ABB Thermal Overload Relay, 1NO 1NC, 20A - TF42-20

Description for ABB Thermal Overload Relay, 1NO 1NC, 20A - TF42-20

The ABB TF42-20 Thermal Overload Relay is a cost-effective and durable electromechanical device designed to protect motors in the main circuit. It ensures rapid and dependable protection against overloads and phase failures with trip class 10 performance. Key features include temperature compensation, trip contact (NC), signal contact (NO), selectable automatic or manual reset, trip-free mechanism, STOP function, and trip indication. This relay connects directly to block contactors, enhancing system reliability and safety.

Specifications:

• Item Name: Thermal Overload Relay
• Model: TF42-20
• Article Number: B6A2060
• Manufacturer: ABB
• Color: Grey
• Manufacture Part Number: 1SAZ721201R1049
• 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): 20A
• Torque (Nm): 1.5-2.5 Nm
• Frequency: 50-60Hz
• Ingress Protection (IP Rating): IP20
• Brand Origin: Germany

This ABB TF42-20 relay is designed for industrial applications, offering reliable and efficient motor protection with easy integration into control panels.