fuses for optimal circuit protection
- Includes an extension shaft for flexible door-mounted installation
- Operates within an ambient temperature range from -2 to 55 degrees Celsius, and up to 2000 meters altitude, adhering to IEC 60947-1 standards
- Ensures clear visual and mechanical indication of switch position, improving operator safety
- DIN Rail and flange mounting options, touch-safe design with electrically isolated phases, and NFPA 79 compliance
Technical Specifications
The 194R-NJ030P3 delivers robust performance across demanding industrial environments with the following verified specifications:
- Current Rating: 30 Amps
- Voltage Rating: 600 volts AC and 250 volts DC
- Poles: 4 poles
- Switch Style: Open-style rotary with extension shaft
- Fuse Compatibility: UL Class CC & J and CSA HRCI-J
- Operating Temperature: -2 to 55 degrees Celsius
- Maximum Altitude: 2000 meters
- Mounting: DIN Rail and flange mounting options
- Standards Compliance: IEC 60947-1, NFPA 79
- Series: Series B
Typical Applications
The disconnect switch is typically used in industrial control panels, motor circuits, and power distribution equipment. Common applications include:
- Motor control center isolation and protection
- Service entrance and branch circuit disconnection
- Machinery and equipment panel integration
- Industrial control enclosures and distribution assemblies
- Maintenance and troubleshooting power isolation
Compatibility & Replacements
Compatible With
- Motor control centers and panels rated for 30A service
- Single-phase and three-phase power distribution systems
- Industrial control enclosures and machinery panels
- DIN rail and flange-mount control system architectures
- UL Class CC, Class J, and CSA HRCI-J fused protection systems
Replaces / Drop-In Replacement For
The Allen-Bradley 194R-NJ030P3 Series B is a rotary fused disconnect switch. For specific model replacements or cross-compatibility questions, verify with your system integrator or contact technical support with your existing part number and application details.
Works With
- UL Class CC and Class J fuse cartridges
- CSA HRCI-J fuse types
- Industrial control and power distribution systems
- DIN rail and flange mounting infrastructure
- IEC 60947-1 and NFPA 79 compliant electrical installations
