Features of CHINT NZ7 Automatic Transfer Switching Equipment
- Reasonable structure, small volume, nice appearance, provided with protective shield, safer and more reliable power supply.
- Complete protective functions, including short circuit, overload, open phase, and loss-of-voltage protection.
- Noiseless, energy saving, simple installation, easy operation, reliable and stable performance.
Applications of CHINT NZ7 Automatic Transfer Switching Equipment
- Fire-fighting equipment
- Smoke Extract Fans
- Sprinkler pumps
- Emergency lights
Specification of CHINT NZ7
| Product Type | NZ7-63 | NZ7-125 | NZ7-250 | NZ7-400 | NZ7-630 | ||||||||||||
| Up to standard | IEC/EN 60947-6-1 | ||||||||||||||||
| Actuator circuit breaker | NM1-63 | NM1-125 | NM1-250 | NM1-400 | NM1-630 | ||||||||||||
| Parameters of electrical characteristics | |||||||||||||||||
| Operating environment temperature | -5℃~+40℃ | ||||||||||||||||
| Altitude | 2000m | ||||||||||||||||
| Class of pollution | 3 | ||||||||||||||||
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Specification for current |
10,16,20,25,
32,40,50,63A |
16,20,25,32,40,
50,63,80,100A |
100,125,160,
180,200,225A |
250,315,
350,400A |
400,500,
630A |
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| Rated operational voltage(Ue) | 400V 50Hz | ||||||||||||||||
| Nominal insulation voltage(Ui) | AC500V | AC800V | |||||||||||||||
| Rated impulse withstand voltage | 6kV | 8kV | |||||||||||||||
| Number of poles | 3P | 4P | 3P | 4P | 3P | 4P | 3P, 4P | 3P, 4P | |||||||||
| Short circuit breaking capacity codes | S | H | H | S | H | R | H | S | H | R | H | S | H | R | S | H | R |
| Rated short circuit making capacity(Icm) | 31.5 | 73.5 | 73.5 | 52.5 | 105 | 143 | 105 | 52.5 | 105 | 143 | 105 | 73.5 | 110 | 154 | 73.5 | 110 | 154 |
| Rated short circuit breaking capacity(Icn) | 15 | 35 | 35 | 25 | 50 | 65 | 50 | 25 | 50 | 65 | 50 | 35 | 50 | 70 | 35 | 50 | 70 |
| Service life | 6000 times | 6000 times | 6000 times | 4000 times | 3000 times | ||||||||||||
| Usage category | AC-33B | ||||||||||||||||
| Electric equipment grade | CB Class | ||||||||||||||||
| Protection level | IP30(except the main circuit terminal) | ||||||||||||||||
| Protection | Overload protection/short circuit protection | ||||||||||||||||
| Controller characteristic | |||||||||||||||||
| Controller | Type A(basic type) | ||||||||||||||||
| Rated control supply voltage Us | 230V 50Hz | ||||||||||||||||
| Installation mode for the controller | Integrated/separated (as installed on the surface of the cabinet) | ||||||||||||||||
| Operating transfer time (no time delay) | ≤3.2s | ≤3.5s | ≤3.6s | ≤4s | ≤5s | ||||||||||||
| Power consumption | ≤10W | ||||||||||||||||
| Installation and connection | |||||||||||||||||
| Installation mode | Fixed type | ||||||||||||||||
| Connection mode | Front connection | ||||||||||||||||
