ZW32-24kV Outdoor Pole Mounted Vacuum Auto Recloser

  • Vacuum Interruption:Up to 30,000 operations, reliable and maintenance-free
  • Solid Insulation:Epoxy resin and silicone rubber, suitable for harsh environments
  • IP65 Protection:Dustproof, waterproof, UV-resistant, anti-condensation
  • Integrated Sensing:Built-in voltage, current, and zero-sequence sensors
  • Fault Auto-Clearing:Automatically detects and isolates transient and permanent faults
  • Remote Operation:Supports remote control, monitoring, signaling, and adjustment
  • Smart Controller:IEC 61850 compliant, modular design with strong system integration
  • Flexible Communication:Compatible with GPRS, fiber optics, and other protocols
  • Compact Design:Pole-mounted, lightweight and easy to install
Describe Display

ZW32-24kV outdoor vacuum auto recloser is a three-phase AC high-voltage switchgear operating at 50/60Hz, mainly applied in 10–35kV outdoor power distribution systems for load current breaking, overload and short-circuit protection. It adopts vacuum arc extinguishing and integrates solid insulation technology, combining the interrupter, voltage sensor, and current sensor within the pole structure.

 

Designed for distribution automation, this intelligent recloser can detect transient and permanent faults, automatically isolate fault sections, and restore power in healthy zones. It supports local and remote control and communication with SCADA systems via protocols such as IEC 61850, making it ideal for modern smart grid environments.

Product parameters
Recloser Technical Parameters

 

No. Items Unit ZW32-27
1 Rated voltage kV 22
2 Maximum operating voltage (Nominal) kV 27
3 Rated current A 630/800A
4 Rated frequency Hz 50/60
5 Rated short-circuit making kA 12.5/16
6 Rated short-circuit breaking current kA 12.5/16
7 Rated short-time withstand kA 12(16)/3s
8 Rated peak withstand current kA 32.5/42
9 Rated operating sequence   0-0.3s-C0-180s-C0
10 Rated power-frequency withstand voltage (Dry/Wet) kV 60/1min
11 Auxiliary and control circuit kV 2/1min
12 Rated lightning impulse withstand voltage kV 125
13 Switch operations of rated
short-circuit breaking current
bout E2
14 Number of mechanical operations bout 10000
15 Resistance of main circuit μΩ ≤200
16 Protection class: tank   IP65
17 Insulating medium   Vacuum/Air
18 Standards GB1984, GB3804, GB3906,
IEC62271-100/105/200, IEC60265-1.

 

 

Control Technical Parameters

 

Rated voltage DC (V) 24
AC (V) 220
Rated frequency Hz 50/60
Setting value Short circuit fault Setting range of
phase current
A 20-1260
Ground fault Setting range of
zero sequence curren
A 0.1-20
Setting range of
zero sequence voltage
% 1-100
Settingrange of over voltage protection % 110-185
Settingrange of under voltage protection % 25-90
Weight kg 25
Size/Installation

Features

Three-phase solid insulated pole structure ensures safe and compact integration of primary components.

 

Fully enclosed design enhances moisture-proof and anti-condensation performance, suitable for cold and humid regions.

 

Current transformer (600:1 or 800:1) and capacitive voltage sensors (3.25V/√3) embedded for protection and measurement.

 

Permanent magnetic actuator offers long life and stable operation; spring mechanism provides backup.

 

Supports local manual or electric operation, and full remote control via intelligent controller.

 

IP65-rated housing made of outdoor epoxy resin and silicone, anti-UV and anti-aging.

 

Modular intelligent controller supports Linux OS, remote upgrades, fault diagnostics, and redundancy design.

Related Notes
Applications & Notes

 

Suitable for distribution networks in urban, rural, mountainous, coastal, and industrial areas, especially where reliability and automation are critical.

Widely used in feeder automation, sectionalizing, and user boundary switching, reducing outage duration and operation costs.

Operating temperature: -40℃ to +60℃

Altitude: ≤ 2,000m

Pollution level: Level III

Wind speed: ≤ 34m/s

Custom solutions available upon request for specific operating environments or system configurations.

 

 

Customized Solutions

 

The parameters listed above are standard references. If these styles do not fulfill your specific requirements, feel free to reach out to us for a bespoke design. With strong capabilities in personalized development and production, we offer tailored solutions to clients worldwide.

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Our certification team consists of 85+ engineers with more than 20 years of professional experience
24/7 Service. Average emergency response time is limited to less than 12 hours
Suitable for substations, industrial power grids, new energy projects and other demanding scenarios
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