Collection: PLCs & Other Automation Equipment
We specialize in sourcing hard-to-find, discontinued, and surplus Top Selling PLC part numbers with fast turnaround times, verified inventory, and dedicated RFQ support. Whether you need a single replacement controller to minimize downtime or bulk automation hardware for a production line, our team can quote, source, and ship quickly.
Why Buy PLCs & Automation Equipment from PLG Automation
PLG Automation supplies PLCs, CPU modules, I/O systems, communication processors, and industrial control hardware for manufacturers, system integrators, and maintenance teams across the U.S. We specialize in sourcing hard-to-find, discontinued, and surplus automation spares with verified inventory and dedicated RFQ support. Whether you need a single replacement controller or bulk sourcing for a multi-line deployment, our team can quote and ship quickly. PLG Automation supplies programmable logic controllers (PLCs), I/O modules, CPU processors, communication modules, and automation system components by brands like Allen-Bradley or Siemens for manufacturers, system integrators, and maintenance teams across the U.S.
Browse Allen-Bradley Obsolete PLCs or Siemens PLC Replacements Parts
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Siemens 6ES7234-4HE32-0XB0 Digital Input Module
Vendor:SiemensRegular price $428.00Regular priceUnit price / perSale price $428.00 -
Siemens 6ES7234-4HE32-0XB0 Simatic Signal Module
Vendor:SiemensRegular price $428.00Regular priceUnit price / perSale price $428.00 -
Siemens 6SL3210-1PE11-8UL1 Variable Frequency Drive
Vendor:SiemensRegular price $428.00Regular priceUnit price / perSale price $428.00 -
Siemens 6SL3210-1PE14-3UL1 Variable Frequency Drive
Vendor:SiemensRegular price $497.00Regular priceUnit price / perSale price $497.00 -
Siemens 574889 EBE 46-535-3 Rate Switch
Vendor:SiemensRegular price $512.00Regular priceUnit price / perSale price $512.00 -
Siemens 6ES7505-0KA00-0AB0 Programmable Logic Controller Module
Vendor:SiemensRegular price $517.00Regular priceUnit price / perSale price $517.00 -
Siemens 6SL3210-5BE22-2UV0 Variable Frequency Drive
Vendor:SiemensRegular price $537.00Regular priceUnit price / perSale price $537.00 -
Siemens 6ES7 532-5HD00-0AB0 Analog Output Module
Vendor:SiemensRegular price $664.00Regular priceUnit price / perSale price $664.00 -
Siemens 3RB2036-1UB0 Thermal Overload Relay for Motor Protection
Vendor:SiemensRegular price $668.00Regular priceUnit price / perSale price $668.00 -
Siemens 6ES7522-1BL10-0AA0 Digital Output Module
Vendor:SiemensRegular price $811.00Regular priceUnit price / perSale price $811.00 -
Siemens 6ES72141HG400XB0 Programmable Logic Controller CPU Module
Vendor:SiemensRegular price $839.00Regular priceUnit price / perSale price $839.00 -
Siemens 6ES7135-4GB01-0AB0 Analog Input Module
Vendor:SiemensRegular price $890.00Regular priceUnit price / perSale price $890.00 -
Siemens 6AV6643-0CD01-1AX1 Operator Interface Panel
Vendor:SiemensRegular price $1,225.00Regular priceUnit price / perSale price $1,225.00 -
Siemens 6ES7 214-1BE30-0XB0 S7-1200 CPU Module
Vendor:SiemensRegular price $931.00Regular priceUnit price / perSale price $931.00 -
Siemens 6ES7 314-6CG03-0AB0 S7-300 PLC CPU Module
Vendor:SiemensRegular price $1,101.00Regular priceUnit price / perSale price $1,101.00 -
Siemens 6ES7 313-5BE01-0AB0 Simatic S7-300 CPU Module
Vendor:SiemensRegular price $1,532.00Regular priceUnit price / perSale price $1,532.00 -
Siemens 6SL3120-2TE21-0AA4 Double Motor Module
Vendor:SiemensRegular price $1,727.00Regular priceUnit price / perSale price $1,727.00 -
Siemens 6SL3120-2TE21-0AA4 Double Motor Module
Vendor:SiemensRegular price $1,728.00Regular priceUnit price / perSale price $1,728.00 -
Siemens 6AV21240JC010AX0 Touch Screen HMI Panel
Vendor:SiemensRegular price $2,072.00Regular priceUnit price / perSale price $2,072.00 -
Siemens P3E56ML400FTS Panelboard Interior 42 Circuit 480 VAC 3 Phase 4 Wire
Vendor:SiemensRegular price $2,371.00Regular priceUnit price / perSale price $2,371.00 -
Siemens 6AV6643-0BA01-1AX0 HMI Operator Panel
Vendor:SiemensRegular price $3,190.00Regular priceUnit price / perSale price $3,190.00 -
Siemens 6SE7090-0XX84-0FF5 Profibus DP Communication Interface Card
Vendor:SiemensRegular price $212.00Regular priceUnit price / perSale price $212.00 -
AMETEK Pittman DC Motors 9237S010-R1 Gearmotor
Vendor:SiemensRegular price $340.00Regular priceUnit price / perSale price $340.00 -
Siemens 6ES7231-5QD32-0XB0 Analog Input Module
Vendor:SiemensRegular price $403.00Regular priceUnit price / perSale price $403.00