UR8CH GE Multilin Digital I/O Module | UR Series Relay Expansion Module

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The UR8CH is a digital input/output expansion module manufactured by GE Multilin for the UR family universal protection relays. It delivers multiple isolated digital input points and relay output contacts to extend the relay’s capacity for status acquisition, alarm signaling and trip control in power protection systems. This module adopts isolated circuit design to suppress electromagnetic interference in harsh substation environments. It supports built-in channel diagnostics for real-time fault detection. We supply surplus original and fully tested refurbished UR8CH modules with worldwide shipping and pre-shipment functional testing.

H2: Key Features

H3: Core Advantages

• Designed for GE Multilin UR universal relay series
• Isolated digital inputs + relay contact outputs
• Built-in channel diagnostic monitoring
• Compact form factor, fits standard UR relay rack
• High vibration and temperature tolerance for substation applications
• Expand relay I/O capacity without replacing main relay unit

H2: Technical Specifications

• Model: UR8CH
• Manufacturer: GE Multilin
• Product Type: Digital I/O Expansion Module
• Compatibility: GE UR series universal protection relays
• Input: Isolated digital inputs
• Output: Relay A-type contact outputs
• Operating Temperature: 0°C ~ +55°C
• Storage Temperature: -20°C ~ +70°C
• Humidity: 5%–95%, non-condensing
• Application: Power protection relay I/O expansion, auxiliary equipment monitoring & control

H2: Applications

UR8CH I/O modules are commonly deployed in power automation and protection projects:

• Substation protection & control panels
• Power generation plant relay control systems
• Transmission & distribution protection retrofits
• Industrial power protection relay upgrade
• Existing UR relay system capacity expansion

H2: Product Condition & Supply

We provide surplus original and fully tested refurbished UR8CH units. Every module undergoes complete functional inspection before packing.

• Stock status: Please inquire for real-time stock
• Pre-shipment: Full function testing
• Packaging: Anti-static ESD packaging
• Shipping: DHL / FedEx / TNT global delivery

H2: FAQ

Q: What is UR8CH?

A: UR8CH is GE Multilin UR series digital I/O expansion module, used to add extra digital input and relay output channels to UR universal protection relays.

Q: Which relays can work with UR8CH?

A: UR8CH belongs to GE Multilin UR universal relay family and works with compatible UR series protection relays.

Q: Are your UR8CH units new?

A: We offer surplus original and fully tested refurbished UR8CH modules. Contact us to confirm available condition and stock.

Q: What about warranty?

A: Warranty is available for tested modules; the term varies based on product condition.

GE BRAND

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