CZ9 series automatic transfer switch is suitable for AC 50Hz, rated working voltage AC400V, and rated operating current up to 630A in three-phase four-wire dual power supply systems. It automatically switches one or more load circuits from one power source to another to ensure continuous power supply. This product is ideal for industrial, commercial, high-rise, and residential buildings, and other critical applications.
Standard: IEC 60947-6.
| CZ9 | – | 125 | 4 | A | 125A | FFD |
| Model | Shell frame | Number of poles | Controller type | Rated current | Function | |
| ATS (PC class) | 63(16~63A) 125(50~125A) 250(125~250A) 630(250~630A) | 2:2P 3:3P 4:4P | A: Economy | 16A, 20A, 25A, 32A 40A, 50A, 63A ,80A 100A, 125A, 160A, 200A 225A, 250A, 315A, 350A 400A, 450A, 500A, 630A | / | |
| B: Standard | /:Fire control linkage FF:Fire feedback D:Generator FFD:Fire feedback, Generator |
| Model | CZ9-63 | CZ9-125 | CZ9-250 | CZ9-630 |
| Function | Isolation,switch | |||
| Structure | Integrated | |||
| Electric equipment level | PC class | |||
| Utilization category | AC-33B | |||
| Number of poles | 2P, 3P, 4P | |||
| Electrical performance | ||||
| Rated insulation voltage Ui(V) | AC800 | AC1000 | ||
| Rated operating voltage Ue (V) | AC400(2P product AC230) | AC415 | ||
| Rated current le(A) | 16,20,25,32, 40,50,63 | 50,63,80, 100,125 | 125,160,200, 225,250 | 315,350,400 450,500,630 |
| Rated operating frequency(Hz) | 50 | |||
| Rated impulse withstand voltage Uimp(kV) | 8 | 12 | ||
| Rated impulse withstand current Icw(kA) | 5/30ms | 10/30ms | 25/1ms | |
| Rated short-circuit making capacity Icm(kA) | 8 | 17 | 52.5 | |
| Contact transfer time(s) | 0.6±20% | |||
| Operating transfer time(s) | 1.3±10% | |||
| Return time(s) | 1.3±10% | |||
| Power outage time(s) | 0.6±20% | |||
| Operation method | Auto/Manual | |||
| Switch position | Normal(I)， Power outage(O)，Standby (II) | |||
| Mechanical endurance(times) | 8000(*) | 4000(*) | ||
| Electrical endurance (times) | 2000(*) | 1000(*) | ||
| Applicable environmental conditions and installation | ||||
| Working temperature(℃) | -5~+40 | |||
| Altitude(m) | ≤2000 | |||
| Atmospheric conditions | The relative humidity of the atmosphere shall not exceed 50%at the highest ambient temperature of+40℃.At lower temperatures,there can be higher relative humidity,such as reaching 90%at+20℃ Special measures should be taken for occasional condensation caused by temperature changes; | |||
| Pollution degree | 3 | |||
| Installation environment | Places without obvious vibration and impact | |||
| EMC environment | Environment B | |||
| Protection degree | IP20 | |||
| Power supply voltage deviation range(V) | 160±10% | |||
| Normal working voltage range | 85%Ue~110%Ue | |||
| Installation | Vertical fixed installation | |||
| Wiring method | Screw wiring | |||
| Connection | Front connection | |||
| Maximum number of conductors allowed to be clamped in | 1 | 2 | ||
| Maximum screw torque | 2.5 | 6 | 10 | 22 |
Note:(*) Maintainable
| Type | Type A | Type B |
| Power supply and opening/closing indication | ■ | ■ |
| Automatically transfer and restore operation | ■ | ■ |
| Grid-grid | ■ | ■ |
| Grid-generator(start/stop) | – | □ |
| Three-phase monitoring commonly used to detect phase loss in power supply | ■ | ■ |
| Three-phase monitoring commonly used to detect power loss in power supply | ■ | ■ |
| Single-phase monitoring commonly used to detect phase loss in power supply | ■ | ■ |
| Single-phase monitoring commonly used to detect power loss in power supply | ■ | ■ |
| Handle manual operation | ■ | ■ |
| External wiring terminal of indicator light | ■ | ■ |
| Fire control linkage(24VDC) | – | □ |
| Fire feedback | – | □ |
| Note: “■” Standard, “□” Optional, “-” No | ||
Note:(*) Maintainable
| Specifications | A | B | H | A1 | B1 | A2 | A3 | A4 | H1 | H2 | H3 | H4 | C | C1 | D | φX | ||||
| 2P | 3P | 4P | 2P | 3P | 4P | |||||||||||||||
| 63 | 171 | 193 | 215 | 138 | 68 | 144 | 166 | 188 | 106 | 136 | 22 | 13 | 152 | 52 | 24 | 43 | 2 | 13 | 5.2 | 6 |
| 125 | 229 | 259 | 289 | 136 | 102 | 214 | 244 | 274 | 100 | 162 | 30 | 15 | 240 | 77 | 35 | 62 | 4 | 21 | 7 | 6 |
| 250 | 302 | 347 | 393 | 170 | 128 | 283 | 328 | 374 | 125 | 207 | 45.5 | 25 | 257 | 96 | 44 | 79 | 4 | 22 | 9 | 8 |
| 630 | 460 | 528 | 596 | 255 | 192 | 433 | 501 | 569 | 188 | 325 | 68 | 49 | 367 | 144 | 65 | 118 | 6 | 40 | 13 | 12 |
Note:The operating handle is usually removed and used for emergency or manual operation
