BRK CO5120BN 120VAC/DC Hardwired Carbon Monoxide Alarm with Battery Backup
Special Order: typically 2–6 weeks
Ships directly from the manufacturer. This is an estimated lead time, not a guaranteed delivery date.
Availability can change and lead times may be longer. If your project has a deadline, check with us before ordering.
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Key Features
- Continuous, dependable protection: hardwired 120VAC connection with 9V battery backup ensures monitoring even during power loss
- Long-life sensing you can trust: electrochemical sensor designed for up to 10 years of reliable CO detection and End-of-Life alert
- Fewer false alarms: Intelligent Sensing Technology reduces nuisance alerts so your staff and occupants respond only to real threats
- Faster incident response: latching alarm remembers the initiating unit and interconnect capability lets multiple alarms notify the entire building
- Easy installation and maintenance: wall-mount design, single-button test/silence, and UL2034 listing simplify code compliance and serviceability
Quick Specifications
- Product Model
- CO5120BN
- Brand Name
- BRK Electronics
- Product Name
- CO5120BN Gas Leak Sensor
- Product Type
- Carbon Monoxide Alarm
Explore the details
Product information
CO5120BN
Overview
Protect occupants and property with a professional-grade Carbon Monoxide Alarm from BRK Electronics that delivers reliable, around-the-clock monitoring for residential and multi-family applications. The BRK CO5120BN hardwired CO alarm provides primary protection via a 120VAC connection while a replaceable 9V battery backup keeps detection active during outages. Its electrochemical sensor offers up to 10 years of accurate CO sensing and an End-of-Life signal to alert you when replacement is needed. Built-in Intelligent Sensing Technology helps reduce nuisance alarms, and the latching alarm feature identifies which unit initiated an event — speeding response and diagnostics across interconnected systems. UL2034 listing and straightforward wall-mount installation make this unit an efficient choice for property managers, electricians, and security integrators who need compliant, low-maintenance CO protection. Ideal for enhancing security and safety monitoring in homes, apartments, and common areas — add the BRK CO5120BN to your next installation or order a sample for evaluation.
Features
- Continuous, dependable protection: hardwired 120VAC connection with 9V battery backup ensures monitoring even during power loss
- Long-life sensing you can trust: electrochemical sensor designed for up to 10 years of reliable CO detection and End-of-Life alert
- Fewer false alarms: Intelligent Sensing Technology reduces nuisance alerts so your staff and occupants respond only to real threats
- Faster incident response: latching alarm remembers the initiating unit and interconnect capability lets multiple alarms notify the entire building
- Easy installation and maintenance: wall-mount design, single-button test/silence, and UL2034 listing simplify code compliance and serviceability
| General Information | |
|---|---|
| Brand Name | BRK Electronics |
| Manufacturer | Resideo-BRK |
| Product Name | CO5120BN Gas Leak Sensor |
| Product Type | Carbon Monoxide Alarm |
| Product Model | CO5120BN |
| Application/Usage | Residential |
| Country of Origin | MX |
| Manufacturer Part Number | CO5120BN |
| Technical Information | |
| Sensor Type | Electrochemical |
| Detectable Gas | Carbon Monoxide |
| Sensing Technology | Electrochemical |
| Certifications | |
| UL Listed | Yes |
| Certifications | UL2034 |
| Certifications & Standards | Listed to UL 2034 Standard |
| Controls/Indicators | |
| Status Indicators | Yes |
| Physical Characteristics | |
| Color | White |
| Width | 5.40" |
| Height | 1.90" |
| Form Factor | Wall Mount |
| Power Description | |
| Power Source | Hardwired |
| Input Voltage | 9V DC |
| Product Information | |
| Length | 5.40" |
| Mount Type | Wall Mount |
| Product Replacements & Other Alternatives | |
| Model Number Replaces | CO5120PDBN |
| Warranty | |
| Limited Warranty | 5-Year |
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Plan your purchase
Is this right for your project?
Confirm the model, required accessories and delivery needs before ordering.
- SKU:
- CO5120BN
- Manufacturer part:
- CO5120BN
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 exclusionsBRK CO5120BN 120VAC/DC Hardwired Carbon Monoxide Alarm with Battery Backup
CO5120BN