德國DOLD公司E.DOLD& Sohne .KG積累了70多年生產大樓控制器和繼電器裝置的經驗。它是從一個小型生產機械傳動開關和時間裝置企業到現在生產高科技產品的大型企業。DOLD創始人認識到質量的產品是市場需要這個重要性。為企業獻身多年的雇員積累了怎樣設計，怎樣生產的豐富經驗。

型號舉例如下：
不對稱繼電器 BA9040電壓繼電器  BA9054相位檢測器BD9080負載檢測器 BA9067頻率繼電器 BA9837負載傳送器 BA9068保護繼電器 BA9038電流繼電器 MK9053N電壓繼電器 BA9054N相序繼電器 MK9056N絕緣監測器 MK5880N保護繼電器 MK9163N水平感覺繼電器 MK9151N多功能繼電器 MK7850/200低壓繼電器 IK9171低壓繼電器 IK9071低壓過壓繼電器 IK9077過流繼電器 IK9270過流低流繼電器 IL9277調節繼電器 IL9086電熱調節電動機 IL9163溫度監測器 IK9094急停模塊 LG5924急停模塊 LG5925急停模塊 BG5924急停模塊 BG5925急停模塊 BL5931急停模塊 BH5928**門檢測器 BD5985N速度運行檢測器 BH5932發光保護模塊 BG5925-900**模塊 BG5925-910雙手**斷電器 LG5933雙手**模塊 BG5933延時模塊 BG7925延時模塊 BG7926擴展模塊 LG5929低壓繼電器 SL9071過流繼電器 SK9270絕緣監測器 SP5580錯誤報告器 SL5990/SL5991軟起動裝置 SL9017多功能時間器 SK7181/200遠程開關 SK8702分界模塊 SK3076結合模塊 SP3070/40005OA5611 OA5612 OA5621 OA5667 OA5622 OA5601  OA5602 OA5603 OA5667 OA/OW5670 OA/OW5668 OA/OW5668 OA/OW5669 OW/OR5691 OB5693 OB5694  OA5651 OA5652 OA5661 OA5662 OA5671 OA5672 OA5692 OA5681 OA5682IL9017 BA9010/BN9011BI9028  BL9025BA9019  IR9027GD/GC9013  BA9026GC9012  GE9015K04300  K04900K04000  K04030K70     K04070KU4000  KU4059/KU4061PH9260  BF9250/008BF9250/003  BF9250/002BF9251  BF9253OA5611  OA5612OA5621  OA5667OA5622  OA5601OA5602  OA5603OA5667  OA/OW5670OA/OW5668  OA/OW5669OW/OR5691  OB5693OB5694  OA5651OA5652  OA5661OA5662  OA5671OA5672  OA5692OA5681  OA5682BG5924.48/60 AC/DC24VBD5935.48/61 AC/DC24V AI930.04   BA7924.21  BD5987.02  DDN45E-Z-Z001-1100-0008  AI939.175 BA9037 BN5930 BN3081 BD5987 BA9054 BN3081  BD5935 BG5924 BN3081   DDN45-Z-2P/3P  AI7562 BE5982  AA7562 AA7616 IK8802 BD5935  BN3081  BG5924 BN5930 SL9171 IK9962  MK9906.82 MK7850 OA5612 AI939/175 AA9943.11  BN3081.63  BN5930.48 BA5930 BA9038 BN5983 AI896.07 BN5983.53AI896.07 BN5983.53 MK7850N AI941N.02  BD9080.12 IL9270.12 MK9056 AD8851 AI897 BD5877 AI898 AK9840 BO5988 OW5669OA5672.11/208 DC80V 12800Ω 10A 250VAC Nr.0049115OA5611.48/2500L1/61 DC85V 12100Ω 8A  250VAC Nr.0049076OW5669.12/698/61 DC10V DC10V 8A 250V  Nr.0045443OA5669.12/3095L1/61  DC12V 210Ω 8A 250V Nr.0052285IK9173.11/030 AC230V 0.55-1.05UN4*  Nr.0048872BD5987.02 DC24V  Nr.0037332BA7924.21 AC230V 0.3-3S  Nr.0039705BN5930.48 DC24V  Nr0048717BD5935.48/61 AC50/60HZ 230V Nr.0048717BN3081.63/61  AC50/60HZ 230V Nr0048701BN5983.53 