Motor Protection Circuit Breaker
3VU

3VU

3vu13-motor-protection-circuit-breaker3VU13
3vu16-motor-protection-circuit-breaker3VU16

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.

3vu13-motor-protection-circuit-breaker-break-time-cruve
DZS7-25(3VU13)
3vu13-motor-protection-circuit-breaker-cut-out-current-cruve
DZS7-25(3VU13)
3vu13-motor-protection-circuit-breaker-cruve
DZS7-25(3VU13)

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

3vu16-motor-protection-circuit-breaker-break-time-cruve
DZS7-63(3VU16)
3vu16-motor-protection-circuit-breaker-cut-out-current-cruve
DZS7-63(3VU16)
3vu16-motor-protection-circuit-breaker-cruve
DZS7-63(3VU16)

Equipment circuit diagrams

3vu-motor-protection-circuit-breaker-diagramDimensioned

3vu13-motor-protection-circuit-breaker-dimension
DZS7-25(3VU13)
3vu16-motor-protection-circuit-breaker-dimension
DZS7-63(3VU16)

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