IC693MDL931RR现货

1969年，美国数字设备公司（DEC）研制出*台PLC，在美国通用汽车自动装配线上试用，获得了成功。这种新型的工业控制装置以其简单易懂，操作方便，可靠性高，通用灵活，体积小，使用寿命长等一系列优点，很快地在美国其他工业领域推广应用。到1971年，已经成功地应用于食品，饮料，冶金，造纸等工业。这一新型工业控制装置的出现，也受到了世界其他国家的高度重视。1971日本从美国引进了这项新技术，很快研制出了日本*台PLC。1973年，西欧国家也研制出它们的*台PLC。我国从1974年开始研制。于1977年开始工业应用。

SIEMENS 125 AMP CIRCUIT BREAKER 600 VAC 3 POLE SHUNT TRIP CFD63B125

SIEMENS 20 AMP BOLT-ON CIRCUIT BREAKER 240 VAC 3 POLE B320H

SIEMENS 20 AMP CIRCUIT BREAKER 120/240 VAC 2 POLE MODEL BL220

SIEMENS 200 AMP FUSIBLE VACU-BREAK PANELBOARD SWITCH 240 VAC 3 PHASE V7F3204

SIEMENS 225 AMP MAIN LUG PANELBOARD 208Y/120 VAC 3 PHASE 4 WIRE 42 CIRCUIT

SIEMENS 25 AMP 2 POLE BOLT-ON CIRCUIT BREAKER B225H 120/240 VAC

SIEMENS 25 AMP 2 POLE BOLT-ON CIRCUIT BREAKER B225H 120/240 VAC

SIEMENS 30 AMP BOLT-IN CIRCUIT BREAKER 120/240 VAC 2 POLE B230H

SIEMENS 30 AMP F STAINLESS STEEL SAFETY SWITCH 240 VAC 2POLE 1 ? 3 HP F221SS

SIEMENS 30 AMP F STAINLESS STEEL SAFETY SWITCH 240 VAC 2POLE 1 ? 3 HP F221SS

SIEMENS 30 AMP GFI CIRCUIT BREAKER 2 POLE 120/240 VAC BE230 BLE230

SIEMENS 30 AMP NON-F SAFETY SWITCH 600 VAC 30 HP 3 PHASE TYPE 3R HNF361J

SIEMENS 30 AMP NON-F SAFETY SWITCH 600 VAC 30 HP 3 PHASE TYPE 3R HNF361J

SIEMENS 30 AMP NON-F SAFETY SWITCH 600 VAC 30 HP 3 PHASE TYPE 3R HNF361J

SIEMENS 30 AMP SAFETY SWITCH 240 VAC 7-1/2 HP F 2 POLE SIEMENS HF221N

SIEMENS 3RG6342-3AB00 SONAR BERO PROXIMITY SWITCH SENSOR 18/35 VDC

SIEMENS 3RK1903-0AK10 TERMINAL MODULE FOR ET200S

SIEMENS 3RK1903-0AL10 TERMINAL MODULE

SIEMENS 3RK1903-0AL10 TERMINAL MODULE

SIEMENS 3RT1035-1BB40 CONTACTOR 24 VDC COIL 55 AMP 600 VAC

SIEMENS 3RT1647-1AK61 MOTOR PROTECTOR CONTACTOR 72 AMP 600 VAC COIL 120 VAC

SIEMENS 3RT1647-1AK61 MOTOR PROTECTOR CONTACTOR 72 AMP 600 VAC COIL 120 VAC

SIEMENS 3RT1647-1AK61 MOTOR PROTECTOR CONTACTOR 72 AMP 600 VAC COIL 120 VAC

SIEMENS 3VU1300-0MG00 MOTOR STARTER PROTECTOR 1-1.6 AMP RANGE 600 VAC 25 AMP MAX

SIEMENS 3VU1300-0MG00 MOTOR STARTER PROTECTOR 1-1.6 AMP RANGE 600 VAC 25 AMP MAX

SIEMENS 3VU1300-0MH00 CIRCUIT BREAKER MOTOR PROTECTOR 1.6-2.4 AMP 25 FLA 600 V

