Gold Member Since 2005
Audited Supplier
Ningbo Tianan Group Co., Ltd.

Load switch, breaker, vacuum load switch manufacturer / supplier in China, offering FT8 - 12/24 Series indoor AC high voltage vacuum load switch, load switch - fuse combinations, 110KV Three-Phase Oil Immersed Power Transformer, Emergency Power Transmission Distribution Movable Transformer Substation / 35kv~132kv Prefabricated Mobile Substation and so on.

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Supplier Homepage Product HV-Load Switch FT8 - 12/24 Series indoor AC high voltage vacuum load switch, load switch - fuse combinations

FT8 - 12/24 Series indoor AC high voltage vacuum load switch, load switch - fuse combinations

Purchase Qty.:
100-499 500+
FOB Unit Price: US $200 US $180
Purchase Qty. (Pieces) FOB Unit Price
100-499 US $200
500+ US $180
Get Latest Price
Production Capacity: 5000 Set / Year
Transport Package: Expert Standard
Payment Terms: L/C, T/T, D/P, Paypal

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Basic Info
  • Model NO.: FT8 - 12/24
  • Structure: Three-column Disconnector
  • Operation: Manual
  • Movement Mode: Vertical Rotary Type
  • Grounding: Single Ground
  • Run: Plug-In
  • Common Model: FT8 - 12/24
  • Certification: ISO, IS9001, ISO9001, ISO9002
  • Rated volatge: 12 / 24 KV
  • Rated short-circuit current: 50KA
  • Trademark: Tianan Electric
  • Type: High-voltage
  • Installation: Indoor High-voltage
  • Grounding Mode: Grounding
  • Number of Poles: Three Pole
  • Series: Three
  • Switching Mode: Single Throw-in
  • Structure of Operating: Manual
  • Brand: Tianan Electric
  • Rated current: 630A
  • Types: FT8 - 12/24
  • Specification: IEC
Product Description
FT8 - 12/24 Series indoor AC high voltage vacuum load switch, load switch - fuse combinations
1. Product Description
        FT8 - 12 (24)Type indoor AC high voltage load switch and within FT8 -12 R / 125-31.5 type indoor AC vacuum load switch - fuse combination is my factory to meet user needs from its own research and development. Performance to GB3804 "3 ~ 63KV AC high voltage load switch" and GB16926-97 "AC high voltage load switch - fuse combinations" international standards.
        Products with chain simple and reliable, compact structure, when the cabinet with safe, reliable, lower volume, beautiful appearance, stable performance, safe and reliable breaking, frequent operation and other advantages, it also has a dual-manual and electric operating functions and operations easy and intuitive, low operating force, to prevent misuse and more reliable. Load switch - fuse combination also protects transformer overload, prevent equipment missing running function.
2. Model meaning:
F T 8 - 12(24) R/ 630 - S ( J )
F: Indoor Switches
T: Tianan Electric
8: design number
12 (24): Rated voltage (kV)
R: fuse
630: Rated current
S: manual operation (generally not indicated)
J: electric (including manual)
3. Structure Introduction
        In the distribution cabinet design, make the room above and below the bus cable compartment through a grounded metal undercarriage divided into two compartment, so after opening above the disconnecting switch, to ensure the safety inspection when the cable compartment.
        Having dual manual and electric operating functions and operating a small force.
        Mis interlock integrated actuator box, simple and reliable.
        Small size, light weight, compact structure.
        Vacuum interrupter placed in the insulating sleeve, greatly reducing the dust accumulate on the surface of the interrupter, the interrupter can also prevent the impact of various external factors.
        Vacuum interrupter using side-mounted, reasonable and novel structure, beautiful appearance.
Hotels cabinet easy to install.

4. The main technical parameters
1Rated voltagekV1224
2Rated currentA630
3Rated frequencyHz50
4Rated active load breaking currentA630
5Rated breaking current loopA630
65% rated active load breaking currentA31.5
7Rated cable charging breaking currentA10
8Rated single capacitor bank breaking currentA630
9Rated back to back capacitor bank breaking currentA400
10Rated no-load transformer breaking current
Transformer no-load current
111 min power frequency withstand voltage (rms) to ground, interphase, vacuum fracture / isolation fracturekV42/4865/79
12Auxiliary circuit power frequency withstand voltage 1 minkV2
13Full prey electrical impulse withstand voltage (peak) to ground, interphase vacuum fracture / isolation fracturekV75/85125/145
144s rated short time withstand currentkA20, 25, 31.5
15Rated peak withstand currentkA50, 63, 80
16Rated short-circuit currentkA50, 63, 80
17Mechanical lifetime10000
18Motor operating power voltageVAC 220, DC 220
AC 110, DC 110
19Closing motor currentA0.5
20Tripping currentA2.5

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