AST4603R

Overview

The Hoffman AST4603R is a Type 1 indoor splitter trough constructed from 14-gauge painted steel. It measures 48 inches in length, with dimensions of 11 inches in width and 6.5 inches in height. The unit is rated for 600 V AC and supports currents up to 175/600 A across three wires. It features a standard hinge, a single-point ground lug, and mounting holes on the back panel. The enclosure weighs 44 lb and includes various size knockouts on each side for conductor entry.

Feature Summary

• Splits feeder circuit conductors into multiple branch circuits
• Includes pre-installed terminal block and single-point ground lug
• Features hinged covers for access and back panel mounting holes

Applications

• Indoor power distribution
• Splitting feeder circuits into branch circuits
• Surface mounting in electrical panels

Procurement Notes

Verify that the specific order matches the 48-inch section requirement and 3-wire configuration. Confirm the NEMA 1/IP30 rating aligns with indoor environmental conditions. Ensure compatibility with existing busbar systems if integrating into larger assemblies. Check for included accessories such as the ground splitter bar if required by design specifications.

Selection Notes

Select this model for applications requiring a standardized 48-inch splitter trough with integrated grounding. The 14-gauge steel construction provides durability for indoor environments. Verify that the 600 A current rating meets the load requirements of the connected feeder circuits. Consider the inclusion of the pre-installed terminal block to simplify installation processes.

Part Context

This component belongs to the nVent Hoffman splitter trough series designed for indoor electrical distribution. It serves as a transition point between main feeders and branch circuits. The Type 1 enclosure protects against falling objects and limited ingress of liquid. It is part of a modular system allowing for scalable power distribution setups.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation.