Westinghouse IQDP-4000 4D13110G01 Relay Module

The Cutler Hammer Westinghouse IQDP-4000 Relay Module (MPN IQDP-4000 / 4D13110G01) provides protective relay control and monitoring for industrial power distribution and electrical protection systems. Designed for panel or switchgear mounting, it is commonly installed in switchgear assemblies, control panels, and power management systems requiring reliable relay operation for circuit protection and system monitoring. This module is used for replacement servicing, electrical system maintenance, and power control upgrades in industrial environments. Common replacements include the Cutler Hammer IQDP-4100 Relay Module, Siemens IQDP-4100 Protective Relay, and GE Multilin 239 Motor Protection Relay.