OVERVIEW

Official designation: Allen-Bradley 1492-H5 (Bulletin 1492-H, Single Circuit Fuse Block)

Role/Application: Single-pole, finger-safe, screw connection terminal block with a fuse holder, designed for overcurrent protection and circuit status indication via a red LED on a DIN rail in control systems.

KEY SPECS SUMMARY

Power: 10 to 57 V AC/DC

Interfaces / Ports: Screw connection, 1-pole

Indicators: Red LED blown fuse indicator

Operating Temp: Minus 40 to 90 degrees C

Platform / Compatibility: 35 mm DIN rail mount

Limit: 15 A maximum current

Lifecycle: Active

FREQUENTLY ASKED QUESTIONS

Technical Specifications:

Q: What are the wire size range and recommended tightening torque for the 1492-H5 terminals?

A: The wire range is 30 to 12 AWG (0.05 to 4 mm squared), with a torque of 0.3 to 0.8 Newton meters.

Wiring & Installation:

Q: What are the dimensions and required fuse size for the 1492-H5 terminal block?

A: Dimensions are 9.1 mm wide, 81.3 mm high, 47 mm deep, and it uses a 1/4 x 1-1/4 inch fuse, not supplied.

Troubleshooting & Compatibility:

Q: What is the significance of the red LED indicator on the 1492-H5 terminal block?

A: The red LED illuminates when the inserted fuse has blown, providing a clear visual indication of a circuit fault.

Replacement & Upgrades:

Q: Is there an equivalent 1492-H series fuse block without a visual indicator for fault detection?

A: Yes, the 1492-H6 is the non-indicating version of the single circuit fuse terminal block.