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KYN550 小型化智能户内高压金属封闭开关设备
KYN550 miniaturized intelligent indoor high-voltage metal-enclosed switchgear
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概述
Overview
KYN550 小型化智能户内高压金属封闭开关设备是杭开电力公司小型化成套配电设备。具有防
止带负荷推拉断路器手车、防止误分、误合断路器、防止接地开关处在闭合位置时关合断路器、
防止误入带电隔室，防止在带电时误合接地开关的”五防“ 联锁功能，KYN550 可选配 VGV
真空断路器或 ABB、施耐德、西门子等合资品牌真空断路器。
KYN550 miniaturized intelligent indoor high-voltage metal-enclosed switchgear is a
small-scale complete power distribution equipment of Hangkai Power Company. It
has the function of preventing the push-pull circuit breaker with load, preventing mis-
separation, mismatching the circuit breaker, preventing the grounding switch from
closing the circuit breaker when it is in the closed position, preventing accidental entry
into the live compartment, and preventing the grounding switch from being misplaced
during charging. Anti-"interlock function, KYN550 can be equipped with VGV vacuum
circuit breaker or ABB, Schneider, Siemens and other joint venture brand vacuum
circuit breakers.
KYN550 的尺寸设计，为客户节省了大量的占地空间，主要用于商业及工业建筑地产、数据中
心及其他工业电网等变电场所。
The size design of KYN550 saves a lot of space for customers, mainly used in
commercial and industrial buildings, real estate, data centers and other industrial power
grid substation sites.
技术参数
Technical parameter
项目 单位 数值
Project Company Numerical value
额定电压
Rated voltage kV 12
额定频率 Hz 50
Rated frequency
额定工频耐受电压（1min） kV 42/48（断口）
Rated power frequency withstand voltage (1min)
额定雷电冲击耐受电压（峰值） kV 75/85（断口）
Rated lightning impulse withstand voltage (peak)
额定电流
Rated current A ≤ 1250
额定短时耐受电流（4S）
Rated short-time withstand current (4S) kA ≤ 31.51)
额定峰值耐受电流（峰值）
Rated peak withstand current (peak) kA ≤ 80
主回路电阻 μΩ ≤ 100+CT2)
Main circuit resistance
外壳 IP4X
防护等级 Switchgear cabinet
Protection grade 断路器室门打开 IP2X
Opening of circuit breaker room door
注：1）电流互感器的额定短时耐受电流和额定峰值耐受电流与其变比有关，在订货时需作具体确认。
2）包含电流互感器的直流电阻。
Note: 1) The rated short -term endurance current and the rated peak endurance current of the current transformer
are related to the ratio of the current transformer to the current transformer.
2) DC resistance including current transformer.
Jiangsu Hangkai》12 追求卓越是理想，顾客满意是宗旨
