Y65T42-0 Johnson Controls Transformer

Overview

The Johnson Controls Y65T42-0 is a high-quality Class 2 control transformer designed to provide reliable 24 VAC power from multi-tap primary configurations. Part of the Y65 Series, this transformer features a split-bobbin design that delivers optimal primary and secondary isolation, ensuring stable voltage reduction and dependable performance for standard commercial and industrial applications.

Features

• Multi-tap primary inputs reduce stocking requirements and enhance field application flexibility
• Split-bobbin construction provides superior electrical isolation between primary and secondary circuits
• Color-coded lead wires simplify installation, wiring standardization, and troubleshooting
• Inherent energy-limiting overload protection prevents damage caused by potential circuit burnouts
• Rugged design includes corrosion-resistant zinc-plated end bells, frame, and mounting plates

Specifications

• Primary Voltage: 120, 208, or 240 VAC at 60 Hz
• Secondary Voltage: 24 VAC nominal (23.5 VAC full load, 27.0 VAC open circuit)
• VA Rating: 40 VA
• Phase: 1 (Single Phase)
• Connections: 8-inch primary and secondary lead wires with a common 1/2-14 NPS male fitting hub
• Mounting: 4-inch x 4-inch plate and single hub mount
• Ambient Operating Temperature: -40°F to 104°F (-40°C to 40°C)
• Ambient Storage Temperature: -40°F to 140°F (-40°C to 60°C)
• Shipping Weight: 2.0 lbs (0.9 kg)
• Approvals: cURus Recognized Component, UL Class 2, UL1585, UL5085-1 & 3

Applications

• Digital controllers and Building Automation Systems (BAS)
• Gas controls and electronic ignition systems
• Commercial Heating, Ventilation, Air Conditioning, and Refrigeration (HVAC/R) systems
• Motor actuators, staging controls, magnetic switches, and voltage reduction loops
• Powering environmental sensors and driving digital I/O relay circuits