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Brand Name : | Tianan Electric |
Model Number : | KYN28A-12 |
Certification : | GB3906,IEC298 (1990) |
Price : | Pending |
Payment Terms : | L/C, T/T, D/P, D/A, MoneyGram, Western Union |
Supply Ability : | 5000sets per year |
Delivery Time : | 45work days |
12KV Mid - Mount Electric Power Distribution AC Switchgear
Overview
KYN28A-12Seiries Indoor AC Metal Clad Switchgear / Cabinet. It is suitable for three-phase AC rated voltage 12KV, rated frequency 50Hz power system to receive and distribute the electrical energy and to control, protect and monitor the circuit.
Meet the standard: GB3906-97 3-35KV AC Metal-enclosed Switchgear, GB11022-89 High-voltage Switchgear General Technical Conditions, IEC298 (1990) AC Metal-enclosed Switchgear and Control Equipment With Rated Voltage Above 1kv and 50kv or Below .
Application
The 12KV withdrawable enclosed switchgear is mainly used in power plants, small- and mediumsized power generators, industrial and mining enterprises, and secondary substations of power system for power receiving, power transmission, and startup of large-sized high-voltage motor in order to implement control, protection, and monitor.
Parameter
No. | Item | unit | Parameter | |
1 | Rated voltage | KV | 12 | |
2 | Main busbar rated current | A | 630 | |
3 | Rated current | A | 630 | |
4 | Rated frequency | HZ | 50 | |
5 | Rated short-time withstand current | KA | 20 | |
6 | Rated short time continual time | S | 4 | |
7 | Rated peak withstand current | KA | 50/125 | |
8 | Rated short-circuit making current | KA | 50 | |
9 | Rated active load breaking current | A | 630 | |
10 | Rated closed loop breaking current | A | 630 | |
11 | Rated cable-charging breaking current | A | 10 | |
12 | The earthing switch rated | KA | 20 | |
13 | Grounding switch rated | S | 4 | |
14 | Grounding switch rated | KA | 50 | |
15 | Rating insulation level | 1min Power | KV | (phase to phase/ phase-to-ground) 42; |
lightning impulse | KV | (phase to phase/ phase-to-ground) 75; | ||
16 | major loop resistance | ≤400 | ||
17 | mechanical life | Load switch | time | 5000 |
Earthing switch | time | 2000 | ||
18 | subsidiary loop 1min Power | KV | 2 | |
19 | SF6 Rated Gas pressure | Mpa | 0.04 | |
20 | SF6 Gas annual Leakage rate | 1% | ||
21 | Protection grade | IP4X |
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