3UA(JRS2) series thermal relayDetailed product description：

Applicable:
3UA thermal relay is suitable for power systems with AC 50Hz, rated operating voltage up to 660V and 1000V, and main circuit current ranging from 0.1A to 630A. It can be used to protect AC 3-phase asynchronous motors from overload and open phase hazards.
The current setting value can be adjusted, and the current setting values of many thermal components are arranged for crossover, making it convenient for customers to choose. The suitable air temperature for the product is between -25 ℃ and 55 ℃, as the product is equipped with a temperature balancer. This relay has a disconnect NC contact operation indicator and a - test button, and all models comply with the standards of IEC2921, IEC337-1, and VDE0660.

3UA (JRS2) series thermal relay specifications:

model	Rated operation Current (A)	Rated insulation Voltage (V)	Current setting range (A)
3UA50	twelve point five	six hundred and sixty	0.1-0.16 0.16-0.25 0.25-4 0.32-0.63 0.63-0.1 0.8-1.25 1-1.6 1.25-2.1 1.6-2.5 2-3.2 2.5-4 3.2-5 4-6.3 5-8 6.3-10 8-12.5
3UA52	twenty-five	six hundred and sixty	0.1-0.16 0.16-0.25 0.25-0.4 0.4-0.63 0.63-1 0.8-1.25 1-1.6 1.25-2 1.6-2.5 2-3.2 2.5-4 3.2-5 4-6.3 5-8 6.3-10 8-1.25 10-16 12.5-20 16-25
3UA54	thirty-two	six hundred and sixty	4-6.3 6.3-10 10-16 12.5-20 16-25 20-32
3UA58	eighty	one thousand	6-25 20-32 25-40 32-50 40-57 50-63 57-70 63-80 0.1-0.16 0.16-0.25 0.25-0.4 0.4-0.63 0.63-1 0.8-1.25 1-1.6
3UA59	sixty-three	six hundred	1.25-2 1.6-2.5 2-3.2 2.-5-4 3.2-5 4-6.3 5-8 6.3-10 8-12.5 10-16 12.5-20 16-25 20-32 25-40 32-45 40-57 50-63
3UA62	one hundred and eighty	six hundred and sixty	55-80 63-90 80-110 90-120 110-135 120-150 135-160 150-180
3UA66	four hundred	one thousand	0-125 125-200 180-250 200-320 250-400
3UA68	six hundred and thirty	one thousand	320-500 400-630