上海工午电气有限公司是韩国龙声品牌的一级代理商。 YSC.YSNC,YSKC,YSKNC系列万能转换开关是韩国龙声电机株式会社，参照国内外的各种先进开关。为满足大，中型电力系统和其他各类工业控制系统的各种电气控制，信号，测量，同期，调节和试验等需要而研究开发并制造生产的，是提供国内外各种开关的最为理想的换代产品。
韩国龙声YONGSUNG产品主要涉及：凸轮开关类(万能转换开关)，（φ55型，手动复位B型，手动复位式，自动复位式，推拉式，同期型），带灯/带钥匙/小型凸轮开关，连锁继电器；φ16系列、φ22系列 按钮/急停按钮开关，带灯/急停带灯按钮开关，（灯泡型/LED型）（自动复位 /锁定型），指示灯，旋转开关，急停开关（按钮/带灯型）；控制用开关类，十字开关，辅助开关，脚踏开关，拨位开关，组合光字牌，方型LED指示灯，小型/控制/大容量中间继电器，双位置/闪光/小型/时间继电器，OR-4断电延时继电器，插座，水位自动调节开关，短路回路用/固定式/组合式端子排，控制盒，四角多极连结器，保险丝座，蜂鸣器，组合光字牌及报警装置，温度调节仪，AC，DC电压表/电流表，交流/直流用微动开关，行程开关，小型微动开关等，欢迎来电咨询！
韩国龙声（YONGSUNG）转换开关型号一览：
带灯转换开关：YSLNCA3101-E4AOBDD22 YSLNCA3105-E4AOBDAC（10A） 2101DC（20A） 2101带磁/不带磁AC（30A） 2101
特殊万转 YSSC6301-2（49）CKBL
1、YSCA（AC）10A
普通式YSCA9101（AC）10A YSCA2101（AC）10A YSCA3101（AC）10A YSCA4101（AC）10A
YSCA5101（AC）10A YSCA5101（AC）10A 5档全位置自动复位
YSCA6101（AC）10A YSCA6101（AC）10A COB型
拉出式 YSCA3101（AC）10A 只3档 推入式 YSCA5101（AC）10A 只5档
2、YSNCA（DC）20A 普通式 YSNCA2101（DC）20A 带磁/不带磁
拉出式 YSNCA3101（DC）20A 带磁/不带磁，只3档
推入式 YSNCA5101（DC）22A 带磁/不带磁，只5档
3、YSNCA（AC）30A普通式 YSNCA2101（AC）30A
YSLNCA3101-E4AOBDD22,YSKDNCA2708-79ML10,YSKDNCA2408-79ML10,YSKDNCA3101-54RG10B,
YSDNCA2104-59MO10B,YSKDNCA2409-79ML10,YSKCA2705-79ML,YSDNC2405-59MR10B,
YSLNCA3105-E4AOBD DC220V,YSKC2601-79ML,YSLNCA3102-E4AOBDD22,YSDNCA2104-59MO10B
拉出式 YSNCA3101（AC）30A 只3档 推入式 YSNCA5101（AC）30A 只5档
万能转换开关 CAM switch YSCA2201-69MOB AC10A YSCA2202-69MOB
YSCA2203-69MOB YSCA2204-69MOB YSCA2205-69MOB YSCA2206-69MOB
YSCA2207-69MOB YSCA2208-69MOB YSCA2209-69MOB YSCA2301-69MOB
YSCA2401-69MOB YSCA2402-69MOB YSCA2403-69MOB YSCA2501-69MOB
YSCA2502-69MOB YSCA2601-69MOB YSCA2701-69MOB YSCA2702-69MOB
YSCA2（12）1-69MOB YSCA3101-64AOB YSCA3102-64MOB YSCA3103-69MOB
YSCA3201-69MOB YSCA3202-64AOB YSCA3203-64AOB YSCA3204-69MOB
YSCA3205-69MOB YSCA3301-64AOB YSCA3302-64AOB YSCA3303-69MOB
YSCA3304-6（49）MOB YSCA3305-69MOB AC10AYSCA3306-64MOB YSCA3307-64AOB
YSCA3308-64MOB YSCA3309-64AOB YSCA3310-69MOB AC 10A YSCA3311-64MOB
YSCA3401-64MOB YSCA3402-64MOB YSCA3403-64MOB YSCA3404-64MOB
YSCA3405-64AOB YSCA3406-64AOB YSCA3406-64AOB YSCA3501-66MOB
YSCA3502-69MSB YSCA3503-64MOB YSCA3504-69MOB YSCA3505-64AOB
YSCA3506-64MOB YSCA3507-64MOB YSCA3601-64MOB YSCA3701-64MOB
YSCA3702-64MOB YSCA3901-64MOB YSCA3902-64MOB YSCA3（12）1-64MOB
YSCA3（12）2-64MOB YSCA4201-64MOB YSCA4202-64MOB YSCA4203-64MOB
