A B B Unigear Zs1 Medium-Voltage Air-Insulated Switchgear 12kv 24kv 36kv

Certification: VDE
Shell Material: Steel Plate
Voltage Level: Medium Voltage

Product Description

Basic Specifications
Model
UniGear ZS1
Installation
Removable
Structure
Cabinet
Current
AC
Rated Voltage
12/24/17.5kv
Rated Current
630/1250/1600/2500A
Rated Frequency
50/60Hz
Short-Time Current
63ka
Origin
China
Specification
1160*1079*476mm
Product Overview

UniGear ZS1 adopts the advanced design concept. The performance is comprehensively improved and integration of IoT and digital technology make the operation of substation easier and safer. It has passed the compulsory test items stipulated by IEC Standard.

📏 Smaller

500 mm panel width, most compact air-insulated switchgear with withdrawable VD4 circuit breaker.

Stronger

Polyamide poles circuit breakers with excellent mechanical and electrical endurance capability.

🛡️ Safer

Innovative safety operation assistance system prevents electric shock and ensures personal safety.

🧠 Smarter

Real-time monitoring and asset health management transition from preventive to predictive maintenance.

Product Photos
Technical Data Sheet
Parameter Single Busbar Double Busbar / Duplex Double Level
Max. Rated Voltage 24kV 24kV 17.5kV
Max. Continuous Current 4000 A 4000 A 1600 A
Short-time Withstand Current 63 kA 31.5 kA 50 kA
Busbar Configuration Single Double / Back-to-Back Double Level
Frequently Asked Questions
Q1: What are the main benefits of the UniGear ZS1 design?

The UniGear ZS1 offers a compact 500mm panel width, making it one of the most space-efficient air-insulated switchgears available. It also integrates IoT technology for smarter asset management.

Q2: What is the maximum rated voltage supported by this switchgear?

It supports up to 24kV for single and double busbar configurations, and up to 17.5kV for double-level designs.

Q3: Does it comply with international safety standards?

Yes, the UniGear ZS1 has passed all compulsory test items stipulated by the IEC Standard, ensuring high reliability and safety.

Q4: How does the "Smarter" feature improve maintenance?

Through multidimensional real-time monitoring and analysis, the system shifts maintenance from traditional preventive schedules to predictive maintenance, reducing costs and downtime.

Q5: What is the maximum short-time withstand current?

The switchgear can withstand a rated short-time current of up to 63kA, providing robust protection for electrical systems.

Q6: What type of circuit breakers are used in this model?

It utilizes withdrawable VD4 circuit breakers with polyamide poles, which are known for their high breaking capacity and durability.

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