The GN19-12M/630 is a specialized indoor high voltage isolating switch equipped with an integrated mounting panel. Designed for power systems with a rated voltage of 12kV (commonly used in 11kV networks), it provides a secure visible break for maintenance. The “M” series is specifically engineered for easier installation on switchgear frames, reducing labor time and ensuring precise alignment of the operating mechanism.
Technical Specifications
| Parameter | Value |
|---|---|
| Rated Voltage | 12kV |
| Rated Current | 630A |
| Power Frequency Withstand | 42kV (1 min) |
| Lightning Impulse Withstand | 75kV (BIL) |
| Rated Short-Time Current | 20kA / 3s |
| Peak Withstand Current | 50kA |
| Mechanical Endurance | ≥ 2000 operations |
| Installation | Horizontal/vertical |
| Operating Mechanism | Manual |
| Compliance Standards | GB1985, IEC 62271-102 |
Standards & Certifications
GB1985 – High-voltage AC disconnectors and earthing switches
IEC 62271-102 – High-voltage switchgear and controlgear
ISO 9001, ISO 14001, ISO 45001 certified
CE-compliant, complete type test documentation available
Application Scenarios
12kV indoor switchgear cabinets (KYN28, XGN15, HXGN)
Transformer incoming/outgoing switch
Load isolation in ring main units (RMUs)
Medium-voltage panel rooms in substations or factories
Isolator switch with earthing for transformer protection
