Fire-Lite MR-101/CR MR Series Control Relay, Single SPDT Relay with LED, Mounted in Metal Backbox, Red Plastic Cover, UL Listed
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Key Features
- Instant visual status: built-in red LED shows coil energization for faster diagnostics and reduced downtime
- Secure, enclosure-mounted design: rugged metal backbox with red plastic cover protects relay in control panels
- Reliable switching: SPDT contacts rated for 10A at 24VDC support HVAC, lighting, and load control
- UL listed and durable: rated for 10,000,000 mechanical operations to ensure long service life in critical systems
- Modular, service-friendly: snap-apart MR Series modules and track-mount hardware simplify installation and maintenance
Quick Specifications
- Product Model
- MR-101/CR
- Sector
- Fire
- Brand Name
- Fire-Lite Alarms by Honeywell
- Product Name
- MR-101/CR SPDT Relay
Explore the details
Product information
MR-101/CR
Overview
Ensure dependable local and remote switching for fire, security, and building automation systems with the Fire-Lite Alarms MR-101/CR SPDT control relay. This MR Series relay provides clear LED status indication and a robust metal backbox with red cover for secure enclosure mounting, helping technicians identify energized circuits quickly and reduce troubleshooting time. With SPDT contacts rated at 10A and a 24VDC coil, the MR-101/CR handles common control loads for HVAC, lighting control, energy management, and fire alarm panels. UL listing and a mechanical life rating of 10,000,000 operations deliver the reliability required for safety and security applications, while the snap-apart modular design and track mounting hardware speed installation and future service. Ideal for integration into monitoring, surveillance, and emergency notification systems where visible status, dependable switching, and code-compliant components matter. Add the Fire-Lite MR-101/CR to your control cabinet to improve system uptime and simplify maintenance—order now or contact your rep for volume and integration support.
Features
- Instant visual status: built-in red LED shows coil energization for faster diagnostics and reduced downtime
- Secure, enclosure-mounted design: rugged metal backbox with red plastic cover protects relay in control panels
- Reliable switching: SPDT contacts rated for 10A at 24VDC support HVAC, lighting, and load control
- UL listed and durable: rated for 10,000,000 mechanical operations to ensure long service life in critical systems
- Modular, service-friendly: snap-apart MR Series modules and track-mount hardware simplify installation and maintenance
| General Information | |
|---|---|
| Sector | Fire |
| Brand Name | Fire-Lite Alarms by Honeywell |
| Manufacturer | Honeywell International, Inc |
| Product Name | MR-101/CR SPDT Relay |
| Product Type | Relay |
| Product Model | MR-101/CR |
| Product Series | MR |
| Manufacturer Part Number | MR-101/CR |
| Technical Information | |
| Material | Metal, Plastic |
| Others | |
| Model Number Replaces | R-10EA |
| Physical Characteristics | |
| Color | Red |
| Depth | 2.5" |
| Width | 3.3" |
| Height | 6.1" |
| Form Factor | Enclosure Mount |
| Product Information | |
| Mount Type | Enclosure Mount |
| Warranty | |
| Limited Warranty | 3-Year |
| Miscellaneous | |
| Country of Origin | US |
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Is this right for your project?
Confirm the model, required accessories and delivery needs before ordering.
- SKU:
- MR-101CR
- Manufacturer part:
- MR-101/CR
How do I confirm compatibility?
Check the specifications and manufacturer documents for your existing system. Send us your model numbers and project requirements if you need help selecting equipment or accessories.
Ask a product specialistWhen will this item ship?
Availability is shown above. Special-order items and project quantities may need additional lead time. Contact us to confirm a delivery date before scheduling installation.
Shipping, freight and delivery detailsWhat should I know about returns?
Returns require an approved RMA. Consult the linked return policy for deadlines and eligibility. For standard non-defective returns, eligible factory-sealed items carry a 15% restocking fee and customer-paid return shipping; open-box and used items are refused. Defective and DOA claims follow the policy's separate terms. Special orders and other exclusions are final sale.
Read return eligibility and exclusionsFire-Lite MR-101/CR MR Series Control Relay, Single SPDT Relay with LED, Mounted in Metal Backbox, Red Plastic Cover, UL Listed
MR-101/CR