KYN28A-12 armored metal-enclosed switchgear
KYN28A-12 type indoor AC metal-clad medium voltage switchgear. It is suitable for three-phase AC rated voltage of 12kV and rated frequency of 50Hz power systems, used for receiving and distributing electrical energy, as well as controlling, protecting, and monitoring the circuit.
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Jiangxi Ganzhong Transformer Co., Ltd
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KYN28A-12 indoor AC metal-clad medium voltage switchgear. It is suitable for three-phase AC rated voltage of 12kV and rated frequency of 50Hz power systems, used for receiving and distributing electrical energy and implementing control, protection, and monitoring of circuits.
This product complies with the requirements of GB3906 "3~35kV AC metal-enclosed switchgear", GB/T11022 "Common technical requirements for high-voltage switchgear and controlgear standards", IEC60298 "AC metal-enclosed switchgear and controlgear with rated voltage above 1kV and up to 52kV", and DL/T404 "Technical conditions for indoor AC high-voltage switchgear" standards.
Model Meaning
Technical Parameters of Switchgear
| Item | Unit | Parameter | |||
| Rated Voltage | kV | 3.6, 7.2, 12 | |||
| Rated Frequency | Hz | 50 | |||
| Rated Current of Circuit Breaker | A | 630, 1250, 1600, 2000, 2500, 3150 | |||
| Rated Current of Switchgear | A | 630, 1250, 1600, 2000, 2500, 3150 | |||
| Rated Dynamic Stability Current (4s) | kA | 16, 20, 25, 31.5, 40, 50 | |||
| Rated Steady Current (Peak) | kA | 40, 50, 63, 80, 100, 125 | |||
| Rated Short-Circuit Breaking Current | kA | 16, 20, 25, 31.5, 40, 50 | |||
| Rated Short-Circuit Closing Current (Peak) | kA | 40, 50, 63, 80, 100, 125 | |||
| Rated Insulation Level | 1min Power Frequency Withstand Voltage | kV | 24 | 32 | 42 |
| Lightning Impulse Withstand Voltage | 40 | 60 | 75 | ||
| Protection Level | Shell IP4X, isolation chamber, IP2X when the circuit breaker room door is open. | ||||
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Jiangxi Ganzhong Transformer Co., Ltd.
Address: No.2, Xingzhou Road, Xingan County, Ji'an City, Jiangxi Province
Telephone:0796-2805958
Email：2253761828@qq.com
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