KYN28A-12 armored metal-enclosed switchgear
KYN28A-12 armored metal-enclosed switchgear

MengziKYN28A-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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MengziHigh and low voltage complete series

Tel: 0391-6675009

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Product Description

　　Product Overview

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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