ZW32-40.5kV Outdoor Pole Mounted Vacuum Auto Recloser

  • Vacuum Arc Extinguishing:Reliable vacuum interrupter for safe high-voltage switching
  • Standard Compliance:Conforms to GB 1984 and IEC 60056 standards
  • Integrated Sensors:Embedded voltage and current sensors within solid insulated pole
  • Intelligent Control:Supports IEC 61850 protocol and remote communication (GPRS)
  • Permanent Magnet Mechanism:Maintenance-free, 30,000+ switching operations with spring backup
  • Sealed Weatherproof Design:IP65 protection, resistant to moisture, UV, and salt spray
  • Automatic Fault Management:Detects transient faults and isolates permanent faults automatically
Describe Display

The ZW32-40.5kV outdoor vacuum recloser is a three-phase AC 50/60Hz high-voltage switchgear designed for medium-voltage power distribution systems in urban and rural areas. It can automatically detect and clear transient faults such as lightning or temporary line contact, while isolating permanent faults to maintain network stability and reduce outage areas. This ensures continuous power supply and reduces operational costs by minimizing on-site maintenance.

 

Equipped with advanced solid insulation technology, the recloser integrates vacuum interrupters and multiple sensors within an epoxy resin and silicone rubber insulated pole. The intelligent controller, compliant with IEC 61850, enables remote monitoring, control, and automation, making it an essential device for modern smart grid applications.

Product parameters
Recloser Technical Parameters

 

No. Items Unit ZW32-40.5
1 Rated voltage kV 40.5
2 Maximum operating voltage (Nominal) kV 40.5
3 Rated current A 800/1250
4 Rated frequency Hz 50/60
5 Rated short-circuit making kA 16/25
6 Rated short-circuit breaking current kA 16/25
7 Rated short-time withstand kA 12(16)/3s
8 Rated peak withstand current kA 32.5/50
9 Rated operating sequence   0-0.3s-C0-180s-C0
10 Rated power-frequency withstand voltage (Dry/Wet) kV 70/1min
11 Auxiliary and control circuit kV 2/1min
12 Rated lightning impulse withstand voltage kV 190
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 pillar design ensures safe, stable, and explosion-free operation.

 

Vacuum interrupter and current transformers housed in outdoor epoxy resin with silicone coating for excellent weather resistance.

 

Permanent magnet mechanism combined with spring backup ensures reliable opening and closing even in power loss scenarios.

 

Integrated sensors provide precise voltage and current data for protection and control.

 

Controller supports modular software with real-time Linux OS, offering plug-and-play flexibility and strong fault tolerance.

 

Communication interfaces support local and remote operation with lightning and electromagnetic interference protection.

Related Notes
Additional Notes

 

Operating conditions: ambient temperature -40°C to +60°C; altitude up to 2000m; withstands dust, corrosive gases, salt spray, and winds up to 34m/s.

Pollution level: III; custom designs available on request to meet special requirements.

Suitable for coastal and polluted environments, ensuring reliable performance in challenging conditions.

 

 

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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