BN5930.48 BN5930.48/204 BD5987.02/001 BD5987.02 BG5925.03 BG5925.22 BG5925.16 BG5925.02 LG5925.02 LG5925.04LG5925.48 BD5935.48 BO5988.61 BO5988.47 BH5928.92 BH5828.93 BL5931.63 BL5931.64/001 BL5927.45BL5903.22 BL5903.03 BE5982.02 BG5924.48 BD5934.48 BD5934.02 BG 5929.60 BG 5929.54 LG5929.60 LG5929.54 BN3081.63 IL7824.21 IN7824.21 BA7924.21 BA7924.21/003 BG7925.96 BD5985.02 BN5986.02 BD5980.02 BG5933.22 2 BH5933.48 3 BL5933.48 BL5933.02 BD5936.17 BH5932.2 NE5020.92 HC3096 HL3096AA9906.82/200 DC48V 0,05-1S 0039106AA9906.82/200 DC48V 3-60M 0039108AA9906.82/200 DC48V 5-100S 0039107AA9906.82/200 DC60V 0,05-1S 0058007AA9906.82/200 DC60V 0,15-3H 0034586AA9906.82/200 DC60V 0,5-10S 0034584AA9906.82/200 DC60V 3-60M 0056208AA9906.82/200 DC60V 5-100S 0034585AA9943.11 3AC50/60HZ  57/100V 0016138AA9943.11 3AC50/60HZ  63/110V 0024533AA9943.11 3AC50/60HZ 110/190V 0024287AA9943.11 3AC50/60HZ 127/220V 0016249AA9943.11 3AC50/60HZ 220/380V 0009314AA9943.11 3AC50/60HZ 230/400V 0027866AA9943.11 3AC50/60HZ 240/415V 0005678AA9943.11 3AC50/60HZ 254/440V 0017520AA9943.11 3AC50/60HZ 290/500V 0016250AA9943.11 3AC50/60HZ69,3/120V 0023087AA9943.11/001 3AC50/60HZ 100V 0016172AA9943.11/001 3AC50/60HZ 110V 0026330AA9943.11/001 3AC50/60HZ 120V 0024218AA9943.11/001 3AC50/60HZ 127V 0040811AA9943.11/001 3AC50/60HZ 160V 0043591AA9943.11/001 3AC50/60HZ 220V 0016014AA9943.11/001 3AC50/60HZ 240V 0024411AA9943.11/001 3AC50/60HZ 380V 0014461AA9943.11/001 3AC50/60HZ 400V 0038648AA9943.11/001 3AC50/60HZ 415V 0017140AA9943.11/001 3AC50/60HZ 440V 0015911AA9943.11/001 3AC50/60HZ 480V 0045786AA9943.11/001 3AC50/60HZ 500V 0015307AA9943.11/001 3AC50/60HZ 525V 0056741AA9943.11/001 3AC50/60HZ 550V 0046806AA9943.11/001 3AC50/60HZ 60V 0047977AA9943.11/001/60 3AC50/60HZ 220V 0030708AA9943.11/001/60 3AC50/60HZ 400V 0033131AA9943.11/075 3AC50/60HZ  63/110V 0044495AA9943.11/075 3AC50/60HZ 220/380V 0040570AA9943.11/075 3AC50/60HZ 230/400V 0045101AA9943.11/075 3AC50/60HZ 240/415V 0045395AA9943.11/175 3AC50/60HZ 380V 0040412AA9943.11/175 3AC50/60HZ 400V 0045103AA9943.11/201 3AC50/60HZ 220V 0039451AA9943.11/201 3AC50/60HZ 400V 0035672AA9943.11/201 3AC50/60HZ 500V 0038537AA9943.11/60 3AC50/60HZ 220/380V 0035906AA9943.12 3AC50/60HZ  