Zhejiang Donghua Electrical Appliance Co., Ltd.
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GN27‑40.5 Indoor High Voltage Disconnector | 40.5kV Rotary Multi‑contact Disconnector

GN27‑40.5 Indoor High Voltage Disconnector | 40.5kV Rotary Multi‑contact Disconnector
GN30‑12 Indoor Rotary High Voltage Disconnector | 12kV Rotary‑blade Disconnector

GN30‑12 Indoor Rotary High Voltage Disconnector | 12kV Rotary‑blade Disconnector
GNF38‑12‑630A Indoor High Voltage Disconnector | 12kV Three‑Position Disconnector

GNF38‑12‑630A Indoor High Voltage Disconnector | 12kV Three‑Position Disconnector
JN15‑12/31.5 Indoor High‑Voltage Earthing Switch

JN15‑12/31.5 Indoor High‑Voltage Earthing Switch
JN22‑40.5‑31.5 Indoor High‑Voltage Earthing Switch

JN22‑40.5‑31.5 Indoor High‑Voltage Earthing Switch
VEF(R)-12 Draw‑out Type Indoor Vacuum Load Switch (Fuse‑Combination Unit)

VEF(R)-12 Draw‑out Type Indoor Vacuum Load Switch (Fuse‑Combination Unit)
VYF-12GD Three-position Combined Vacuum Circuit Breaker | 12kV Indoor Vacuum Circuit Breaker with Disconnector & Earthing Switch

VYF-12GD Three-position Combined Vacuum Circuit Breaker | 12kV Indoor Vacuum Circuit Breaker with Disconnector & Earthing Switch
VZG5 Indoor High-Voltage Vacuum Circuit Breaker | 12kV 24kV 40.5kV VCB

VZG5 Indoor High-Voltage Vacuum Circuit Breaker | 12kV 24kV 40.5kV VCB
ZN23-40.5-1600-25 Indoor High-Voltage AC Vacuum Circuit Breaker

ZN23-40.5-1600-25 Indoor High-Voltage AC Vacuum Circuit Breaker
ZN28‑12 Indoor High‑Voltage AC Vacuum Circuit Breaker

ZN28‑12 Indoor High‑Voltage AC Vacuum Circuit Breaker
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JN15‑12/31.5 Indoor High‑Voltage Earthing Switch

JN15‑12 indoor high‑voltage earthing switch complies with GB 1985‑89 High‑voltage alternating‑current disconnectors and earthing switches and IEC 129 standards. It is suitable for AC 50 Hz power systems with rated voltage up to 12 kV. It can be fitted with various types of high‑voltage switch cabinets for earthing protection purposes.

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    Outline and Installation Dimension Drawing
    Outline & Installation Dimensions

    Environmental Conditions

    1. Altitude: not exceeding 1000 m.
    2. Ambient air temperature: upper limit +40 °C, lower limit -10 °C.
    3. Allowed for storage and transportation at up to +30 °C.
    4. Seismic intensity: not exceeding Grade 8.
    5. No flammable, explosive hazards, heavy dust, chemical‑corrosive substances or severe vibration at the installation site.