LiftMaster 21-32781 Transformer, 230/208V to 24V AC
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 voltage conversion from 230/208V to stable 24V AC to keep access control and security devices operating without interruption
- Open-frame design for compact mounting inside control panels and equipment racks, simplifying installation and saving space
- Engineered for access control, surveillance and monitoring systems to provide consistent low-voltage power for locks, sensors and cameras
- Durable commercial-grade construction that minimizes downtime and maintenance for critical security infrastructure
- OEM LiftMaster part (21-32781) ensuring compatibility with existing LiftMaster systems and professional installations
Quick Specifications
- Product Model
- 21-32781
- Sector
- Access Control
- Brand Name
- Liftmaster
- Product Type
- Open Frame
Explore the details
Product information
21-32781
Overview
Deliver dependable low-voltage power where it matters most. The LiftMaster 21-32781 transformer is an open-frame transformer designed to convert 230/208V primary input to a stable 24V AC output, providing consistent power for access control, security and surveillance equipment. As a LiftMaster product, this transformer is built for commercial-grade reliability—supporting electric locks, card readers, cameras, sensors and other monitoring devices that demand clean, continuous power.
Its compact open-frame form factor makes it easy to mount inside control panels or equipment racks, reducing installation time and conserving valuable space. By using the manufacturer part 21-32781, integrators and facilities teams gain compatibility confidence and simplified maintenance for existing LiftMaster systems. The robust design helps reduce downtime and ensures sensitive security electronics receive the stable voltage they require for accurate operation.
Ideal for installers, system integrators and building managers, the LiftMaster 230/208V to 24V AC transformer is a practical choice for access control and surveillance deployments. Order or specify this transformer to upgrade or maintain reliable power for your security and monitoring systems.
Features
- Reliable voltage conversion from 230/208V to stable 24V AC to keep access control and security devices operating without interruption
- Open-frame design for compact mounting inside control panels and equipment racks, simplifying installation and saving space
- Engineered for access control, surveillance and monitoring systems to provide consistent low-voltage power for locks, sensors and cameras
- Durable commercial-grade construction that minimizes downtime and maintenance for critical security infrastructure
- OEM LiftMaster part (21-32781) ensuring compatibility with existing LiftMaster systems and professional installations
| General Information | |
|---|---|
| Sector | Access Control |
| Brand Name | Liftmaster |
| Product Type | Open Frame |
| Manufacturer Part Number | 21-32781 |
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Plan your purchase
Is this right for your project?
Confirm the model, required accessories and delivery needs before ordering.
- SKU:
- 21-32781
- Manufacturer part:
- 21-32781
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 21-32781 Transformer, 230/208V to 24V AC
21-32781