GE Multilin URRHH Power Supply Module

Description

Technical Specifications

Electrical Specifications

• Product Type: Power Supply Module (Horizontal Mount)
• Series: GE Multilin UR Series Universal Relays
• Input Voltage Ranges:
  • Low Range (LO): 24–48 VDC (nominal, DC only)
  • High Range (HI): 125–250 VDC / 125–250 VAC (nominal, AC/DC compatible)
• Output Voltage: 24 VDC (regulated)
• Output Power: 35 W (typical)
• Output Current: 1.46 A (maximum)
• Efficiency: >90% (typical)
• Internal Fuse Rating: 4 A / 250 V (overcurrent protection)
• Isolation Voltage: 2500 VDC (input‑to‑output galvanic isolation)
• Frequency Compatibility: 47–63 Hz (for AC input)
• Redundancy Support: Optional redundant power configuration (dual URRHH modules)
• Power Source: Backplane‑mounted, draws power from external field supply
• Software Integration: Fully monitored via GE EnerVista UR software suite

Physical & Environmental Specifications

• Dimensions: 152 mm × 178 mm × 38 mm (6” × 7” × 1.5”)
• Weight: 0.62 kg (1.37 lb)
• Mounting: Plug‑in horizontal chassis mounting for UR‑series relay racks
• Operating Temperature: -40°C to +70°C (-40°F to +158°F)
• Storage Temperature: -55°C to +85°C (-67°F to +185°F)
• Relative Humidity: 0–95% RH (non‑condensing)
• Ingress Protection: IP20 (enclosed chassis installation)
• Pollution Degree: 3 (heavy industrial environment)
• Vibration Resistance: 5g RMS (10–500 Hz)
• Shock Resistance: 15g (20 ms half‑sine wave)
• Certifications: IEC, ANSI, IEEE, UL/cUL, CE, CSA compliant

Key Features

• Dual Voltage Input Flexibility: Supports both low‑voltage (24–48 VDC) and high‑voltage (125–250 VAC/DC) inputs for universal field compatibility.
• High‑Efficiency Power Conversion: >90% efficiency minimizes energy loss and heat generation.
• Full Galvanic Isolation: 2500 VDC isolation protects relay logic from field transients and ground loops.
• Built‑in Self‑Diagnostics: Continuous major/minor self‑testing monitors module health and detects faults.
• Front‑Panel LED Indicators: Visual status feedback (continuous on, cycling, off) for power health and fault alerts.
• Overcurrent Protection: Internal 4A fuse safeguards module and connected components from short circuits.
• Redundancy Capability: Optional dual‑module redundancy with automatic failover for zero downtime.
• Hot‑Swappable Design: Module replacement without system shutdown to reduce maintenance time.
• Industrial‑Grade Ruggedness: Operates reliably in extreme temperatures and high‑vibration environments.
• Seamless UR Series Integration: Direct plug‑and‑play compatibility with all UR‑series relay chassis.
• EnerVista Monitoring: Real‑time power status, diagnostics, and alarm logging via GE’s software platform.

Application Scenarios

• Utility Transmission & Distribution Substations: Primary/backup power for feeder, transformer, and busbar protection relays.
• Power Generation Plants: Reliable power supply for generator protection, excitation control, and auxiliary systems.
• Industrial Power Distribution: Main incoming, switchgear, and motor control center protection relay power.
• Oil & Gas Installations: On‑site power for drilling rigs, pumping stations, and processing plant protection systems.
• Mining Operations: Surface/underground power distribution and equipment protection relay power.
• Water & Wastewater Plants: Pump station and treatment facility automation and protection power.
• Data Centers: Critical power distribution, UPS, and generator control system power.
• Marine & Offshore: Vessel and platform electrical system protection and monitoring power.
• Renewable Energy Systems: Wind turbine and solar farm grid interconnection protection power.
• Heavy Manufacturing: Steel, cement, and chemical plant high‑power equipment protection power.
• Railway & Transportation: Traction power systems and substation automation relay power.