Description
The Omron LY3-AC120 is a robust general purpose relay engineered for demanding HVAC and industrial control applications. Featuring a 3PDT (3-Pole Double-Throw) contact configuration, this relay operates on a 120VAC coil and is rated for up to 10 amps, making it well-suited for switching loads in control panels, building automation systems, and a wide range of electrical control circuits.
Key Features
- 3PDT (3-Pole Double-Throw) contact arrangement for versatile switching configurations
- 120VAC coil voltage for direct integration into standard control circuits
- 10 Amp contact rating for reliable load switching
- Plug-in and solder terminal options for flexible wiring and installation
- Standard bracket mounting for secure panel or DIN-rail adjacent installation
- Compact, industry-standard LY series form factor
- Designed for high cycle life and long-term reliability in control applications
Specifications
- SKU: LY3-AC120
- Brand: Omron
- Contact Configuration: 3PDT (3-Pole Double-Throw)
- Coil Voltage: 120VAC
- Contact Rating: 10 Amps
- Terminal Type: Plug-in / Solder
- Mounting Style: Standard Bracket
- Series: LY General Purpose Relay
Applications
- HVAC control panels and building automation systems
- Fan, pump, and motor control circuits
- Industrial and commercial electrical control panels
- Switching and sequencing applications requiring 120VAC coil operation
The Omron LY series is a trusted standard in the controls industry, known for its dependable performance and ease of installation. The LY3-AC120’s plug-in terminal design allows for quick relay replacement without rewiring, minimizing downtime during service calls.







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