LiftMaster 21-32780 120V AC/ 40V A Transformer Replacement
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.
A member of our team will check with the manufacturer and personally reply by email.
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Key Features
- Reliable OEM replacement that minimizes downtime for access control and gate operator systems
- Stable 120V AC input to 40V output conversion to ensure consistent power for security and surveillance devices
- Open-frame, compact design for easy installation in control panels and tight enclosures
- Built to LiftMaster standards (Mfr. P/N 21-32780) for seamless compatibility with existing equipment
- Reduces maintenance visits and extends equipment life by delivering clean, dependable power
Quick Specifications
- Product Model
- 21-32780
- Sector
- Access Control
- Brand Name
- Liftmaster
- Product Type
- Open Frame
Explore the details
Product information
21-32780
Overview
Keep your access control and security installations running smoothly with the LiftMaster 21-32780 120V AC / 40V transformer replacement. This LiftMaster open-frame transformer replacement delivers reliable power conversion—designed for a 120V AC input and a 40V-rated output—so gate operators, access control panels, CCTV cameras and monitoring equipment receive steady, clean power. As an OEM-style open-frame transformer (Mfr. P/N 21-32780), it provides compact mounting flexibility for equipment racks and control enclosures while maintaining the robust performance expected in commercial security deployments.
Installing this transformer helps reduce unexpected downtime and maintenance trips by stabilizing voltage to sensitive surveillance and monitoring devices. Its compact profile and straightforward wiring make upgrades or field replacements fast for technicians, improving service-level reliability across multi-site security systems. Ideal for integrators and facility managers who prioritize uptime and compatibility, the LiftMaster transformer supports continued protection of perimeter, gate and building access systems. Order the LiftMaster 21-32780 replacement today to secure uninterrupted power for your security, surveillance, and access control installations.
Features
- Reliable OEM replacement that minimizes downtime for access control and gate operator systems
- Stable 120V AC input to 40V output conversion to ensure consistent power for security and surveillance devices
- Open-frame, compact design for easy installation in control panels and tight enclosures
- Built to LiftMaster standards (Mfr. P/N 21-32780) for seamless compatibility with existing equipment
- Reduces maintenance visits and extends equipment life by delivering clean, dependable power
| General Information | |
|---|---|
| Sector | Access Control |
| Brand Name | Liftmaster |
| Product Type | Open Frame |
| Manufacturer Part Number | 21-32780 |
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Plan your purchase
Is this right for your project?
Confirm the model, required accessories and delivery needs before ordering.
- SKU:
- 21-32780
- Manufacturer part:
- 21-32780
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 exclusionsLiftMaster 21-32780 120V AC/ 40V A Transformer Replacement
21-32780