德国DOLD公司E.DOLD& Sohne .KG积累了70多年生产大楼控制器和继电器装置的经验。它是从一个小型生产机械传动开关和时间装置企业到现在生产高科技产品的大型企业。
DOLD创始人认识到质量的产品是市场需要这个重要性。为企业献身多年的雇员积累了怎样设计，怎样生产的丰富经验。

    DOLD能够生产对控制自动化和大楼工厂控制面板的创新产品。

    德国DOLD全系列继电器如：监控继电器:测量继电器,电压继电器,相序继电器,电流继电器,负载监控继电器,绝缘监控器，安全急停模块、监控器等等。
   型号举例如下：
OA5672.11/208  DC80V 12800Ω 10A 250VAC      Nr.0049115
OA5611.48/2500L1/61 DC85V 12100Ω 8A  250VAC Nr.0049076
OA5669.12/3095L1/61  DC12V 210Ω 8A 250V     Nr.0052285
OA5602.18/2007L1/61 10A 24V 250V 570Ω       Nr.0057385
OA5602.50/2033L1/61 10A 24V 250V 570Ω       Nr.0041165
OA5602.50/2037L1/61 10A 24V 250V 570Ω       Nr.0057792
OA5603.57/2213L1/61 10A DC24V AC250V 460Ω   Nr.0041602
OA5601.48/2123L1/61 10A DC24V AC250V 770Ω   Nr.0040690
OW5669.12/698/61 DC10V DC10V 8A 250V         Nr.0045443
BA7924.21 AC230V 0.3-3S                      Nr.0039705 
BN5930.48 DC24V                              Nr.0041438
BD5935.48/61 AC50/60HZ 230V                  Nr.0048717
BN3081.63/61  AC50/60HZ 230V                 Nr.0048701
BA9053/710 AC/DC80-230V AC0.5-5A  UH230V     Nr.0058330
LG5925.02 AC/DC24V                           Nr.0057272  
BD5980N.02                                   Nr.0035300
BD5980N.02/024 DC24V+AC50/60HZ 230V          Nr.0041428
BA9054/011 AC25-250V UH AC230V               Nr.0053681 
BA9043/002 AC50/60HZ 230/400V                Nr.0039121
AN9842.82/012 AC1-10A UHAC230V               Nr.0029025 
BA9053/010 AC0.1-1A AC110V 0-20S             Nr.0053114
BG5933.22 DC24V                              Nr.0049544 
BG5912.04/00000 DC24V                        Nr.0056402
LG3096.60 DC24V                              Nr.0056147 
BN3081.63/61 AC/DC24V                        Nr.0048700
BG5924.04/61 AC/DC24V                        Nr.0059339
BG5929.60/61 AC/DC24V                        Nr.0056182
MK9163N DC24V                                Nr.0055975
AD5992 AC50/60HZ 230V                        Nr.0032361
AD5988 AC50/60HZ 230V                        Nr.0032367
BA9038.11 AC50/60HZ 230V                     Nr.0026885 
BA9038.11/503 AC50/60HZ 230V                 Nr.0055407
BH5932.22/011 AC/DC24V                       Nr.0052781 
AI938.01                                     Nr.0001205
MK9151N.02 0.02-4.5M AC230V 0.2-20S          Nr.0058201 
BA7924.21/002/61 DC24V 1S                    Nr.0057519
BO5988.61/024/61 DC24V+AC230V                Nr.0048696 
BG5912.81/00000 DC24V Tv=0-3S                Nr.0056547
BH5911.03/00MF0 DC24V                        Nr.0055531
BH5914.08/00MF0 DC24V                        Nr.0056460
BG5914.08/00MF0 DC24V                        Nr.0056633 
BH5552                                       Nr.0056874
AA9837.12/032 10-30HZ UH DC24V               Nr.0045683
BH5928.93/61 AC/DC24V 1-10S                  Nr.0053814
ML7870.81 AC/DC24V+AC110-127V                Nr.0040345