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GE Multilin URRLH UR-PLH Universal Relay Rack Mount Hardware

Configured for secure rack installation and mechanical support in GE Multilin Universal Relay (UR) systems, the GE Multilin URRLH (URRLH Universal Relay Rack Mount Hardware) provides direct physical mounting execution for protective relay chassis integration.

Hardware Specifications

Parameter	Specification
Model	URRLH
Brand	GE Multilin
Weight	2 lb
Dimensions	6.5 in L x 6.5 in W x 1.75 in H
Operating Temp	-40 deg C to +60 deg C
Power Consumption	No electrical power consumption; passive mechanical hardware
Product Series	Universal Relay (UR) Family
Mounting Standard	19-inch EIA-310-D rack compatible
Material	Heavy-duty cold-rolled steel with protective finish
Chassis Compatibility	GE Multilin UR series devices including L90, T60, C60, G60, and B30
Cooling Method	Passive convective ventilation support
Software Compatibility	EnerVista UR

Profinet / EtherNet-IP Deterministic Networks and Industrial Rack Integration

The URRLH rack mounting hardware provides mechanical integration for GE Multilin Universal Relay assemblies installed in control panels and relay cabinets. The component maintains chassis alignment within standardized 19-inch rack structures and supports front access for relay module servicing.

The mounting structure uses heavy-duty cold-rolled steel construction for installation environments subject to vibration and mechanical loading. Ventilation paths are arranged to support passive airflow around populated UR chassis configurations.

The rack hardware does not provide communication processing, firmware functions, or electrical I/O operation. System communication performance remains dependent on the installed Universal Relay device and configured network interfaces.

Frequently Asked Questions

Q: Does the URRLH require an external power supply or electrical connection?
A: No. The URRLH is a passive mechanical mounting component and does not consume electrical power.

Q: Can the URRLH be used with GE Multilin Universal Relay family devices?
A: Yes. The hardware is designed for GE Multilin Universal Relay family rack installation, including compatible UR series protective relay platforms.

Q: Does the URRLH support hot-swap operation of relay modules?
A: The rack hardware provides physical access for module servicing. Hot-swap capability depends on the installed Universal Relay chassis design and module specifications.

Field Installation Guidelines

• Install the URRLH inside a compatible 19-inch EIA-310-D rack or relay panel structure.
• Verify mechanical alignment before securing the mounting hardware and relay chassis.
• Maintain adequate clearance around ventilation areas to avoid restricted passive airflow.
• Route control and communication wiring separately from high-current conductors to reduce electromagnetic interference.
• Apply appropriate cabinet grounding and bonding practices according to site electrical standards.
• Inspect mounting points after installation to confirm that mechanical fasteners remain secure under vibration conditions.

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