Overview
The Allen-Bradley 1492-W4 is a single-circuit, feed-through terminal block engineered for control and power distribution in industrial automation and panel assembly. Rated 30A/600V UL and 32A/800V IEC, this space-saving design allows engineers to maximize circuit density in compact enclosures without sacrificing reliability or ease of maintenance.
Key Features
- Single-circuit design rated 30A/600V (UL/CSA) and 32A/800V (IEC)
- 4 mm (#22 AWG – #10 AWG) or 2.5 mm (#22 AWG – #12 AWG) conductor capacity
- IP2X finger-safe design meeting IEC, UL, CSA and ATEX standards
- Operating temperature range -40 to +90°C (-40 to +195°F)
- Suitable for both AC and DC applications
- Screw connection provides modularity and reconfiguration without specialized tools
Technical Specifications
- Current Rating: 30 amps at 600V (UL/CSA) and 32 amps at 800V (IEC)
- Voltage: 600V AC/DC (UL/CSA) and 800V AC/DC (IEC)
- Wire Size: 4 mm (#22 AWG – #10 AWG) or 2.5 mm (#22 AWG – #12 AWG)
- Wire Strip Length: 0.35 in. (9 mm)
- Dimensions: 6 x 45.3 x 35mm (0.24 x 1.78 x 1.38 in)
- Color: Gray (standard), available in multiple colors
- Mounting: DIN rail mountable
- Connection Type: Screw
- Certifications: IEC, UL, CSA and ATEX
- Packaging: 50 units per package
Typical Applications
The Allen-Bradley 1492-W4 serves industries including manufacturing, energy, transportation, and facilities management. Common applications include:
- Control panel wiring and signal distribution
- Motor control circuits and branch feeders
- Power distribution in compact enclosures
- PLC and drive input/output termination
- Machine automation and industrial process control
Compatibility & Replacements
Compatible With
- Rockwell Automation 1492 series DIN rail systems
- 35 mm symmetrical DIN mounting rails
- Allen-Bradley control panels and enclosures
- IEC-compliant industrial automation systems
- Motor control centers and power distribution equipment
Replaces / Drop-In Replacement For
The 1492-W4 is the standard gray single-circuit 4mm model. Equivalent models in the family include colored variants (1492-W4-RE, 1492-W4-B, 1492-W4-BL, 1492-W4-G, 1492-W4-Y, 1492-W4-OR, 1492-W4-BR, 1492-W4-W). Verify compatibility with your system integrator before ordering replacement blocks.
Works With
- Rockwell Automation Studio 5000 and ControlLogix systems
- Siemens and third-party PLC platforms via IEC standardization
- EtherNet/IP and PROFINET networked control architectures
- Motor drives and variable frequency drives (VFDs)
- Industrial relay and contactor circuits
















