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Rotary disconnect switch GW13
high-voltageACoutdoor

Rotary disconnect switch - GW13 - Sieyuan Electric Co., Ltd - high-voltage / AC / outdoor
Rotary disconnect switch - GW13 - Sieyuan Electric Co., Ltd - high-voltage / AC / outdoor
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Characteristics

Type
rotary
Voltage level
high-voltage
Electrical characteristics
AC
Other characteristics
outdoor
Primary current

Max.: 4,000 A

Min.: 0 A

VAC

Max.: 126,000 V

Min.: 40,500 V

Description

Overview
GW13 is a V-type rotary outdoor high-voltage disconnector dedicated for neutral points. Rated voltages available: 40.5 kV, 72.5 kV and 126 kV.

Features
  • Conductive material & current-carrying performance: Conductive arms use slot-shaped aluminum-alloy profiles with anodized surface treatment to provide high conductivity, corrosion resistance and heat dissipation; conductive arms support a maximum rated current of 4000 A and short-time withstand current up to 50 kA.
  • Novel contact structure: Self-energized contact fingers made of chrome-bronze alloy use elastic deformation to clamp the contact blade; designed to meet rated current requirements, withstand short-term thermal loads and electromagnetic forces during short-circuit events, and offer superior mechanical wear resistance.
  • Lightweight operation: Monobloc cast bearing housing combined with a linkage mechanism and an internal combined-support bearing structure enables low operating torque and reliable rotation.
  • Maintenance-free transmission: Transmission system designed for maintenance-free operation; self-lubricating bushings and stainless-steel pins prevent binding of rotating components.


Technical specifications
  • Model: GW13
  • Type: V-type rotary outdoor high-voltage disconnector dedicated for neutral points
  • Rated voltages: 40.5 kV; 72.5 kV; 126 kV
  • Rated frequency: 50/60 Hz
  • Rated normal current: up to 1600 A
  • Maximum rated current (conductive arms): 4000 A (supports short-time withstand current up to 50 kA)
  • Rated short-time withstand current: 25 kA, 40 kA
  • Rated peak withstand current: 63 kA, 100 kA
  • Operating temperature range: -50 °C to +55 °C
  • Ice coating tolerance: 20 mm
  • Seismic resistance: up to 1.0 g
  • Contact material: chrome-bronze alloy (self-energized contact fingers)
  • Conductive arm material: slot-shaped aluminum-alloy profiles with anodized surface
  • Transmission: maintenance-free with self-lubricating bushings and stainless-steel pins

Catalogs

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Transmission and Transformation

*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.
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