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Medium-voltage switchgear is one of the most important links in the distribution network. ABB's UniGear ZS1 switchgear was developed precisely for this link. UniGear ZS1 air-insulated switchgear is used for primary distribution, with rated voltage up to 24 kV, rated current up to 4000 A, and internal arc withstand of 50 kA / 1 s.
Used in indoor medium-voltage primary distribution applications up to 24 kV, suitable for indoor installation.
Medium-voltage switchgear is one of the most important links in the distribution network. ABB's UniGear ZS1 switchgear was developed precisely for this link. UniGear ZS1 air-insulated switchgear is used for primary distribution, with rated voltage up to 24 kV, rated current up to 4000 A, and internal arc withstand of 50 kA / 1 s.
In addition, UniGear ZS1 air-insulated switchgear can be equipped with electrically operated circuit-breaker trucks and earthing switches to achieve intelligent operation of substations. Combined with smart solutions, it monitors the temperature rise and mechanical characteristics of the switchgear, predicts the health status of the equipment, and prevents accidents before they occur.
It can be equipped with digital medium-voltage switchgear solutions, using electronic instrument transformers and IEC 61850 digital communication technology to realize the sharing of sampled signals and the standardization of switchgear, leading the development direction and trend of medium-voltage switchgear.
Reduced Investment
UniGear ZS1 adopts a uniform electric field and composite insulation design. Its compact structure reduces the user's civil engineering investment.
Multiple Panel Types, High Flexibility
It offers single busbar panels, double busbar panels, and double-tier panels. Various panel types can be combined with each other without transition panels.
Suitable for Various Special Applications
Ships, seismic areas, nuclear power, and other special applications.
Excellent Safety Performance
UniGear ZS1 complies with standards such as IEC, GB/DL, GOST, and CSA.
| Applicable Range (Single-Tier Panel) | Applicable Range (Double-Tier Panel) | Applicable Range (Double Busbar Panel) |
|---|---|---|
| Rated voltage: 3.6 kV - 24 kV | Rated voltage: 3.6 kV - 17.5 kV | Rated voltage: 3.6 kV - 24 kV |
| Rated main busbar current: 630 A - 4000 A | Rated main busbar current: 630 A - 1600 A | Rated main busbar current: 630 A - 4000 A |
| Rated short-time withstand current (4 s): 16 kA - 50 kA | Rated short-time withstand current (3 s): 16 kA - 50 kA | Rated short-time withstand current (3 s): 16 kA - 31.5 kA |
