Description
The MDI Mercury Displacement 35NO-24A is a Single Pole Normally Open (SPNO) relay designed for dependable switching performance in commercial and residential HVAC control applications. Engineered by MDI Mercury Displacement, this 24V relay provides a proven solution for controlling loads in heating, cooling, and ventilation systems where a normally open configuration is required.
Key Features
- Single Pole Normally Open (SPNO) switching configuration
- 24V coil voltage for compatibility with standard HVAC control circuits
- Mercury displacement design for smooth, reliable contact operation
- Compact form factor suitable for panel or equipment mounting
- Ideal for use in heating, cooling, and air handling control systems
Application
The 35NO-24A is well-suited for HVAC contractors and technicians who require a dependable normally open relay for zone control, fan switching, or auxiliary load management. Its 24V coil voltage integrates seamlessly with low-voltage thermostat and control wiring commonly found throughout commercial and residential HVAC systems.
Specifications
- Brand: MDI Mercury Displacement
- Model / SKU: 35NO-24A
- Coil Voltage: 24V
- Pole Configuration: Single Pole
- Contact Type: Normally Open (NO)







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