Overview
The Hammond Manufacturing MH25JG is a dependable 25VA single-phase control transformer designed to step down 120V AC input to 24V AC output at 60Hz. This industrial transformer is widely used in control circuits, automation systems, and low-voltage equipment applications. Built with quality laminated core construction, it provides stable, regulated voltage conversion for sensitive electrical control devices.
Key Features
- 25VA power rating with 120V primary / 24V secondary configuration
- 60Hz frequency operation suitable for North American industrial standards
- Laminated core construction for reduced losses and reliable performance
- Compact, durable enclosure design for bench-top or chassis mounting
- Suitable for actuators, relays, solenoids, and signal control circuits
Technical Specifications
- Model: Hammond MH25JG
- Power Rating: 25VA
- Primary Voltage: 120V AC
- Secondary Voltage: 24V AC
- Frequency: 60Hz
- Winding Type: Single primary, single secondary
- Core Type: Laminated steel
- Secondary Current (Max): 1.04A (at full load, 25VA ÷ 24V)
- Mounting Style: Chassis/Enclosure mount
Typical Applications
The Hammond MH25JG transformer is commonly used in:
- Industrial control circuits and automation panels
- Actuating relays, bells, and signal alarm systems
- Low-voltage machine tool circuits
- Operating small solenoids, valves, and damper controls
- General-purpose voltage step-down for 24V DC supply circuits (with bridge rectifier)
- Panel-mount and OEM equipment control power supplies
Compatibility & Replacements
Compatible With
- Standard 120V AC single-phase industrial power distribution
- Control relay circuits operating at 24V AC
- Solenoid and actuator control systems
- Industrial automation PLC and control panel installations
- Enclosure-mount and chassis-mount control cabinets
Replaces / Drop-In Replacement For
Verify compatibility with your system integrator before ordering. The Hammond MH25JG is part of Hammond’s standard control transformer line and may interchange with comparable 25VA 120V-to-24V models from the manufacturer depending on mounting and termination requirements.
Works With
- Any 120V AC 60Hz industrial power supply (North American standard)
- 24V AC relay and solenoid control circuits
- Bridge rectifier modules for 24V DC conversion
- Standard industrial enclosure wiring and terminal blocks
- Allen-Bradley, Siemens, Rockwell, and other OEM control panels
