ABB Thermal Overload Relay, 1NO 1NC, 3.1A - TF42-3-1

Description for ABB Thermal Overload Relay, 1NO 1NC, 3.1A - TF42-3-1

The ABB TF42-3-1 Thermal Overload Relay is an economical electromechanical protection device tailored for main circuit applications. It provides reliable and prompt protection for motors during overload or phase failure, classified under trip class 10 for enhanced operational safety. Key features include temperature compensation, a trip contact (NC), a signal contact (NO), and selectable automatic or manual reset options. The device also features a trip-free mechanism, STOP function, and trip indication, facilitating seamless integration with block contactors.

Specifications:

• Item Name: Thermal Overload Relay
• Model: TF42-3-1
• Article Number: B6A2053
• Manufacturer: ABB
• Color: Grey
• Manufacture Part Number: 1SAZ721201R1033
• 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): 3.1A
• Torque (Nm): 1.5-2.5 Nm
• Frequency: 50-60Hz
• Ingress Protection (IP Rating): IP20
• Brand Origin: Germany
• Delivery Time: 2-7 Days
• Unit: Piece

The TF42-3-1 relay ensures effective motor protection, enhancing operational efficiency and safety in various industrial applications.