UNITED ELECTRIC CONTROLS E122-8BS TEMPERATURE SWITCH E1228BS

Description:

The United Electric Controls E122-8BS Temperature Switch is used in industrial temperature monitoring and control systems to provide automatic electrical switching when preset temperature limits are reached. Commonly installed in refineries, chemical processing plants, power generation facilities, oil and gas operations, and hazardous industrial environments requiring reliable temperature monitoring and explosion-proof protection. Maintenance teams and system integrators use this part for repair, retrofit, expansion, or replacement of existing temperature sensing and control systems.

Applications:

The United Electric Controls E122-8BS Temperature Switch is commonly used in process heaters, boilers, heat exchangers, storage tanks, thermal fluid systems, heat tracing installations, and industrial process equipment. The switch utilizes a remote bulb and capillary sensing assembly to detect temperature changes and actuate electrical contacts for alarms, shutdown functions, interlocks, and automatic process control, helping maintain safe and efficient operation of critical equipment in hazardous locations.

Technical Specifications:

• Brand: United Electric Controls
• Part Number: E122-8BS
• Product Type: Temperature Switch
• Series: 120 Series
• Switch Type: Explosion-Proof Temperature Switch
• Function: Temperature Monitoring and Control
• Sensing Method: Remote Bulb and Capillary System
• Temperature Element: Fluid-Filled Thermal Sensor
• Output Contacts: Dual SPDT Snap-Action Switches
• Electrical Rating: 22A @ 125/250/480 VAC
• Setpoint Adjustment: External Reference Dial
• Differential: Adjustable Deadband
• Enclosure Type: Explosion-Proof Housing
• Housing Material: Epoxy-Coated Die-Cast Aluminum
• Environmental Rating: NEMA 4X / IP66
• Electrical Connection: 3/4 in. NPT Conduit Entry
• Hazardous Area Rating: Suitable for Classified Industrial Locations
• Capillary Construction: Stainless Steel Armored Capillary
• Bulb Material: Stainless Steel
• Suitable for Heating and Cooling Applications
• Designed for Alarm and Shutdown Functions
• Compatible with Boilers, Heat Exchangers, Tanks, and Process Equipment
• Intended for OEM Equipment and Replacement Installations
• Engineered for Continuous-Duty Industrial Service

Common Replacements:

• United Electric Controls E122-13321 Temperature Switch
• United Electric Controls E121-13443 Temperature Switch
• United Electric Controls F120-7BS Explosion-Proof Temperature Switch