12kV Indoor Vacuum Load Switch FZRN61
The FZRN61indoor vacuum disconnect load switch is a maintenance-free integrated high-voltage electrical appliance, suitable for 3.6-12kV, 50Hz three-phase power distribution systems, and is widely used in ring main units, transformer substations, and switching stations. The product integrates a disconnect switch, vacuum load switch, fuse, and grounding switch into one compact structure (width ≤299mm), with a maximum rated current of 1250A, capable of protecting a 2000kVA transformer.Multiple current schemes are available.
Product Details
Feature
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- High Integration: The switch integrates the functions of a disconnector, vacuum load switch, and grounding switch.
- High Safety: High-performance vacuum arc extinguishing system, equipped with complete interlocking and five-proof mechanisms.
- Compact Size: The switch can fit into cabinets up to 550mm wide, allowing installation in smaller spaces.
- Visualized Break: Rotary isolation function, the opening operation process is visible, preventing accidental operation.
- Higher Current Capacity: Rated current up to 1250A, suitable for protecting 2000kVA transformer equipment.
- Long Service Life: Utilizes high-quality insulation materials, with a mechanical life of up to 10,000 cycles, requiring no long-term maintenance.
Usage condition
- Ambient temperature: -25°C ± 40°C
- Relative humidity: Daily average ≤95%, monthly average ≤90%
- Poster height: Not exceeding 1000m
- Seismic intensity: Not exceeding 8 degrees
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Usage location: Free from explosion hazards, chemicals, severe vibrations, and pollution.
For customizing any other special sizes, please contact our salesman for more information.NO
Name
Unit
Data
1 Rated Voltage
kV
12
2 Rated Frequency
Hz
50
3 Rated Current
A
200/630/1250
4 Disconnecting unloaded transformers
kVA
2000
5 Rated short-circuit breaking current
kA
20/31.5 6 Size
mm
1040×950×380
7 Weight
KG
120
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