Sakelar Pemutus Tegangan Tinggi Dalam Ruangan Putar GN30-12 12kV

Kategori Sakelar Pemutus Tegangan Tinggi, Sakelar Pembumian, Sakelar Pemutus Beban

GN30-12 rotary indoor high-voltage disconnect switch is designed for 12kV indoor AC distribution systems.

It provides reliable no-load isolation, compact installation, and safe operation for switchgear and substations.

Informasi Tambahan

Detail Produk:

The GN30-12 series indoor disconnect switch is a rotary-type isolating switch developed for indoor medium-voltage systems with rated voltage up to 12kV and frequency of 50/60Hz. It is mainly used for:

opening and closing no-load circuits,
providing visible isolation points,
ensuring maintenance safety,
grounding de-energized circuits (D type).

The switch can be installed:

independently,
inside high-voltage switchgear panels,
in RMU and distribution cabinets.

The GN30-12D version includes an additional grounding knife switch for enhanced operational safety.

Main Features

Rated voltage: 12kV
Rotary contact knife structure
Compact installation size
Strong insulation capability
Reliable visible isolation gap
Easy installation and adjustment
Optional grounding switch (GN30-12D)
Suitable for indoor switchgear systems
Stable mechanical and electrical performance

Spesifikasi Teknis

Item	Spesifikasi
Tegangan Pengenal	12kV
Maximum Voltage	12kV
Frekuensi yang dinilai	50/60Hz
Nilai Saat Ini	400A / 630A / 1000A / 1250A
Short-Time Withstand Current	12.5kA / 20kA / 31.5kA
Peak Withstand Current	31.5kA / 50kA / 80kA
Short-Circuit Duration	4s
Power Frequency Withstand Voltage	42kV
Lightning Impulse Withstand Voltage	75kV / 85kV
Mechanical Life	≥2000 operations
Installation Type	Indoor

Arti Model

Typical models include:

GN30-12/400-12.5
GN30-12/630-20
GN30-12/1000-31.5
GN30-12D/1250-31.5

Meaning:

GN = Indoor disconnect switch
30 = Design serial number
12 = Rated voltage (kV)
D = With grounding switch
400 / 630 / 1000 / 1250 = Rated current (A)
12.5 / 20 / 31.5 = Short-time withstand current (kA)

Kondisi Kerja

Ambient temperature: -10°C to +40°C
Altitude: ≤1000m
Relative humidity:
- Daily average ≤95%
- Monthly average ≤90%
Intensitas gempa: ≤8 derajat
Installation site should be free from:
- explosive materials,
- corrosive gases,
- severe dust,
- frequent violent vibration.

Aplikasi

Medium-voltage switchgear
Indoor substations
Ring main units (RMU)
Transformer isolation systems
Industrial power distribution
Electrical maintenance isolation

Product Advantages

Compact Rotary Design

The rotary blade structure minimizes installation space and is suitable for compact switchgear cabinets.

Reliable Isolation

Provides a clear visible disconnection point for maintenance safety.

Strong Insulation Performance

Designed for stable operation in medium-voltage indoor systems.

Easy Maintenance

Simple mechanical structure allows convenient installation and long-term maintenance.