Description
The Johnson Controls Y65T42-0 is a reliable, multi-tap step-down transformer engineered for HVAC control circuit applications. Designed to power 24V control systems from a range of primary voltage sources, this transformer offers the installation flexibility and built-in protection that commercial and residential HVAC professionals demand.
Key Features
- Multi-tap primary voltage accepts 120V, 208V, or 240V input — ideal for a wide range of electrical service configurations
- 24V AC secondary output powers standard HVAC control circuits, thermostats, and zone controllers
- 40VA capacity provides ample power for typical low-voltage control applications
- Energy Limiting Type overload protection eliminates the need for a separate fuse on the secondary circuit, enhancing safety and simplifying installation
- Common male fitting with 8″ primary leads for easy primary-side wiring connections
- Common male fitting with 8″ secondary leads for straightforward secondary-side termination
Application
The Y65T42-0 is well-suited for use with Johnson Controls and compatible HVAC control systems, including thermostats, actuators, zone panels, and building automation equipment that require a dependable 24V AC power source. The energy-limiting design meets NEC requirements for Class 2 transformer installations, reducing wiring complexity and improving job-site safety.
Specifications
- Brand: Johnson Controls
- Model / SKU: Y65T42-0
- Primary Voltage: 120 / 208 / 240V AC
- Secondary Voltage: 24V AC
- VA Rating: 40VA
- Overload Protection: Energy Limiting Type
- Primary Connections: Common male fitting with 8″ leads
- Secondary Connections: Common male fitting with 8″ leads
Why Choose the Johnson Controls Y65T42-0?
Johnson Controls has been a trusted name in building controls and HVAC equipment for over a century. The Y65T42-0 transformer reflects that legacy of quality — offering multi-voltage flexibility, robust overload protection, and pre-wired lead connections that speed up installation and reduce callbacks. Whether you’re replacing a failed transformer or specifying one for a new installation, the Y65T42-0 delivers consistent, dependable 24V power for your control circuits.
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