Description
TA25DU-1.8M Thermal Overload Relay
TA25DU-1.8M (1.3-1.8A) 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.
Features include temperature compensation, trip contact (NC), signal contact (NO), automatic or manual reset selectable, trip-free mechanism, STOP and Test function, and trip indication. The overload relays connect directly to block contactors. Single mounting kits are available as accessory.
Technical Specifications:
Rated operational voltage: Main Circuit 690 V AC, Main Circuit 440 V DC
Rated operational current: 1.8 A
Rated frequency: Auxiliary Circuit 50 Hz, 60 Hz, DC; Main Circuit 50 Hz, 60 Hz, DC
Number of poles: 3
Auxiliary contacts NC: 1
Auxiliary contacts NO: 1
Conventional free-air thermal current: Auxiliary NC 5 A, NO 5 A
Degree of protection: Housing IP20; Main Circuit Terminals IP10
Pollution degree: 3
Connecting capacity auxiliary circuit: Flexible 1/2x 0.75 … 2.5 mm², Rigid 1/2x 0.75 … 4 mm²
Connecting capacity main circuit: Flexible with Ferrule 1x 0.75 … 4 mm², Flexible with Ferrule 2x 0.75 … 4 mm², Flexible 1x 0.75 … 4 mm², Flexible 2x 0.75 … 4 mm², Rigid 1x 0.75 … 4 mm², Rigid 2x 0.75 … 4 mm²
Recommended screw driver: Auxiliary Circuit Pozidriv 1, Main Circuit Pozidriv 2
Power loss per pole: 1.1 … 2.2 W
Suitable for: AX09, AX12, AX18, AX25, AX32, AX40
Standards: CSA 22.2 No. 14, IEC/EN 60947-1, IEC/EN 60947-4-1, IEC/EN 60947-5-1, UL 508
Ambient temperature operation: -25 … +55 °C; compensated operation: -25 … +55 °C; storage: -40 … +70 °C
Maximum operating altitude: 2000 m
Resistance to shock (IEC 60068-2-27): 25g 2 shocks 13 ms
Customs Tariff Code: 85364900
