WATLOW PC31-F25B-0000 Solid State Power Controller (Power Series) 140A 480V

 Used. Excellent working condition.

Watlow PC31-F25B-0000 is an industrial solid state power controller from the Watlow Power Series, designed for precise and reliable control of high-power electric heating loads in demanding industrial environments.
This unit supports three-phase power control and is commonly used in process heating, furnaces, extrusion systems, and OEM thermal applications.

Key Specifications

• Model: PC31-F25B-0000

• Type: Solid State Power Controller (thyristor-based)

• Series: Watlow Power Series

• Supply Voltage: 480 V AC, 50/60 Hz

• Rated Current: 140 A @ 50 °C

• Phases: 3-phase

• Minimum Wire Temperature Rating: 90 °C

• Conductors: Copper only

• SCCR: up to 200 kA (Type 2 coordination)

• Recommended Fuses: Bussmann 170N-1317-1322

• Terminal Torque: 15 ft-lbs (20 Nm ±5%)

• Mounting: Panel mount

• User Interface: Integrated keypad and display

• Certifications: UL, CE

Key Benefits

• Solid-state switching with no mechanical wear

• High current handling for heavy-duty heating loads

• Stable and accurate power regulation

• Designed for continuous industrial operation

• Compact design suitable for control cabinets

Typical Applications

• Industrial furnaces and ovens

• Plastic extrusion and molding machines

• Thermal processing systems

• Process heaters and strip heaters

• OEM and automation equipment