SIEMENS 50 AMP BOLT-ON CIRCUIT BREAKER 240 VAC 3 POLE B350

SIEMENS 50 AMP MOTOR CIRCUIT BREAKER ED63A050 3 POLE 600 VAC

SIEMENS 505-6108A 8-CHANNEL ANALOG INPUT MODULE

SIEMENS 505-6663 DC POWER SUPPLY MODULE TI505 20-30 VDC 100 WATTS

SIEMENS 562-002 POWER OPEN PROCESSOR ETHERNET CONTROLLER SIEMENS APOGEE 562-002

SIEMENS 5SY43 MCB C10 CIRCUIT BREAKER SIEMENS 5SY4310-7 10 AMP

SIEMENS 60 / 30 AMP FUSIBLE VACU-BREAK SWITCH 240 VAC 3 PHASE V7B3212R

SIEMENS 60 / 30 AMP FUSIBLE VACU-BREAK SWITCH 240 VAC 3 PHASE V7B3212R

SIEMENS 60 AMP 600 VAC FUSIBLE SAFETY SWITCH NEMA TYPE 1 INDOOR HF362

SIEMENS 60 AMP CIRCUIT BREAKER 480 VAC 3 POLE HED43B060

SIEMENS 60 AMP CLM0D03 ENCLOSED LIGHTING CONTACTOR 120 VAC COIL 600VAC ENC1F46

SIEMENS 6EP1 334-1SH01 SIEMENS SITOP POWER 10 POWER SUPPLY 24 VDC 10 AMP OUTPUT

SIEMENS 6ES7025-0TP87-2DD0 MASTERDRIVES CAPACITOR MODULE 510-650 VDC 50 AMP

SIEMENS APOGEE AUTOMATION ANALOG POINT EXPANSION W/HOA 4AI,4AO 549-215

SIEMENS APOGEE AUTOMATION ANALOG POINT EXPANSION W/HOA 4AI,4AO 549-215

SIEMENS APOGEE AUTOMATION ANALOG POINT EXPANSION W/HOA 4AI,4AO 549-215

SIEMENS B3100 CIRCUIT BREAKER 100 AMP 240 VAC 3 POLE BOLT ON

SIEMENS B350HH CIRCUIT BREAKER TYPE HBL 50 AMP 240 VAC 3 POLE

SIEMENS BREAKER OPERATOR MECHANISM FOR PXD SENTRON STYLE CIRCUIT BREAKERS

SIEMENS C211C*3 REVERSING MOTOR STARTER SIZE 1 27 AMP 600 VAC 120V COIL

SIEMENS CLM LIGHTING CONTACTOR 4 POLE 20 AMP 120V COIL

SIEMENS CLM LIGHTING CONTACTOR 8 POLE 20 AMP 120V COIL

SIEMENS COM16 MODBUS MODULE WLCM16MD 3WL9111-1AT15-0AA0

SIEMENS COMPACT MODULE MODEL 6ES7 151-1CA00-3BL0

SIEMENS CONTACTOR ASSEMBLY 3VU1600-0MM00 / SIEMENS MANUAL MOTOR CONTROL

SIEMENS DS1E-X HF COMPACT MOTOR STARTER 0.3-3 AMP 3RV1321-1DH10

SIEMENS DS1E-X HF COMPACT MOTOR STARTER 2.4-16 AMP 3RV1321-4AH10

SIEMENS DS1E-X HF COMPACT MOTOR STARTER 2.4-16 AMP 3RV1321-4AH10

SIEMENS DS1E-X HF COMPACT MOTOR STARTER 2.4-8 AMP 3RV1321-1HH10

SIEMENS ED63A040 CIRCUIT BREAKER 40 AMP 600 VAC 3 POLE LUGS ON LINE & LOAD

SIEMENS ENCLOSED AC LIGHTING CONTACTOR 60 AMP CLMD0CK03

SIEMENS ENCLOSED AC LIGHTING CONTACTOR 60 AMP CLMD0CK03