Overview
The Allen-Bradley 1492 Style H is a single-circuit screw-type terminal block designed for reliable wire connection in industrial control and automation systems. Part of Rockwell Automation’s Bulletin 1492 terminal block family, the Style H series delivers proven performance in panel wiring, power distribution, and equipment interconnection.
Key Features
- Screw connection mechanism for secure wire termination and field serviceability
- Single-circuit design for straightforward panel layout and troubleshooting
- Multi-wire capability accommodates standard conductor sizes
- Color-coded variants simplify circuit identification in complex panels
- UL, CSA, and IEC certifications for global compliance
- Compact footprint optimizes DIN rail and panel mounting space
Technical Specifications
- Series: Allen-Bradley Bulletin 1492
- Style: Style H (single-circuit screw terminal)
- Terminal Type: Screw connection
- Circuit Configuration: Single-circuit feed-through
- Wire Size Range: Accommodates standard conductor sizes (12 AWG typical)
- Voltage Rating: 100–300V AC/DC (varies by variant)
- Current Rating: Up to 15–20A (variant-dependent)
- Installation: DIN rail or panel-mount screw assembly
- Certifications: UL, CSA, IEC, CE
- Temperature Range: -40°C to +105°C operating
- Material: Polymeric body with metal screw termination
- Color Options: Black, red, blue, gray (variant-specific)
- Packaging: Typically supplied in strips or individual units
Typical Applications
- PLC and controller panel wiring interconnections
- Power distribution in motor control centers
- Signal and sensor connections in manufacturing automation
- Industrial machinery enclosures and switchgear
- Building automation and HVAC control systems
- Utility and industrial electrical installations
Compatibility & Replacements
Compatible With
- Rockwell Automation ControlLogix and CompactLogix systems
- Standard DIN rail mounting systems (35mm profile)
- IEC-standard control enclosures and panels
- Allen-Bradley terminal block accessories (covers, jumpers, markers)
- Global industrial automation environments (UL/CSA/IEC rated)
Replaces / Drop-In Replacement For
Verify compatibility with your system integrator before ordering. The 1492 Style H family is a direct replacement for legacy Bulletin 1492-H standard feed-through models where screw-type connection and single-circuit design are required.
Works With
- Standard ferrule-terminated wire (insulated and uninsulated)
- Industrial-grade automation control software (Studio 5000, RSLogix)
- IEC 60947-7-2 compliant copper conductor terminals
- Allen-Bradley terminal block end covers and partition plates
- Modular panel wiring and enclosure assembly workflows
