United Electric Controls B402 121 Temperature Controller

Description:

The United Electric Controls B402-121 Temperature Controller is used in industrial process control systems to monitor temperature and provide automatic switching for equipment protection and temperature regulation. Commonly installed in boilers, heat exchangers, HVAC systems, industrial ovens, process piping, and manufacturing equipment requiring an adjustable temperature range of 200°F to 425°F with a 480 VAC control circuit. Maintenance technicians, process engineers, and system integrators use this temperature controller for preventive maintenance, process automation, and replacement of OEM temperature control devices. The B402 Series is a rugged electromechanical controller designed for reliable operation in demanding industrial environments.

Applications:

The United Electric Controls B402-121 Temperature Controller is commonly used in industrial heating systems, heat tracing applications, food and beverage processing, chemical plants, power generation facilities, furnaces, drying equipment, and OEM machinery requiring dependable temperature monitoring and automatic switching. It is suitable for high-temperature process control, over-temperature protection, and equipment shutdown applications.

Technical Specifications:

• Brand: United Electric Controls (UE)
• Model: B402-121
• Product Type: Temperature Controller / Temperature Switch
• Series: B402 Series
• Temperature Range: 200°F to 425°F (93°C to 218°C)
• Switching Voltage: 480 VAC
• Contact Type: SPDT Snap-Action Microswitch
• Adjustable Setpoint: Yes
• Temperature Sensor: Remote Bulb and Capillary Assembly
• Enclosure: Heavy-Duty Industrial Housing
• Mounting: Panel or Equipment Mount
• Application: Industrial Temperature Monitoring and Process Control
• Typical Uses: Boilers, Ovens, Heat Exchangers, HVAC, and Process Equipment

Common Replacements:

• United Electric Controls B402 Series Temperature Controller
• United Electric Controls One Series Electronic Temperature Switch
• Honeywell L404 Series Temperature Controller