Allen-Bradley 1492-H4 | Neon Fuse Indicator Terminal Block

Overview

The Allen-Bradley 1492-H4 is a fusible terminal block featuring a neon blown fuse indicator for enhanced visibility of circuit faults. It belongs to the 1492 Series and is designed as a 1-pole, finger-safe terminal block with robust electrical performance.

Technical Specifications

• Catalog Number: 1492-H4

• Poles: 1

• Voltage Rating: 100–300 VAC (RU, CSA, IEC)

• Current Rating: 15 Amps (RU, CSA, IEC)

• Wire Size Range: #30–#12 AWG (RU, CSA) / 0.5–4 sq-mm (IEC)

• Connection Type: Screw terminal

• Color: Black

• Base Block Type: Single circuit fuse block

• Dimensions: 1.85 in (L) × 3.20 in (W) × 0.36 in (H)

• Wire Strip Length: 0.38 in

• Tightening Torque: 7.1 lb-in

• Temperature Rating: -40 to +90 °C

• Leakage Current: 2 mA at 300 V

• Mounting: DIN rail

Key Features

The 1492-H4 integrates a neon fuse indicator that allows operators to quickly identify blown fuses, reducing troubleshooting time in control panels. Its finger-safe design ensures safety during installation and maintenance.

The block’s screw terminal connections provide secure and stable wiring, while its compact form factor saves valuable DIN rail space. Designed for industrial-grade performance, the Allen-Bradley 1492-H4 maintains reliable operation across a wide -40 to +90 °C temperature range.

Industrial Applications

The Allen-Bradley 1492-H4 is widely used in power distribution systems, automation panels, and industrial control cabinets. With its 15A current rating and 300 VAC capacity, it delivers dependable circuit protection for demanding applications while ensuring quick fault detection through the integrated neon indicator.