Home > Products > HV Switch/DS/LBS/ES > FZN21-12/T630-20 12kV Load isolating break switch
FZN21-12/T630-20 12kV Load isolating break switch
- 2000 Set / Sets per Month
- Shanghai&Ningbo
- T/T Credit Card
Product Details
Place of Origin: | Zhejiang, China | Brand Name: | ghorit | Model Number: | FZN21-12/T630-20&FZN21-12(R)D/T125-31.5 |
Type: | Other, high voltage load switches | Poles Number: | 3 |
Product Description
FN21-12/T630-20 and FZN21-12(R)D/T125-31.5 type Indoor AC high voltage load switch- fuse combination units appliances for three-phase AC 10kV, 50Hz power system, or with the complete power distribution equipment and loop-network switch cabinet , combined substation and other ancillary uses, is widely used in urban network construction and transformation engineering, industrial and mining enterprises, high-rise buildings and public facilities ,can be used as ring power supply unit or terminal equipment, play power distribution, control and protection. Technical performance of the products meet the IEC publication 60265-1/FDIS<<high voltage switches, Part 1: Rated voltages below 1kV over 52kV high voltage load switch>>, IEC60420<<High Voltage AC load switch – fuse combination units>>; and CB16926<<AC High-voltage load switch - fuse combination units>>, GB3804<<3-63kV AC high voltage switches>>requirement.
This product has a breaking capacity, safety and reliability, long life, can operate frequent, compact structure, small size, light weight, the basic no need to maintain. Breaking with rated current, overload current (FZRN21-12D/T125-31.5 can short-circuit breaking current) and to prevent equipment missing running ability to switch a visible fracture of isolation, with combined installed capacity of the ground with the relevant switches and electrical spring agencies, to remote control.
Mainly Technical parameters
No | Item | Unit | Value | ||
1 | Rated voltage | kV | 12 | ||
2 | Rated frequency | Hz | 50 | ||
3 | Rated current | A | 630 | 125 | |
4 | Rated insulation level | 1min power frequency withstand voltage | kV | Arc-quenching chamber fracture 30 | |
(effective value) | Earth , phase 42, insulating fracture 48 | ||||
Lightning impulse withstand voltage (peak) | Earth , phase 75, insulating fracture 85 | ||||
5 | Rated dynamic current (peak) | kA | 50 |
| |
6 | 4S thermal current | kA | 20 |
| |
7 | Rated power load breaking current | A | 630 |
| |
8 | Rated closed-loop breaking current | A | 630 |
| |
9 | Rated cable charge breaking current | A | 10 |
| |
10 | Rated breaking no-load transformer capacity | KVA | 1250 | ||
11 | Rated breaking AC current | A | 3150 | ||
12 | Rated short-circuit closed current | kA | 50 | ||
13 | Rated current breaking times | times | 2000 | ||
14 | Mechanical life | times | 10000 | ||
15 | Permitted wear-thickness of vacuum arc-quenching chamber contact | mm | 2 | ||
16 | Manual operating torque | Nm | >200 |
Contact Us
- Ghorit Electrical Co., Ltd.
- Contact nameLingfen Bao
- Phone86-577-55771572
- AddressXinguang Industrial Zone, Liushi Town, Yueqing
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