The ABB TF42-0.74 thermal overload relay is an economic electromechanical protection device for the main circuit. This 3-pole relay provides reliable and fast protection for motors in the event of overload or phase failure. Features a full load current range of 0.55 - 0.74 Amp and a control voltage rating of 690 Vac. The device has trip class 10.
Continuous Temperature Compensation
50/60 Rated D.C. Frequency
690V Rated Insulation
Product Highlights
Provides reliable and fast protection for motors with a full load current range of 0.55 - 0.74 Amp. Offers electromechanical, thermal trip protection.
Product Information
Standard Information
Brand: ABB
Manufacturer Part Number: TF42-0.74
Technical Specifications
Type
RELAY
UNSPSC Code
39121521
Brand
ABB
Full Load Current Range
0.55 - 0.74 Amp
Trip Type
Electromechanical, Thermal
Control Voltage Rating
690 Vac (main Circuit)
Number Ofpoles
3
Contact Configuration
1no 1nc
Insulation
690 V
Reset Type
Automatic/manual
Operating Temperature
-25 To +60 Deg C
Storage Temperature
-50 To 80 Deg C
Maximum Operating Altitude Permissible
2000mr
Impulse Withstand Voltage
6 Kv (main/auxiliary Circuit)
Tightening Torque (main Circuit)
13 - 22 In-lb
Tightening Torque (auxiliary Circuit)
9 - 13 In-lb
Trip Class
Class 10
Frequency Rating
50/60 Hz
Conventional Free-air Thermal Current (ith) Auxiliary Circuit Nc
6 Amp
Conventional Free-air Thermal Current (ith) Auxiliary Circuit No
4 Amp
Operating Current Ac-15 (ie) Normally Close At 120 V
3 Amp
Operating Current Ac-15 (ie) Normally Close At 240 V
3 Amp
Operating Current Ac-15 (ie) Normally Close At 400 V
0.75 Amp
Operating Current Ac-15 (ie) Normally Close At 500 V
0.75 Amp
Operating Current Ac-15 (ie) Normally Open At 120 V
0.75 Amp
Operating Current Ac-15 (ie) Normally Open At 240 V
0.75 Amp
Operating Current Ac-15 (ie) Normally Open At 400 V
0.75 Amp
Operating Current Ac-15 (ie) Normally Open At 500 V
0.75amp
Operating Current Dc-13 (ie) Normally Close At 24 V
1.25 Amp
Operating Current Dc-13 (ie) Normally Close At 60 V
0.55 Amp
Operating Current Dc-13 (ie) Normally Close At 125 V
0.55 Amp
Operating Current Dc-13 (ie) Normally Close At 250 V
0.27 Amp
Operating Current Dc-13 (ie) Normally Close At 500 V
0.15 Amp
Operating Current Dc-13 (ie) Normally Open At 24 V
1.25 Amp
Operating Current Dc-13 (ie) Normally Open At 60 V
0.55 Amp
Operating Current Dc-13 (ie) Normally Open At 125 V
0.55 Amp
Operating Current Dc-13 (ie) Normally Open At 250 V
0.27 Amp
Operating Current Dc-13 (ie) Normally Open At 500 V