UR9AH GE Multilin Digital I/O Module | UR Series High Speed Input Output Module

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UR9AH

H1

UR9AH GE Multilin UR Series High Speed Digital I/O Module

The UR9AH is a single-slot plug-in high-speed digital input/output module designed for GE Multilin UR family universal protection relays. It provides isolated digital status inputs and fast relay contact outputs, optimized for sub-millisecond high-speed event capture and rapid control actions for power protection schemes. This module communicates with the UR CPU via internal Tri-Bus backplane. It features high dielectric isolation for substation harsh environments. The fast scanning speed makes it ideal for pilot protection, trip logic and breaker status monitoring. It is auto-recognized by UR relay firmware for simple drop-in replacement and retrofit. We supply surplus original and fully tested refurbished UR9AH modules with worldwide shipping and pre-shipment functional testing.

H2: Key Features

H3: Core Advantages

• Single-slot plug-in high-speed digital I/O module for GE Multilin UR relay chassis
• Isolated digital inputs and fast acting relay outputs for protection control
• High speed scanning for sub-millisecond event timestamping & fault sequence recording
• High dielectric isolation (2kV AC withstand) for substation EMC & surge protection
• Internal Tri-Bus communication to UR main CPU module
• Auto-detected by UR firmware, simple field replacement and retrofit
• Supports Form A / Form C contact outputs for trip and control circuits
• Compliant with IEEE C37.90 and IEC 60255 utility relay standards

H2: Technical Specifications

• Model: UR9AH
• Manufacturer: GE Multilin / GE Vernova
• Product Type: High Speed Digital Input / Output Module
• Compatibility: GE Multilin UR series universal relay chassis (C60, G60, L90, B90, T60 etc.)
• Input Type: Isolated DC digital inputs (125V / 250V DC typical)
• Output Type: Fast Form-A / Form-C relay contact outputs
• Event Capture: Sub-millisecond time stamping
• 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

UR9AH high-speed digital I/O modules are widely deployed in power protection and automation projects:

• Pilot aided line differential protection schemes
• Circuit breaker trip & close control logic
• Fast breaker status monitoring and fault sequence recording
• Generator and transformer protection control circuits
• Substation automation high-speed binary signal acquisition

H2: Product Condition & Supply

We provide surplus original and fully tested refurbished UR9AH 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, contact & input verification
• Packaging: Anti-static ESD packaging
• Shipping: DHL / FedEx / TNT global delivery

H2: FAQ

Q: What is UR9AH?

A: UR9AH is GE Multilin UR series high-speed digital I/O module. It provides fast isolated binary inputs and relay outputs for high-speed protection control and sub-millisecond event capture for UR universal relays.

Q: What is the difference between UR9AH and UR6UH / UR8CH?

A: UR9AH = high-speed digital I/O, optimized for fast trip logic and high precision event timestamping for pilot protection. UR6UH and UR8CH are standard digital I/O modules for general status monitoring and slower control applications.

Q: Does UR9AH need a CPU module to work?

A: Yes. UR9AH is an I/O peripheral module; it must work together with UR series main CPU module in the same chassis via Tri-Bus backplane.

Q: Are your UR9AH modules new?

A: We offer surplus original and fully tested refurbished UR9AH 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.

GE BRAND

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