United Electric Controls E402-4BS Temperature Control Switch

Description:

The United Electric Controls E402-4BS Temperature Control is used in industrial process heating, HVAC systems, refrigeration equipment, environmental chambers, and equipment protection applications to monitor temperature and provide automatic electrical switching at adjustable setpoints. Commonly installed in process plants, utility systems, heat exchangers, food processing equipment, and OEM machinery requiring reliable remote temperature sensing and control. Maintenance teams and system integrators use this part for repair, retrofit, expansion, or replacement of existing temperature monitoring systems.

Applications:

The United Electric Controls E402-4BS Temperature Control is commonly used in heating and cooling systems, process temperature monitoring, refrigeration controls, industrial ovens, environmental chambers, thermal fluid systems, and equipment protection installations. The controller provides temperature-actuated outputs for alarms, shutdown functions, and process regulation, helping maintain safe operating conditions and improve equipment reliability in demanding industrial environments.

Technical Specifications:

• Brand: United Electric Controls
• Part Number: E402-4BS
• Product Type: Temperature Control Switch
• Series: 400 Series
• Switch Type: Electromechanical Temperature Switch
• Function: Temperature Monitoring and Control
• Sensor Type: Remote Bulb and Capillary Assembly
• Bulb Construction: Stainless Steel Sensing Bulb
• Capillary Type: Flexible Armored Capillary
• Output Contacts: Dual SPDT Snap-Action Switches
• Setpoint Adjustment: Adjustable Temperature Setpoint
• Enclosure Type: NEMA 4X Weatherproof Housing
• Housing Material: Epoxy-Coated Die-Cast Aluminum
• Suitable for Heating and Cooling Applications
• Designed for Alarm and Shutdown Functions
• Compatible with Process Control Systems
• Intended for OEM Equipment and Replacement Installations
• Suitable for Maintenance, Retrofit, and Repair Projects
• Engineered for Continuous-Duty Industrial Service

Common Replacements:

• United Electric Controls E402-3BS Temperature Switch
• United Electric Controls E402-2BSB Temperature Switch
• United Electric Controls 800 Series Temperature Switch