Product Overview

The General Electric UR6NH is a digital input and output expansion module developed for the GE Multilin UR Series protection and control relays. This module extends relay functionality by providing additional discrete inputs and relay outputs, enabling reliable interface between the protection system and external field devices. It is designed for seamless integration into UR relay platforms, supporting fast signal exchange and dependable operation in power system environments.

Built for modular relay architectures, the UR6NH allows system engineers to customize I/O capacity without redesigning the control panel. Its robust construction and standardized form factor make it suitable for continuous operation in electrically demanding substations and industrial power facilities.

Key Technical Characteristics

• Module Type: Digital Input and Output Module

• Compatible Platform: GE Multilin UR Series Relays

• Digital Inputs: 8 channels

• Digital Outputs: 4 Form-A relay outputs

• Output Response Time: Less than 4 ms

• Electrical Interface: Direct relay backplane connection

• System Compatibility: PLC and protection relay applications

• Net Weight: Approx. 0.66 kg

• Dimensions: 16.3 × 4.2 × 21 cm

• Manufacturing Origin: USA

Industrial Applications

The UR6NH is commonly used in electrical substations, power generation facilities, and industrial plants where reliable digital signaling is required for protection, automation, and control. Typical applications include alarm signaling, breaker status monitoring, interlocking logic, and auxiliary equipment control such as cooling fans and valves.

When installed in UR Series relays, the module enhances system flexibility and reduces wiring complexity, making it well suited for both new installations and retrofit projects in power system protection schemes.