GE Multilin UR6UH (UR‑Series Digital Input/Output Module)

Description

Technical Specifications

Electrical Specifications

• Product Type: Digital I/O Expansion Module
• Series: GE Multilin UR Series Universal Relays
• I/O Configuration:
  • Digital Inputs (DI): 4 channels, optically isolated, dry contact compatible
  • Digital Outputs (DO): 6 channels, Form‑A (Single Pole‑Single Throw, SPST, Normally Open, non‑monitoring) relay contacts
• Input Voltage: 24 VDC (nominal, supplied by UR relay chassis)
• Output Contact Rating: High‑capacity industrial switching, rated for 15 A at 500 VAC / 125 VDC (resistive load)
• Isolation Voltage: 2,500 VDC full galvanic isolation between field I/O and relay logic
• Response Time:
  • Input detection: < 1 ms
  • Output actuation: ≤ 12 ms
  • Output release: ≤ 6 ms
• Power Consumption: Maximum 5 W at 24–52 VDC input
• Software Compatibility: Fully integrated with GE EnerVista UR software suite
• Certifications: Complies with IEC, ANSI, IEEE, and UL/cUL industrial standards

Physical & Environmental Specifications

• Dimensions: 180 mm (L) × 150 mm (W) × 40 mm (H) (7.1” × 5.9” × 1.6”)
• Weight: 1.15–1.36 kg (2.5–3.0 lbs)
• Mounting: Plug‑in chassis mounting for UR‑series relay racks
• Operating Temperature: -40°C to +85°C (-40°F to +185°F)
• Storage Temperature: -55°C to +90°C (-67°F to +194°F)
• Relative Humidity: 5–95% RH (non‑condensing)
• Ingress Protection: IP20 (enclosed chassis installation)
• Pollution Degree: 3 (industrial power environments)
• Vibration Resistance: 5g RMS (10–500 Hz)
• Shock Resistance: 15g (20 ms half‑sine wave)

Key Features

• 6 High‑Current Form‑A Outputs: Delivers 6 non‑monitoring, normally‑open relay contacts with 15 A / 500 VAC capacity, ideal for direct switching of heavy‑duty field loads.
• 4 Optically Isolated Inputs: Provides 4 isolated digital input channels for reliable status monitoring of switches, breakers, and auxiliary contacts.
• High‑Voltage Switching Capability: Engineered to handle up to 500 VAC, making it suitable for high‑voltage control circuits in power systems.
• Fast Switching Performance: Sub‑12 ms actuation and 6 ms release times ensure rapid response for critical control operations.
• Full Galvanic Isolation: Protects the UR relay core from field‑side transients, ground loops, and electrical noise.
• Industrial‑Grade Durability: Rugged construction with high‑temperature alloy contacts ensures long service life under arduous conditions.
• Seamless UR Series Integration: Direct plug‑in compatibility with all GE Multilin UR‑series universal relays for easy system expansion.
• Hot‑Swappable Design: Supports module replacement without full system shutdown, minimizing operational downtime.
• LED Status Indicators: Front‑panel LEDs for input/output channel status and module health for quick field diagnostics.
• EnerVista Software Support: Full configuration, monitoring, and diagnostics via GE’s EnerVista UR platform for simplified setup and maintenance.
• Wide Environmental Tolerance: Operates reliably across an extreme temperature range for deployment in harsh industrial and utility settings.

Application Scenarios

• Power Substation Automation: Direct control of high‑voltage circuit breakers, disconnect switches, and capacitor bank switches in transmission and distribution substations.
• Transformer Protection & Control: Actuation of heavy‑duty trip coils, tap changer controls, and cooling system contactors for power transformers.
• Generator Control Systems: Control of generator breaker mechanisms, excitation contactors, and safety shutdown relays in power plants.
• Industrial Motor Control: Direct switching of large motor starters, variable frequency drive (VFD) contactors, and safety relays in manufacturing facilities.
• Oil & Gas Facilities: Control of high‑power valve actuators, pump motors, and emergency shutdown (ESD) systems in drilling, refining, and pipeline operations.
• Mining Operations: Switching of conveyor system drives, ventilation fan contactors, and underground power distribution equipment.
• Water & Wastewater Treatment: Control of large pump stations, valve assemblies, and aeration system contactors.
• Marine & Offshore Platforms: High‑current switching for electrical systems, safety alarms, and heavy equipment on marine vessels and offshore installations.
• Renewable Energy Systems: Control of grid interconnection breakers, inverter contactors, and safety shutdowns for wind and solar farms.
• Heavy Industry & Manufacturing: Direct control of furnaces, crushers, and other high‑power industrial machinery.