ABB Thermal Overload Relay, 1NO 1NC, 0.55A, Motor Protection - TF42-0-55

Description for ABB Thermal Overload Relay, 1NO 1NC, 0.55A, Motor Protection - TF42-0-55

The ABB TF42-0-55 Thermal Overload Relay is an economical and effective solution for protecting motors against overloads and phase failures in the main circuit. Designed for reliable and prompt motor protection, it operates with trip class 10 and includes temperature compensation, a trip contact (NC), and a signal contact (NO). Additional features include selectable automatic or manual reset, a trip-free mechanism, a STOP function, and a visible trip indication. Engineered to connect directly to block contactors, this relay enhances motor safety with dependable performance.

Specifications:

• Item Name: Thermal Overload Relay
• Model: TF42-0-55
• Article Number: B6A2047
• Manufacturer: ABB
• Color: Grey
• Manufacture Part Number: 1SAZ721201R1017
• 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): 0.55A
• Torque (Nm): 1.5-2.5 Nm
• Frequency: 50-60Hz
• Ingress Protection (IP Rating): IP20
• Brand Origin: Germany
• Unit: Piece

The ABB TF42-0-55 is an ideal choice for motor reliability and protection in industrial environments, offering trusted performance and durability.