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THINK-PLC standard products

Built to deploy


UL 508A control panels, Siemens-based systems and CNC integration — engineered once, then built repeatably to cut lead time and simplify purchasing. Every panel is assembled in North Carolina and carries a three year warranty.

UL 508AListed industrial control panels
Built in the USAAssembled in North Carolina
3 year warrantyOn every standard product
Quality product manufacturersComponents from industry leaders
Engineering supportBacked by THINK-PLC

Automation Overstock

Automation Overstock

Surplus and overstock automation components from our own shelves in North Carolina. These are genuine manufacturer parts we already hold in inventory — the quantity shown on each listing is the real quantity on hand, and when it is gone, it is gone.

New Old StockNever used, in original packaging.
Open BoxPackaging opened, item unused.
Out of BoxNo original packaging, unused.
Out of Box, UsedNo packaging, previously in service.

Warranty: overstock items are not covered by the Think-PLC 3‑year warranty that applies to our standard products. Condition is stated on every listing — contact us for terms on any specific item before you order.

Automation Overstock

SIMATIC S7-1500 CPU 1511-1 PN, 300 KB Program / 1.5 MB Data Memory, PROFINET
MPN: 6ES7511-1AL03-0AB0 | 6ES75111AL030AB0
Siemens 6ES7511-1AL03-0AB0
1,162.11 1162.11 USD
SIMATIC S7-1500 CPU 1515F-2 PN, Fail-Safe, 1.5MB Prog / 4.5MB Data
MPN: 6ES7515-2FN03-0AB0 | 6ES75152FN030AB0
Siemens 6ES7515-2FN03-0AB0
4,034.12 4034.12 USD
SIMATIC S7-1500 Digital Input Module DI 16x24VDC BA, 16 Channels
MPN: 6ES7521-1BH10-0AA0 | 6ES75211BH100AA0
Siemens 6ES7521-1BH10-0AA0
334.48 334.48 USD
SIMATIC S7-1500 Digital Input Module DI 32x24VDC BA, 32 Channels
MPN: 6ES7521-1BL10-0AA0 | 6ES75211BL100AA0
Siemens 6ES7521-1BL10-0AA0
468.53 468.53 USD
SIMATIC S7-1500 Digital Input Module DI 32x24VDC HF, 32 Channels
MPN: 6ES7521-1BL00-0AB0 | 6ES75211BL000AB0
Siemens 6ES7521-1BL00-0AB0
497.43 497.43 USD
SIMATIC S7-1500 Digital Output Module DQ 32x24VDC/0.5A HF, 32 Channels
MPN: 6ES7522-1BL01-0AB0 | 6ES75221BL010AB0
Siemens 6ES7522-1BL01-0AB0
711.84 711.84 USD
SIMATIC S7-1500 Fail-Safe Digital Input Module F-DI 16x24VDC, PROFIsafe, SIL3
MPN: 6ES7526-1BH00-0AB0 | 6ES75261BH000AB0
Siemens 6ES7526-1BH00-0AB0
913.23 913.23 USD
SIMATIC S7-1500 Fail-Safe Digital Output Module F-DQ 8x24VDC/2A PPM, PROFIsafe, SIL3
MPN: 6ES7526-2BF00-0AB0 | 6ES75262BF000AB0
Siemens 6ES7526-2BF00-0AB0
1,048.23 1048.23 USD
SIMATIC S7-1500 Front Connector, Push-In, 40-Pin, for 35 mm Modules
MPN: 6ES7592-1BM00-0XB0 | 6ES75921BM000XB0
Siemens 6ES7592-1BM00-0XB0
54.89 54.89 USD
SIMATIC S7-1500 Mounting Rail, 245 mm (9.6 in), with Grounding Screw
MPN: 6ES7590-1AC40-0AA0 | 6ES75901AC400AA0
Siemens 6ES7590-1AC40-0AA0
56.61 56.61 USD
SIMATIC S7-1500 System Power Supply PS 60W, 120/230 V AC/DC
MPN: 6ES7507-0RA00-0AB0 | 6ES75070RA000AB0
Siemens 6ES7507-0RA00-0AB0
831.92 831.92 USD
SIMATIC S7-1500/ET 200MP Front Connector, Screw Type, 40-Pin, 35mm
MPN: 6ES7592-1AM00-0XB0 | 6ES75921AM000XB0
Siemens 6ES7592-1AM00-0XB0
50.83 50.83 USD
SIMATIC S7-300 CPU 315-2 DP, Integrated MPI + PROFIBUS DP
MPN: 6ES7315-2AH14-0AB0 | 6ES73152AH140AB0
Siemens 6ES7315-2AH14-0AB0
Discontinued by manufacturer but available
5,857.41 5857.41 USD
SIMATIC S7-300 Digital Output Module SM 322, 16 DO, 24V DC, 0.5A
MPN: 6ES7322-1BH01-0AA0 | 6ES73221BH010AA0
Siemens 6ES7322-1BH01-0AA0
Discontinued by manufacturer but available
889.41 889.41 USD
SIMATIC S7-300 Front Connector, 20-Pin, Screw Terminals, for Signal Modules
MPN: 6ES7392-1AJ00-0AA0 | 6ES73921AJ000AA0
Siemens 6ES7392-1AJ00-0AA0
Discontinued by manufacturer but available
91.48 91.48 USD
SIMATIC S7-300 Mounting Rail, 530 mm, Aluminum
MPN: 6ES7390-1AF30-0AA0 | 6ES73901AF300AA0
Siemens 6ES7390-1AF30-0AA0
137.23 137.23 USD
SIMATIC S7-300 SM 321 Digital Input Module, 16 x 24 V DC
MPN: 6ES7321-1BH02-0AA0 | 6ES73211BH020AA0
Siemens 6ES7321-1BH02-0AA0
641.64 641.64 USD
SIMATIC S7-300 SM 334 Analog I/O Module, 4 AI / 2 AO, 20-Pin Front Connector
MPN: 6ES7334-0KE00-0AB0 | 6ES73340KE000AB0
Siemens 6ES7334-0KE00-0AB0
1,512.00 1512.0 USD
SIMOTICS S-1FK2 HD Servo Motor, 1.27 Nm, 3000 rpm, w/ Holding Brake, Absolute Encoder, OCC
MPN: 1FK2103-4AG10-1MA0 | 1FK21034AG101MA0
Siemens 1FK2103-4AG10-1MA0
1,670.91 1670.91 USD
SINAMICS Basic Operator Panel BOP20, for CU320-2 / S120 Control Unit
MPN: 6SL3055-0AA00-4BA0 | 6SL30550AA004BA0
Siemens 6SL3055-0AA00-4BA0
68.62 68.62 USD

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