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Armored open metal sealing switchgear
KYN28-12 铠装开移式金属封闭开关设备

结构特点 /Structural features

开关设备结构见下图。全金属模块化组装式结构，柜体采用防腐蚀能力强的进口敷铝锌板制造，无需表面处理，经 CNC 高精度设备加工，采用先进的多重
折边工艺，连接用拉铆螺母、高强度螺栓连接，精度高、重量轻、强度好。
开关设备可配装本公司生产的VS1系列、VD4系列、ZN65系列等真空断路器，适应性广，互换性强。手车设有工作位置，试验位置，各位置均有定位和显示装置，
安全可靠。
电缆室可装多达 9 根单芯电缆，设备有可靠的机械、电气联锁装置，完全满足“五防”要求。各室设有泄压通道，确保运行人身安全。
The structure of the switchgear is shown in the figure below. All-metal modular assembly structure, the cabinet is made of imported aluminum-
zinc plate with strong anti-corrosion ability, no surface treatment, CNC high-precision equipment processing, advanced multi-folding technology,
connecting rivet nut, high strength Bolted, high precision, light weight and good strength.
Switching equipment can be equipped with vacuum circuit breakers such as VS1 series, VD4 series and ZN65 series produced by our company. It has
wide adaptability and strong interchangeability. The handcart has a working position, a test position, and a positioning and display device at each
position, which is safe and reliable.
The cable room can hold up to 9 single-core cables. The equipment has reliable mechanical and electrical interlocking devices, which fully meet the
requirements of “five-proof”. Each room is equipped with a pressure relief passage to ensure personal safety.

主要技术参数 /The main technical parameters

项目 Project 单位 Unit 参数 parameter
额定电压 Rated voltage kV 3.6、7.2、12
额定频率 Rated frequency Hz 50
断路器额定电流 Circuit breaker rated current A 630、1250、1600、2000、2500、3150
开关设备额定电流 Switching device rated current A 630、1250、1600、2000、2500、3150
额定短时耐受电流 (4S)Rated short time withstand current (4S) kA 20、25、31.5、40
额定峰值耐受电流 ( 峰值 )Rated peak withstand current (peak) kA 50、63、80、100
额定短路开断电流 Rated short circuit breaking current kA 20、25、31.5、40
额定短路关合电流 ( 峰值 )Rated short-circuit closing current (peak) kA 50、63、80、100
极间、极对地间
额定绝缘水平 1min 工频耐受电压 Pole to pole spaceground kV 24、32、42
Rated insulation level 1min power
frequency withstand voltage 断口间 kV 24、32、42
Break between
极间、极对地间
雷电冲击耐受电压 ( 峰值 ) Pole to pole spaceground kV 40、60、75
Lightning impulse withstand
voltage (peak) 断口间 kV 46、70、85
Break between
外壳为 IP4X，隔室间、断路器室门打开时为 IP2X。
防护等级 Protection class The enclosure is IP4X, compartment, and the circuit breaker
compartment door is open for IP2X.

操作机构技术参数

项目 Project 单位 Unit 参数 parameter
额定操作电压 合闸线圈 Closing coil V AC/DC220，110
Rated operating voltage 分闸线圈 Opening coil V AC/DC220，110

线圈功率 合闸线圈 Closing coil W 245
Coil power 分闸线圈 Opening coil W 245

储能电机功率 Energy storage motor power W 50
储能电机额定电压 Rated voltage of energy storage motor V AC/DC220，110
储能时间 Energy storage time s ≤ 10

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