40.5KV Remote Control Indoor Vacuum Load Break Switch

 China 40.5KV Remote Control Indoor Vacuum Load Break Switch supplier

40.5KV Remote Control Indoor Vacuum Load Break Switch image

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Brand Name :
Suntech

Model Number :
FZ(R)N21-40.5

Certification :
ISO

Place of Origin :
Ningbo,China

MOQ :
1 Set

Price :
Negotiation

Payment Terms :
L/C, T/T, Western Union, MoneyGram

Supply Ability :
6000pcs per month

Delivery Time :
25-30 days after Payment

Packaging Details :
Exporting Cases

Name :
Alternating-Current Load Switch

Altitude :
Under 1000M

Ambient Temperature :
-40℃-+40℃

Usage :
Electrical Site

40.5KV Remote Control High Voltage AC Indoor Vacuum Load Break Switch

FZ(R)N21-40.5D indoor high-voltage ac vacuum load switch-fuse combination ( "combination" for short) is used in power systems with an AC frequency of 50 Hz and a rated voltage of 40.5 kV to break load currents, overload currents and short-circuit currents. It particularly applies to the places needing control, protection for oilfree, maintenance-free, frequently-operated and ring network power supply units and terminal power supply transformers.

The combination is characterized by large breaking capacity, high safety and stability, long electrical life, support for frequent operation, less maintenance, etc. It has an apparent isolating gap, an earthing switch with making capability, an electric spring actuator and remote control capability.

1.1 Technical parameters

ltem Unit Reference value
Rated voltage kV 40.5
Rated frequency Hz 50
Rated maximum current of the fuse A 63
Insulation level 1min power-frequency withstand voltage kV Vacuum gap, interpole, pole-to-ground: 95; isolating gap: 110
Lightning impulse withstand voltage kV Vacuum gap, interpole, pole-to-ground: 185; isolating gap: 215
Rated peak withstand current kA 50
4s rated short-time withstand current kA 20
Rated breaking current of the active load A 1250
Rated closed-loop breaking current A 1250
Rated breaking current of cable during charge A 21
Rated short-circuit breaking current kA 31.5
Rated transfer current A 1200
Fuse model XRNT3A-40.5/Δ-31.5
Output energy of the fuse striker J 2-5
Rated short-circuit making current kA 80(expected peak value)
Rated peak withstand current of the earthing switch kA 50
4s rated short-time withstand current of the earthing switch kA 20
Rated voltage (DC or AC) of the auxiliary circuit V 220;110
Mechanical life Cycles 10000

1.2 Technical parameters of the vacuum load switch

Item Unit Reference value
Gap of contacts mm 17±1
Compression travel of the contact spring mm 4±1
Average making speed m/s 0.6±0.2
Average breaking speed(gap: 6mm) m/s 1.5±0.2
Breaking time ms ≤60
Non-synchronous making/breaking of contacts of the three phases ms ≤2
Bounce time in contact making ms ≤3
Distance between live parts and phase-to-ground distance mm ≥300
Circuit resistance between the upper and lower brackets μΩ ≤80

Product standards

1. GB 16926- 1997 High-voltage alternatingcurrent load switch-fuse combinations

2. IEC 60420 High-voltage alteratingcurrent load switch-fuse combinations

Ambient condition

1. The altitude: under 1000M.

2. The ambient temperature: -40℃-+40℃.

3. The relative humidity of air: monthly≤90%, daily≤95%.

We are China 40.5KV Remote Control Indoor Vacuum Load Break Switch manufacture and supplier,You can get more details with Email,you will get cheap price or factory price.

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