57/100V 0019960AA9943.12 3AC50/60HZ  63/110V 0024217AA9943.12 3AC50/60HZ 110/190V 0044965AA9943.12 3AC50/60HZ 127/220V 0019919AA9943.12 3AC50/60HZ 220/380V 0014632AA9943.12 3AC50/60HZ 230/400V 0031606AA9943.12 3AC50/60HZ 240/415V 0014705AA9943.12 3AC50/60HZ 254/440V 0018316AA9943.12 3AC50/60HZ 290/500V 0017478AA9943.12 3AC50/60HZ 69,3/120V 0030009AA9943.12/001 3AC50/60HZ  82V 0037627AA9943.12/001 3AC50/60HZ 100V 0015894AA9943.12/001 3AC50/60HZ 110V 0024949AA9943.12/001 3AC50/60HZ 120V 0026442AA9943.12/001 3AC50/60HZ 220V 0018124AA9943.12/001 3AC50/60HZ 240V 0023183AA9943.12/001 3AC50/60HZ 380V 0014838AA9943.12/001 3AC50/60HZ 400V 0038660AA9943.12/001 3AC50/60HZ 415V 0020553AA9943.12/001 3AC50/60HZ 440V 0020154AA9943.12/001 3AC50/60HZ 460V 0043886AA9943.12/001 3AC50/60HZ 480V 0047296AA9943.12/001 3AC50/60HZ 500V 0016824AA9943.12/010 3AC50/60HZ 230/400V 0028335AA9943.12/075 3AC50/60HZ 220/380V 0041026AA9943.12/075 3AC50/60HZ 230/400V 0045792AA9943.12/075 3AC50/60HZ 63/110V 0046540AA9943.12/101 3AC50/60HZ 100V 0021187AA9943.12/101 3AC50/60HZ 400V 0021188AA9943.12/101 3AC50/60HZ 440V 0040708AA9943.12/120 3AC50/60HZ 230/400V 0033573AA9943.12/175 3AC50/60HZ  82V 0045633AA9943.12/175 3AC50/60HZ 100V 0044558AA9943.12/175 3AC50/60HZ 110V 0058813AA9943.12/175 3AC50/60HZ 230V 0052396AA9943.12/175 3AC50/60HZ 380V 0051584AA9943.12/175 3AC50/60HZ 400V 0041287AA9943.12/175 3AC50/60HZ 500V 0041025AA9943.12/201 3AC50/60HZ 220V 0041647AA9943.12/201 3AC50/60HZ 400V 0040059AA9943.12/301 3AC50/60HZ 500V 0048550AA9946 AC50/60HZ 110V 0017383AA9946 AC50/60HZ 230V 0006219AA9946 AC50/60HZ 240V 0020841AA9946 AC50/60HZ 24V 0051137AA9946 DC24V 0017177AA9946.10 AC50/60HZ 110V 0033604AA9946.10 AC50/60HZ 230V 0006220AA9946.10 AC50/60HZ 24V 0028864AA9947 AC50/60HZ 110V E300S/A300S 0013496AA9947 AC50/60HZ 110V E30S/A30S 0013495AA9947 AC50/60HZ 110V E60M/A60M 0013499AA9947 AC50/60HZ 127V E10M/A300S 0036700AA9947 AC50/60HZ 230V E10H/A10H 0013515AA9947 AC50/60HZ 230V E10M/A10M 0013512AA9947 AC50/60HZ 230V E10M/A300S 0023455AA9947 AC50/60HZ 230V E300S/A300S 0006221AA9947 AC50/60HZ 230V E300S/A30M 0013578AA9947 AC50/60HZ 230V E300S/A30S 0018905AA9947 AC50/60HZ 230V E300S/A60M 0039828AA9947 AC50/60HZ 230V E30M/A10M 