YONGSUNG（龙声）大容量中间继电器  
YSPR25-2PA024A YSPR25-2PA024D
YSPR25-2PC024A YSPR25-2PC024D   
YONGSUNG（龙声）双位置继电器
YSMMK-4PC-024A YSMMK-4PC-024D
YSMMK-4PB-024A YSMMK-4PB-024D
YSMMK-3PC-110D
YSMMK-4PC-110D   
YONGSUNG（龙声）继电器座   
YSSK08 YSSK11 YSSK08-F YSSK14-K   
YONGSUNG（龙声）OR-4 断电延时继电器  YSOR-ALL-42-00S
YONGSUNG（龙声）时间继电器  
YSLT-AOO-11-01S YSLT-AOO-11-03M
YSLT-AOO-11-03H YSLT-D24-10-01S
YSLT-D24-10-03M YSLT-D11-10-01S
YSLT-AOO-12-60S YSLT-AOO-10-60S
YSLT-D11-10-30S YSLT-AOO-31-01S
YSLT-AOO-31-03M YSLT-AOO-31-03H 
YSLT-AOO-41-03M YSLT-AOO-41-03H
YSLT-D24-40-01S YSLT-D24-40-03M
YSLT-AOO-41-01S  
YONGSUNG（龙声）Y-△启动器   
YSYT-A11-13-06S  YSYT-A22-13-06S   
YONGSUNG（龙声）小型时间继电器  
YSST-A11-M2-06S YSST-A22-M2-03S
YSST-D11-M2-06S YSST-A11-M4-03S
YSST-A22-M4-03S YSST-A22-M4-01S
YSST-A22-M4-06S YSST-A22-M4-03M
YSST-D11-M4-06S YSST-D12-M4-30S   
YONGSUNG（龙声）闪光时间继电器   
YSFT-AOO-10-06S YSFT-AOO-10-03M
YSLT-D24-10-06S YSLT-D24-10-03M
YSLT-D11-10-06S YSLT-D11-10-03M
YSLT-D12-10-06S   
YONGSUNG（龙声）OFF 时间继电器  
YSOT-AOO-10-03S YSOT-D11-10-03S
YSOT-AOO-10-03M YSOT-AOO-140-01S