ABB Thermal Overload Relay, 1NO 1NC, 5.7A - TF42-5-7

Description for ABB Thermal Overload Relay, 1NO 1NC, 5.7A - TF42-5-7

The ABB TF42-5-7 Thermal Overload Relay provides economic and efficient protection for motor circuits by preventing overloads and phase failures. Designed with a trip class of 10, this relay offers temperature compensation, a trip-free mechanism, and the convenience of both automatic and manual reset options. Equipped with a trip contact (NC) and a signal contact (NO), it ensures safety and reliability for industrial applications. Ideal for integration with block contactors, it includes a STOP function and trip indication for easy operation and monitoring.

Specifications:

• Item Name: Thermal Overload Relay
• Model: TF42-5-7
• Article Number: B6A2055
• Manufacturer: ABB
• Color: Grey
• Auxiliary Contacts: 1 NC, 1 NO
• Rated Current (A): 5.7A
• Rated Impulse Withstand Voltage: 6kV (Auxiliary and Main Circuit)
• Operating Conditions per Pole: 1.1 - 2.0W
• Voltage Rating: 690VAC-600VDC
• Insulation Voltage: 690V
• Torque: 1.5-2.5 Nm
• Operating Temperature: -25°C to 60°C
• Storage Temperature: -50°C to 80°C
• Frequency: 50-60Hz
• Dimensions: 45 x 88.3 x 70.5mm
• Ingress Protection (IP Rating): IP20
• Manufacture Part Number: 1SAZ721201R1038
• Brand Origin: Germany
• Unit: Piece

This thermal overload relay is designed to deliver secure and effective protection for motors, ensuring reliable performance and easy maintenance.