Overview
The Allen-Bradley 1492-W4 is a single-circuit, IEC-compliant screw terminal block designed for secure, reliable conductor connections in industrial control panels and distribution systems. It is a DIN rail-mounted block built for organizing, connecting, and managing conductors safely in control panels, enclosures, and industrial systems. Rated at 30A/600V (UL/CSA) and 32A/800V (IEC), this terminal block combines durability and versatility, making it suitable for both control and power wiring.
Key Features
- Space-Saver Design: Compact feed-through configuration optimized for 4 mm (# 22 AWG – # 10 AWG) or 2.5 mm (# 22 AWG – # 12 AWG) conductor sizes.
- Multi-Standard Compliance: All Allen-Bradley IEC terminal blocks are IP2X finger-safe and meet recognized international IEC, UL, CSA and ATEX standards.
- Flexible AC/DC Operation: Designed for both AC and DC applications, built to meet various needs, whether in standard or specialized configurations.
- Wide Temperature Range: Crafted from durable plastic material, this terminal block withstands harsh conditions, featuring a housing temperature range of -40 to +195 °F (-40 to +90 °C), making it suitable for extreme environments.
Technical Specifications
- Current Rating (UL): 30 Amps
- Voltage Rating (UL): 600V AC/DC
- Current Rating (IEC): 32 Amps
- Voltage Rating (IEC): 800V AC/DC
- Wire Conductor Size: 4 mm² (22-10 AWG) or 2.5 mm² (22-12 AWG)
- Terminal Type: Screw Connection
- Configuration: Single-circuit, feed-through
- Mounting: 35 mm DIN Rail
- Dimensions: 6 x 45.3 x 35 mm (W x L x H)
- Operating Temperature: -40 to +90°C
- Color: Gray (standard)
- Certifications: IEC, UL, CSA, ATEX, CE, CCC
Typical Applications
The 1492-W4 is well-suited for motor control circuits, branch feeders, power distribution, control signal wiring, and PLC/automation system wiring. Its modularity enables easy reconfiguration and maintenance without specialized tools, making it indispensable in manufacturing, energy, HVAC, and transportation sectors.
Compatibility & Replacements
The 1492-W4 is part of Bulletin 1492, Rockwell Automation’s comprehensive IEC terminal block family. Related single-circuit space-saver blocks include the 1492-W3 (2.5 mm²) and 1492-W6 (6 mm²). The 1492-W4 is available in multiple colors (gray, red, blue, black, green, yellow, orange, brown, white) for circuit identification, all with identical electrical ratings. For compatibility questions or custom panel designs, consult Rockwell Automation documentation or contact your systems integrator.
