ABB Thermal Overload Relay, 1NO 1NC, 4.2A - TF42-4-2

Description for ABB Thermal Overload Relay, 1NO 1NC, 4.2A - TF42-4-2

The ABB TF42-4-2 Thermal Overload Relay is a cost-effective electromechanical protection device designed for main circuit applications. It ensures reliable and swift protection for motors in case of overload or phase failure, adhering to trip class 10 standards for enhanced safety. This relay features temperature compensation, a trip contact (NC), a signal contact (NO), and allows for either automatic or manual reset. Additional benefits include a trip-free mechanism, STOP function, and trip indication, making it an ideal choice for seamless integration with block contactors.

Specifications:

• Item Name: Thermal Overload Relay
• Model: TF42-4-2
• Article Number: B6A2054
• Manufacturer: ABB
• Color: Grey
• Manufacture Part Number: 1SAZ721201R1035
• Auxiliary Contacts: 1 NC, 1 NO
• Operating Conditions per Pole: 1.1 - 2.0W
• Rated Impulse Withstand Voltage: 6kV (Auxiliary and Main Circuit)
• Operating Temperature: -25 to 60°C
• Storage Temperature: -50 to 80°C
• Dimensions: 45 x 88.3 x 70.5mm
• Insulation Voltage: 690V
• Voltage: 690VAC / 600VDC
• Amperage (A): 4.2A
• Torque (Nm): 1.5-2.5 Nm
• Frequency: 50-60Hz
• Ingress Protection (IP Rating): IP20
• Brand Origin: Germany
• Unit: Piece

The TF42-4-2 relay provides efficient motor protection, enhancing safety and performance in various industrial settings.