UNITED ELECTRIC CONTROLS E21BC TYPE E55A TEMPERATURE SWITCH 0-150F

Description:

The United Electric Controls E21BC Type E55A Temperature Switch is used in industrial process heating, HVAC systems, refrigeration equipment, heat tracing, and equipment protection applications to monitor temperature and provide automatic electrical switching at adjustable setpoints. Commonly installed in process equipment, environmental control systems, food service equipment, and industrial heating applications requiring reliable remote temperature sensing. Maintenance teams and system integrators use this part for repair, retrofit, expansion, or replacement of existing temperature control systems. The E21BC features an adjustable temperature range of 0°F to 150°F with a remote bulb and capillary sensing assembly.

Applications:

The United Electric Controls E55A-E21BC Temperature Switch is commonly used in heat tracing systems, HVAC equipment, refrigeration controls, food processing equipment, environmental chambers, industrial ovens, and process temperature monitoring applications. The E55 Series is designed to provide dependable temperature control and alarm functions in a compact enclosure, making it suitable for OEM equipment and industrial process systems.

Technical Specifications:

• Brand: United Electric Controls
• Part Number: E21BC
• Type: E55A
• Product Type: Temperature Switch
• Series: 55 Series
• Switch Type: Remote-Mount Temperature Switch
• Adjustable Temperature Range: 0°F to 150°F
• Maximum Temperature: 200°F
• Sensor Type: Bulb and Capillary Assembly
• Bulb Size: 3/8 in. OD × 4-3/8 in. Length
• Capillary Length: 6 ft
• Output Contacts: Dual SPDT Switches
• Electrical Rating: 15A Switch Output
• Enclosure Type: NEMA 4X Epoxy-Coated Die-Cast Aluminum
• Electrical Connection: 1/2 in. NPTF
• Setpoint Adjustment: External Dial Adjustment
• Application: Industrial Temperature Monitoring and Control
• Designed for Alarm and Shutdown Functions
• Engineered for Continuous-Duty Industrial Service

Common Replacements:

• United Electric Controls E55-E21BC Temperature Switch
• United Electric Controls E55A-E22BC Temperature Switch
• United Electric Controls E55A-E23BS Temperature Switch