SQUARE D B1.03 Thermal Unit, Type S, Type B, melting alloy, Class 20

Product Description

The SQUARE D B1.03 is a thermal unit designed for protection of motors and circuit components. This unit safeguards against excessive heating caused by prolonged motor overcurrents, including locked rotor conditions. It features a one-piece construction for reliability and responds quickly to overload, tripping in twenty seconds or less. The data indicates the motor current flows through a heater winding, which melts a solder under overload stress to open control circuit contacts.

• Class 20 thermal unit for motor overload protection
• Tripping time of twenty seconds or less, ensuring rapid response
• One-piece design enhances reliability and performance

Product Highlights

This product is essential for ensuring the performance and safety of motors in various applications.

Product Information

Standard Information

• Brand: SQUARE D
• Manufacturer: Schneider Electric

Technical Specifications

• Catalog Number: B1.03
• Warranty Description: Contractual Warranty: 18 months
• Country of Origin: Mexico
• UPC: 785901587279
• GTIN: 00785901587279
• Motor Tripping Class: 20
• Thermal Overload Type: Melting alloy