Function and Application
Chint New Vision NZ5-H series automatic transfer switch is a high-performance PC-level transfer switch with neutral line overlapping switching function, especially suitable for places requiring automatic transfer between main power supply and backup power supply in industries such as data centers, telecommunications, and rail transit. It is suitable for grid-grid/grid-generator applications, ensuring the continuous power supply of important loads.
Details
Parameters:
Usage Category: AC-33A for all series
Switching Speed: Within 80ms at fastest
Neutral Line: Overlapping Switching
Standard: MODBUS Communication Interface
Advantages/Core Functions:
01 Usage Category AC-33A
Highest usage category in the industry, capable of handling various loads
Effectively deals with the surge current of motor-type loads, ensuring safety
02 Neutral line overlapping switching function
Prevents the neutral line from being disconnected during switching
Effectively avoids the zero-point drift issue of UPS output voltage
03 Switching speed within 80ms at fastest
Fast switching, reducing power outage time
Improves the continuous power supply of critical loads
Detailed Parameters
| Parameter Category | Parameter Item | Parameter Value |
|---|
| Product Model | NZ5-100H | 16, 20, 25, 32, 40, 50, 63, 80, 100 |
| NZ5-250H | 125, 160, 200, 250 |
| NZ5-400H | 315, 350, 400 |
| NZ5-630H | 500, 630 |
| NZ5-1600H | 800, 1000, 1250, 1600 |
| NZ5-4000H | 2000, 2500, 3200, 4000 |
| Rated Operating Voltage Ue(V) | | AC 400 |
| Number of poles | | 3/4/4N |
| Electrical Level | | PC Level |
| Usage Category | | AC-33A |
| Rated Insulation Voltage Ui(V) | | 800 |
| | 1000 |
| Rated Impulse Withstand Voltage Uimp(kV) | | 8 |
| | 12 |
| Rated Short-Time Withstand Current Icw(kA)/s | | / |
| | 42kA/1s |
| | 85kA/1s |
| Rated Limiting Short-Circuit Current (kA) | | 120 (with fuse), 100 (with circuit breaker) |
| Contacts Working Position | | Two-stage / Three-stage |
| Contacts Switching Time (ms) | Two-stage | ≤ 80 |
| | ≤ 100 |
| | ≤ 30 |
| Three-stage | ≤ 200 |
| Mechanical Life (times) | | 20000 |
| | 15000 |
| | 3000 |
| Electrical Life (times) | | 8000 |
| | 6000 |
| | 1000 |
| Operating Temperature (℃) | | -20~+75 (Type A Controller) |
| | -10~+50 (Type B Controller) |
