Description
Product TA75DU-32 Thermal Overload Relay
Description: The TA75DU-32 thermal overload relay is an economic electromechanical protection device for the main circuit. It offers reliable and fast protection for motors in the event of overload or phase failure. The device has trip class 10A. Further features are the temperature compensation, trip contact (NC), signal contact (NO), automatic- or manual reset selectable, trip-free mechanism, STOP- and Test function and a trip indication. The overload relays are connected directly to the block contactors. Single mounting kits are available as accessory.
Electrical Characteristics: Setting range 22 … 32 A; Rated operational current 32 A; Rated operational voltage: Auxiliary Circuit 440 V DC, 500 V AC; Main Circuit 690 V AC, 440 V DC; Rated frequency Auxiliary Circuit 50 Hz, 60 Hz, DC; Main Circuit 50 Hz, 60 Hz, DC; Rated impulse withstand voltage 6 kV; Rated insulation voltage 690 V.
Mechanical Characteristics: Number of poles 3; Number of auxiliary contacts NC: 1, NO: 1; Conventional free-air thermal current Auxiliary Circuit NC 10 A, NO 6 A.
Physical Dimensions: Width 5.8 cm, Height 9.2 cm, Depth 11.1 cm, Weight 0.335 kg.
Connection: Auxiliary Circuit connecting capacity flexible with ferrule 1/2x 0.75 … 2.5 mm², rigid up to 4 mm²; Main Circuit flexible with ferrule 1x 2.5 … 25 mm², rigid up to 16 mm²; Tightening torque Auxiliary Circuit 1 … 1.3 N·m, Main Circuit 4.5 N·m; Wire stripping length Auxiliary Circuit 9 mm, Main Circuit 14 mm.
Operating Conditions: Ambient air temperature operation -25 … +55 °C, storage -40 … +70 °C; Temperature compensation yes; Maximum operating altitude permissible 2000 m; Protection Degree Housing IP20, Main Circuit Terminals IP10; Pollution Degree 3.
Standards and Certifications: IEC/EN 60947-1, IEC/EN 60947-4-1, IEC/EN 60947-5-1, UL 60947-1, UL 60947-4-1; Various international certificates including ABS, BV, CB, CCC, CQC, CE, UKCA, DNV, EAC, GL, LR, RMRS, UL.
Customs Tariff Code: 85364900
