3VU

Application:

• DZS7(3VU) Series Motor Protection Circuit Breaker are applicable for the circuit of AC 50/60Hz, Rated insulation voltage 750V, Rated operating voltage up to 660V, Rated operation current from 0.1A ~ 63A, The are used for protecting motors against overload, short-circuit and phase-failure, They can also be used for starting and stopping starters for motors, and for the circuit protection in the circuit of 0.1 ~ 63A.

Technical Data

Model	Rated current (A)	Motor output (kW)	Setting Range (A)		Weight (kg)
			Thermal overload releases	Instantaneous overcurrent releases
DZS7-25 (3VU13)	0.16		0.1-0.16	1.9	0.29
	0.24	0.06	0.16-0.24	2.9
	0.4	0.09/0.12	0.24-0.4	4.8
	0.6	0.12/0.18	0.4-0.6	7.2
	1	0.25	0.6-1	12
	1.6	0.37/0.55	1-1.6	19
	2.4	0.75	1.6-2.4	29
	3.2	1.1	2-3.2	38
	4	1.1/1.5	2.4-4	48
	5	1.5/2.2	3.2-5	60
	6	2.2	4-6	72
	8	3	5-8	96
	10		6-10	120
	13	4/5.5	8-13	156
	16	7.5	10-16	190
	20	7.5	14-20	240
	25	11	18-25	300
DZS7-63 (3VU16)	1.6	0.37/0.55	1-1.6	19	0.76
	2.4	0.75	1.6-2.4	29
	4	1.1/1.5	2.4-4	48
	6	2.2	4-6	72
	10	3/4	6-10	120
	16	5.5/7.5	10-16	190
	25	11	16-25	300
	32	15	22-32	380
	40	18.5	28-40	480
	52	22	36-52	600
	63		45-63	600

Characteristic curves

The characteristic curves shown here apply for a DZS7-25-XKOO circuit-breaker with a rated current of 6A a current setting range of 4 to 6A and a tripping current for the instantaneous overcurrent release of 72A, at a rated voltage of AC 50Hz, 400V. The characteristic curves shown here apply for a DZS7-63-OXNOO circuit breaker with a rated current of 25A and a tripping current for the instantaneous overcurrent release of 300A. at a rated voltage of AC 50HJz,400V

Equipment circuit diagrams

Dimensioned