0027076AA9947 AC50/60HZ 230V E30M/A300S 0033586AA9947 AC50/60HZ 230V E30M/A30M 0000556AA9947 AC50/60HZ 230V E30S/A10M 0025845AA9947 AC50/60HZ 230V E30S/A300S 0003557AA9947 AC50/60HZ 230V E30S/A30S 0013511AA9947 AC50/60HZ 230V E3H/A3H 0013513AA9947 AC50/60HZ 230V E60M/A10M 0023456AA9947 AC50/60HZ 230V E60M/A300S 0036658AA9947 AC50/60HZ 230V E60M/A30M 0020950AA9947 AC50/60HZ 230V E60M/A60M 0010345AA9947 AC50/60HZ 240V E10H/A60M 0039934AA9947 AC50/60HZ 240V E300S/A300S 0020177AA9947 AC50/60HZ 24V E30M/A30M 0051140AA9947 AC50/60HZ 24V E30S/A30S 0013479AA9947 AC50/60HZ 42V E300S/A300S 0013488AA9947 DC24V E300S/A300S 0019132AA9947 DC24V E3H/A3H 0029284AA9962.81 AC50/60HZ 110V 0,5-10M 0017936AA9962.81 AC50/60HZ 110V 1,5-30M 0017937AA9962.81 AC50/60HZ 110V 3-60M 0017797AA9962.81 AC50/60HZ 110V 5-100S 0037469AA9962.81 AC50/60HZ 127V 1,5-30M 0041313AA9962.81 AC50/60HZ 230V 0,05-1S 0017956AA9962.81 AC50/60HZ 230V 0,15-3H 0016933AA9962.81 AC50/60HZ 230V 0,15-3S 0017957AA9962.81 AC50/60HZ 230V 0,5-10H 0017958AA9962.81 AC50/60HZ 230V 0,5-10M 0015904AA9962.81 AC50/60HZ 230V 0,5-10S 0015620AA9962.81 AC50/60HZ 230V 1,5-30H 0017959AA9962.81 AC50/60HZ 230V 1,5-30M 0015946AA9962.81 AC50/60HZ 230V 1,5-30S 0016104AA9962.81 AC50/60HZ 230V 15-300S 0016123AA9962.81 AC50/60HZ 230V 3-60M 0016313AA9962.81 AC50/60HZ 230V 5-100H 0017035AA9962.81 AC50/60HZ 230V 5-100S 0016754AA9962.81 AC50/60HZ 240V 0,5-10S 0018848AA9962.81 AC50/60HZ 240V 1,5-30M 0022387AA9962.81 AC50/60HZ 240V 1,5-30S 0029032AA9962.81 AC50/60HZ 240V 15-300S 0026316AA9962.81 AC50/60HZ 240V 3-60M 0018907AA9962.81 AC50/60HZ 240V 5-100S 0034379AA9962.81 AC50/60HZ 24V 0,5-10H 0017949AA9962.81 AC50/60HZ 24V 0,5-10M 0017929AA9962.81 AC50/60HZ 24V 0,5-10S 0017925AA9962.81 AC50/60HZ 24V 3-60M 0017450AA9962.81 AC50/60HZ 42V 1,5-30M 0022967AA9962.81 AC50/60HZ 42V 3-60M 0020968AA9962.81 AC50/60HZ 60V 1,5-30M 0045259AA9962.81 DC110-127V 0,15-3H 0018092AA9962.81 DC110-127V 0,15-3S 0018084AA9962.81 DC110-127V 0,5-10M 0018089AA9962.81 DC110-127V 0,5-10S 0052759AA9962.81 DC110-127V 1,5-30H 0018094AA9962.81 DC110-127V 1,5-30M 0018090AA9962.81 DC110-127V 1,5-30S 0018086AA9962.81 DC110-127V 15-300S 0056802AA9962.81 DC110-127V 3-60M 0018091AA9962.81 DC110-127V