YSCA4204-64MOB YSCA4205-64MOB AC 10AYSCA4206-64MOB YSCA4301-64MOB
YSCA4302-64MOB YSCA4303-64MOB YSCA4304-64MOB YSCA4401-64MOB
YSCA4501-64MOB YSCA4502-64MOB YSCA4601-64MOB YSCA4602-64（JA）OB AC 10A （手柄推进）
YSCA4701-64MOB AC 10A YSCA5201-64MOB YSCA5402-64MOB YSCA5501-64MOB
YSCA5601-64MOB YSCA5602-64MOB YSCA5801-64MOB YSCA5（12）1-64MOB
YSCA6201-6（49）COB YSCA6401-6（49）COB YSCA6501-6（49）COB
YSCA6601-6（49）COB YSCA6701-6（49）COB YSCA6702-6（49）COB
YSCA6801-6（49）COB YSCA6802-6（49）COB YSCA6803-6（49）COB
YSCA6901-6（49）COB YSCA6902-6（49）COB AC 10A YSCA6903-6（49）COB
YSNCA7301-64MOBD DC 20AYSC3301-64MOB AC 10A YSC3402-64MOB
YSC3602-64MOB YSC3602-69MOB YSC4210-64MOB YSC4211-64MOB
YSC4213-64MOB YSC4307-64MOB YSC4403-64MOB YSC7602-64MOB
YSC2203-69MOB YSC2204-69MOB YSC2205-69MOB YSC2206-69MOB
YSC2207-69MOB YSC2208-69MOB YSC2209-69MOB YSC2301-69MOB
YSC2401-69MOB YSC2402-69MOB YSC2403-69MOB YSC2501-69MOB
YSC2502-69MOB YSC2601-69MOB YSC2701-69MOB YSC2702-69MOB
YSC2（12）1-69MOB YSC3101-64AOB YSC3102-64MOB YSC3103-69MOB
YSC3201-69MOB YSC3202-64AOB YSC3203-64AOB YSC3204-69MOB
YSC3205-69MOB YSC3301-64AOB YSC3302-64AOB YSC3303-69MOB
YSC3304-6（49）MOB YSC3305-69MOB AC10A,YSC3306-64MOB YSC3307-64AOB
YSC3308-64MOB YSC3309-64AOB YSC3310-69MOB AC 10A YSCA3311-64MOB
YSC3401-64MOB YSC3402-64MOB YSC3403-64MOB YSC3404-64MOB
YSC3405-64AOB YSC3406-64AOB YSC3406-64AOB YSC3501-66MOB
YSC3502-69MSB YSC3503-64MOB YSC3504-69MOB YSC3505-64AOB
YSC3506-64MOB YSC3507-64MOB YSC3601-64MOB YSC3701-64MOB
YSC3702-64MOB YSC3901-64MOB YSC3902-64MOB YSCA3（12）1-64MOB
YSCA3（12）2-64MOB YSC4201-64MOB YSC4202-64MOB YSC4203-64MOB
YSC4204-64MOB YSC4205-64MOB AC 10AYSC4206-64MOB YSCA4301-64MOB
YSC4302-64MOB YSC4303-64MOB YSC4304-64MOB YSC4401-64MOB
YSC4501-64MOB YSC4502-64MOB YSC4601-64MOB YSC4602-64（JA）OB AC 10A （手柄推进）
YSC4701-64MOB AC 10A YSC5201-64MOB YSC5402-64MOB YSC5501-64MOB
YSC5601-64MOB YSC5602-64MOB YSC5801-64MOB YSC5（12）1-64MOB
YSCA6201-6（49）COB YSCA6401-6（49）COB YSCA6501-6（49）COB
YSCA6601-6（49）COB YSCA6701-6（49）COB YSCA6702-6（49）COB
YSCA6801-6（49）COB YSCA6802-6（49）COB YSCA6803-6（49）COB
YSCA6901-6（49）COB YSCA6902-6（49）COB AC 10A YSCA6903-6（49）COB
YSNC7301-64MOBD DC 20AYSC3301-64MOB AC 10A YSC3402-64MOB
YSC3602-64MOB YSC3602-69MOB YSC4210-64MOB YSC4211-64MOB
YSC4213-64MOB YSC4307-64MOB YSC4403-64MOB YSC7602-64MOB
