UR-SHB | General Electric | Power Supply Module

Description

The GE UR SHB Power Supply Module is a second‑generation high‑voltage supply for Multilin UR protection relays. It provides regulated DC output, improved thermal performance, and robust electrical isolation for demanding industrial environments.

Specifications

• Manufacturer: GE Multilin

• Model: UR SHB

• Module Type: High‑voltage power supply module

• Input Voltage: 125–250 VDC / 100–240 VAC

• Output Power: 45 W regulated DC

• Isolation Rating: 2300 VAC isolation

• Thermal Performance: 28% improved efficiency; reduced heat generation

• Over‑temperature Protection: Automatic shutdown at 105°C

• Diagnostics: Built‑in health and fault monitoring

• Compatibility: All GE UR relays (F35, L60, C30, B30, T60, etc.)

• Environmental Protection: Harsh‑environment conformal coating

• Installation: Plug‑in UR chassis module

Features

• High‑voltage input capability: Accepts both AC and DC high‑voltage sources

• Enhanced output power: 45 W output exceeds earlier UR‑RH generation

• Improved thermal efficiency: Lower heat generation for longer module life

• Advanced isolation: 2300 VAC isolation improves safety and noise immunity

• Integrated diagnostics: Real‑time fault and health reporting

• UR relay compatibility: Fully supports all UR protection and control platforms

• Hot‑swappable design: Allows replacement without shutting down the relay

FAQ – Common Questions

• What does UR‑SHB do: It converts high‑voltage AC/DC input into regulated DC power for UR relays.

• How is UR‑SHB different from UR‑RH: UR‑SHB provides 45 W output, improved efficiency, and higher isolation.

• Does it support diagnostics: Yes, it includes onboard health and fault monitoring.

• Is it suitable for harsh environments: Yes, conformal coating and thermal protection ensure reliability.

• Is it hot‑swappable: Yes, it can be replaced without removing the relay from service.