United Electric Controls C402-121 Temperature Controller

Description:

The United Electric Controls C402-121 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, industrial ovens, HVAC systems, 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 C402 Series is part of the United Electric 400 Series, designed for reliable electromechanical temperature control in demanding industrial environments.

Applications:

The United Electric Controls C402-121 Temperature Controller is commonly used in industrial heating systems, furnaces, drying equipment, chemical processing plants, food and beverage processing, power generation facilities, OEM machinery, and process industries requiring dependable temperature monitoring and automatic switching. It is suitable for temperature regulation, over-temperature protection, alarm functions, and equipment shutdown applications.

Technical Specifications:

• Brand: United Electric Controls (UE)
• Model: C402-121
• Product Type: Temperature Controller / Temperature Switch
• Series: 400 Series
• Temperature Range: 200°F to 425°F (93°C to 218°C)
• Switching Voltage: 480 VAC
• Electrical Rating: 20 A at 125/250/480 VAC Resistive
• Contact Type: Two SPDT Switch Outputs
• Adjustable Setpoint: Yes
• Maximum Process Temperature: 475°F (246°C)
• Temperature Sensor: Remote Bulb and Capillary Assembly
• Enclosure Rating: NEMA 4X / IP66
• Mounting: Panel, Pipe, or Surface Mount
• Application: Industrial Temperature Monitoring, Alarm, and Process Control

Common Replacements:

• United Electric Controls C400 Series Temperature Controller
• United Electric Controls B402-121 Temperature Controller
• Honeywell T775 Electronic Temperature Controller