Overview
ELK Products 24Vac 40Va Transformers Trg2440
ELK Products ELK-TRG2440 24Vac 40VA Transformer The ELK-TRG2440 is a 24-volt AC transformer rated for 40VA output, engineered for reliable auxiliary p…
ELK Products 24Vac 40Va Transformers Trg2440
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Bundle Summary
Overview
ELK Products ELK-TRG2440 24Vac 40VA Transformer
The ELK-TRG2440 is a 24-volt AC transformer rated for 40VA output, engineered for reliable auxiliary power distribution in professional security and access control installations. This transformer serves as a critical power supply component for door locks, readers, control panels, and auxiliary devices that require 24Vac power in integrated security systems.
Overview
The ELK-TRG2440 transformer provides a stable, regulated 24Vac power source essential for security integrators designing distributed access control networks and alarm system architectures. With its 40VA capacity, the unit supports multiple connected devices while maintaining consistent voltage output across typical commercial installation scales.
Key Features
- 24Vac Output Rating: Delivers nominal 24-volt AC power for standard security system components
- 40VA Power Capacity: Supports cumulative load requirements of auxiliary devices including mag locks, electronic strikes, credential readers, and control panels
- Auxiliary Power Distribution: Functions as a secondary power source in multi-device security architectures where primary system power cannot directly supply all connected loads
- Professional-Grade Construction: Built for permanent installation in commercial security deployments with consistent, regulated output
- Compatible with Security System Integration: Designed to work with access control panels, door controller modules, and reader interfaces requiring 24Vac power
- Reliable Auxiliary Power Source: Provides stable power for credential readers, control relays, and electromagnetic locking devices in door security systems
Integration & Compatibility
The ELK-TRG2440 integrates into security system architectures where auxiliary 24Vac power distribution is required across multiple devices. Integrators use this transformer to separate power delivery loads, ensuring that high-current devices such as mag locks or strike solenoids do not degrade voltage supplied to sensitive control electronics or credential readers. The 40VA rating accommodates typical door controller configurations with single or dual readers and electromagnetic lock hardware in standard commercial installations.
The transformer functions as a component within larger panel-mounted or distributed power supply configurations, allowing architects to design modular power trees that scale with multi-door access control deployments. The ELK-TRG2440 (often searched as ELK TRG2440) is specified for installations requiring isolated 24Vac auxiliary circuits separate from main panel power supplies.

I've specified the ELK-TRG2440 in multiple commercial access control designs where power budget isolation improves system reliability. This transformer handles the typical auxiliary power load in standard door controller circuits—readers, solenoids, relay coils—without introducing voltage drop across the main control panel supply.
Technical Highlights:
- 40VA Capacity: Sufficient for dual-reader door controllers with mag lock or strike solenoid, matching common commercial door configuration power requirements
- 24Vac Output: Standard security system voltage ensuring compatibility across credential readers, electronic locks, and control relays
- Auxiliary Circuit Design: Allows separation of high-current loads from control panel primary power, reducing noise and voltage transients affecting reader performance
Deployment Considerations:
- Calculate total load across all connected devices (readers, solenoids, relays) to confirm 40VA capacity is adequate before installation; oversized loads will result in voltage drop
- Mount the transformer in accessible panel locations to allow future load verification and maintenance without system disassembly
- Use the ELK-TRG2440 in multi-door installations where power distribution trees benefit from modular transformer blocks rather than single large-capacity supplies
The ELK-TRG2440 is a straightforward, proven solution for secondary 24Vac power distribution in access control and alarm system layouts. It addresses the practical power management requirement in professional installations where distributed auxiliary power improves overall system stability and scalability.
System Design, Deployment & Technical Support
Support services and planning resources for commercial surveillance, access control, and infrastructure deployments.
Fixed scope • Fixed price
System Design Assistance
- Get help validating product compatibility
- Coverage requirements
- Storage planning and deployment architecture before you buy.
Deployment & Configuration Support
- Access fixed-scope support for rollout planning
- User setup guidance
- Migration and system standardization across single-site or multi-site deployments
Guides, Tools & Calculators
- PoE requirements
- Storage retention
- Camera selection and deployment methodology