Page 97 - 青岛特变电工有限公司

低压开关柜系列
Low-Voltage Switchgear Series 青 岛 特 变

结构特征 / Structure
箱体结构分立式和卧式，外壳采用 2mm 优质不镑钢板经多重折边工 Discrete and horizontal box structure, the shell is made of high-quality non-
艺弯制 ( 或采用蜂窝结构的不锈钢双夹层复合板，具有阻燃、环保、 pound 2mm steel plate bending multi-fold process (or the use of honeycomb
隔热、防凝露等性能 )，采用特殊不锈钢焊接工艺，箱体成型后整体 sandwich structure of stainless steel double-composite panels, flame retardant,
environmental protection, thermal insulation, anti-condensation properties ),
强度高，表面光洁如镜，不留焊缝痕迹；内部安装梁 ( 板 ) 为热镀锌 using a special stainless steel welding technology, high overall strength after
工艺处理，确保二十年内不锈蚀；箱体前后开门，便于用户操作和检修， forming the cabinet, the surface smooth as a mirror, leaving no trace of the
门四周镶有高 弹力耐老化密封胶条，每扇门均装有明暗两种门锁，明 weld; internal mounting beam (board) for the hot dip galvanizing process,
锁配有防堵防锈的遮雨罩；计量室全封闭带铅封装置；箱体侧面装有 to ensure that twenty years does not rust; front casing open, user-friendly
防雨防异物的进线电缆穿管，底部冲有通风孔和电缆出线孔，顶部设 operation and maintenance, high elastic around the door inlaid with anti-aging
sealing strip, are equipped with every shade of two door locks, Ming lock with
有通风道和丝网，具有防水、防锈、防尘、防异物的功能，防护等级： attempts to prevent rust storm hood; closed with a metering chamber seal
IP54。 means; incoming cable box side with rain preventing foreign bodies through
the tube, the bottom punch ventilation holes and cable entry hole, top with
a duct and screen, waterproof, rust, dust, foreign body functions, protection
class: IP54.

技术参数 / Technical Parameter

名称 Name 单位 Unit 参数 Parameter

变压器容量 Transformer capacity KVA 30-400
额定工作电压 Rated working voltage V AC400
辅助回路工作电压 Operating voltage auxiliary circuit V AC220，AC380
额定频率 Rated frequency Hz 50

额定电流 Rated current A ≤ 630
额定漏电动作电流 Rated leakage current mA 30~300 可调 Adjustable
防护等级 Protection class IP54

箱体结构示意图 / Case structure diagram

1、进线电缆穿管 1, into the cable through the tube
2、门锁 ( 明锁 ) 2, door locks (Ming lock)
3、门锁防雨盒 3, box locks rain
4、门锁 ( 暗锁 ) 4, door locks (Mortice)
5、电流互感器 5, the current transformer )
6、计量表 6 meter
7、接线盒 7, the junction box
8、电容器 8, the capacitor
9、切换电容接触器 9, the switched capacitor contactors
10、小型断路器 10, small circuit breakers - 8
11、隔离开关 11, isolation switch
12、零序互感器 12, zero sequence transformer 图一：户外箱结构示意图 ( 卧式 )
Figure 1: Schematic outdoor box (horizontal)
13、漏电继电器 13, leakage relay
14、出线交流接触器 14, outlet AC contactor
15、出线空气开关 15, outlet air switch

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