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H1
UR9EH GE Multilin UR Series High Density Digital I/O Module
The UR9EH is a single-slot plug-in high-density digital input/output module for GE Multilin UR family universal protection relays. It provides a large quantity of isolated binary status inputs and relay outputs for complex protection interlocking, breaker control, alarm monitoring and sequence of event recording. This module communicates with UR main CPU via internal Tri-Bus backplane. It is designed for substation environments with high EMC and surge withstand capability. The high channel density reduces the number of required slots in the relay chassis for projects requiring extensive binary signal wiring. It is auto-recognized by UR relay firmware for simple drop-in replacement and retrofit. We supply surplus original and fully tested refurbished UR9EH modules with worldwide shipping and pre-shipment functional testing.
H2: Key Features
H3: Core Advantages
- Single-slot pluggable high-density digital I/O module for GE Multilin UR relay chassis
- Large number of isolated digital inputs and relay outputs for complex interlock & control logic
- High dielectric isolation and robust EMC performance for harsh substation environments
- Internal Tri-Bus backplane communication to UR main CPU processor
- Auto-detected by UR firmware, convenient field replacement and retrofit
- Supports Form A / Form C relay contact outputs for trip, close and alarm circuits
- High-resolution timestamping for sequence of event (SOE) fault recording
- Compliant with IEEE C37.90 and IEC 60255 protection relay standards
H2: Technical Specifications
- Model: UR9EH
- Manufacturer: GE Multilin / GE Vernova
- Product Type: High Density Digital Input / Output Module
- Compatibility: GE Multilin UR series universal relay chassis (C60, G60, L90, B90, T60 etc.)
- Input Type: Isolated DC binary inputs (125V / 250V DC typical)
- Output Type: Relay contact outputs (Form A / Form C)
- Time stamping: High precision SOE event capture
- Isolation: 2kV AC dielectric withstand
- Operating Temperature: -40°C ~ +85°C
- Storage Temperature: -40°C ~ +85°C
- Humidity: 5%–95%, non-condensing
- Form Factor: Single slot plug-in module for UR chassis
H2: Applications
UR9EH high-density digital I/O modules are widely deployed in power protection and automation projects:
- Complex substation interlock logic and bay control
- Multi-breaker status monitoring and trip/close control
- Generator and transformer protection alarm circuits
- Busbar protection auxiliary binary signal collection
- Substation automation sequence of event recording
H2: Product Condition & Supply
We provide surplus original and fully tested refurbished UR9EH units. Every module undergoes complete functional inspection before ESD anti-static packing.
- Stock status: Please inquire for real-time stock availability
- Pre-shipment: Full function testing, input and contact output verification
- Packaging: Anti-static ESD packaging
- Shipping: DHL / FedEx / TNT global delivery
H2: FAQ
Q: What is UR9EH?
A: UR9EH is GE Multilin UR series high-density digital I/O module. It provides abundant isolated binary inputs and relay outputs for complex interlock, breaker control and SOE event recording for UR universal relays.
Q: What is the difference between UR9EH, UR9AH, UR6UH and UR8CH?
A: UR9EH = high-density digital I/O for large quantity of binary signals; UR9AH = high-speed digital I/O optimized for fast trip and pilot protection; UR6UH and UR8CH are standard density digital I/O modules for general status monitoring and control.
Q: Can UR9EH work standalone?
A: No. UR9EH is a peripheral I/O module; it must be installed together with UR series main CPU module inside the same chassis via Tri-Bus backplane.
Q: Are your UR9EH modules new?
A: We offer surplus original and fully tested refurbished UR9EH modules. Contact us to confirm available condition and stock.
Q: What about warranty?
A: Warranty is available for tested modules; the warranty period depends on product condition.
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