Bard 8406-076BX SPST Door Switch 20 Amp Normally Open

The Bard 8406-076BX is a single-pole, single-throw (SPST) door switch designed for HVAC systems. This safety component is essential for detecting door positions and ensuring that HVAC operations halt when service panels or access doors are opened, protecting technicians and preventing equipment damage.

Key Features:

• 20 amp current rating for reliable electrical switching
• Normally open (N.O.) configuration activates circuit when door closes
• SPST design provides simple on/off switching functionality
• OEM Bard HVAC replacement part for wall-mounted and packaged units
• Ensures safe operation by interrupting power when access doors are opened

This genuine Bard replacement switch is commonly used in wall-mounted air conditioners, heat pumps, and packaged HVAC units. The normally open contact closes when the door is shut, allowing the system to operate, and opens when the door is accessed for service or maintenance.