
Product Description
Allen-Bradley 1492-H4 Fuse Terminal Block - Reliable Circuit Protection for Industrial Control Systems
The Allen-Bradley 1492-H4 fuse terminal block delivers dependable overcurrent protection in a compact 4mm² design. Engineered for industrial automation environments, this DIN rail-mountable component combines fusing capability with secure wire termination, streamlining panel assembly while maintaining safety compliance.
Technical Specifications
- Wire Capacity: 4mm² (12 AWG)
- Mounting: 35mm DIN rail (EN 60715)
- Fuse Type: 5x20mm or 5x25mm cartridge fuses
- Voltage Rating: 600V AC/DC
- Current Rating: Up to 10A (fuse dependent)
- Connection Method: Screw clamp termination
- Operating Temperature: -40°C to +100°C
- Certifications: UL, CSA, CE compliant
Application Scenarios
This fuse terminal block excels in control panel construction where individual circuit protection is essential. Common deployments include motor control centers, PLC I/O wiring, sensor circuits, and instrumentation loops. The integrated fuse holder eliminates the need for separate fuse blocks, reducing panel footprint and installation time by up to 30%.
Why Choose the 1492-H4?
Space-Efficient Design: Combines fusing and termination in a single 6.2mm-wide housing, maximizing panel density without compromising accessibility.
Tool-Free Fuse Replacement: Finger-safe fuse extraction mechanism allows maintenance without screwdrivers, reducing downtime during troubleshooting.
Universal Compatibility: Works seamlessly with Allen-Bradley 1492 series accessories including end barriers, jumpers, and identification markers for complete system integration.
Common Questions
Q: Can I use this with solid and stranded wire?
A: Yes, the screw clamp design accommodates both solid and stranded conductors from 24-12 AWG (0.2-4mm²).
Q: What fuse types are compatible?
A: Standard 5x20mm and 5x25mm glass or ceramic cartridge fuses. We recommend time-delay fuses for inductive loads.
Q: How many blocks fit per meter of DIN rail?
A: Approximately 161 blocks per meter, though practical installations typically allow 140-150 with spacing for wire routing.
Q: Is a test point available?
A: Yes, the block features an integrated test point accessible with standard 4mm test probes for voltage verification without disconnecting wiring.
Warranty & Support
Every 1492-H4 terminal block includes a comprehensive 12-month manufacturer warranty covering defects in materials and workmanship. Our technical support team provides application assistance and replacement coordination throughout the product lifecycle.
Related Products
| Product | Description | Link |
|---|---|---|
| 1492-H5 | Fuse Terminal Block 4mm² (Alternative Model) | View Product |
| 1492-H | Terminal Block Fuse Holder | View Product |
| 1492-IFM40F-F24AD-4 | Digital Module with Fixed Terminal Block | View Product |
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