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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

SIRIUS ACT Backing Plate, Round 75mm, Yellow Self-Adhesive, for E-Stop Mushroom
MPN: 3SU1900-0BC31-0NB0 | 3SU19000BC310NB0
Siemens 3SU1900-0BC31-0NB0
31.40 31.4 USD
SIRIUS ACT Contact Module, 1 NC, Screw Terminal, for Front Mounting
MPN: 3SU1400-1AA10-1CA0 | 3SU14001AA101CA0
Siemens 3SU1400-1AA10-1CA0
6.93 6.93 USD
SIRIUS ACT Contact Module, 1 NO, Screw Terminal, for Base Mounting
MPN: 3SU1400-2AA10-1BA0 | 3SU14002AA101BA0
Siemens 3SU1400-2AA10-1BA0
6.76 6.76 USD
SIRIUS ACT Contact Module, 1 NO, Screw Terminal, for Front Plate Mounting
MPN: 3SU1400-1AA10-1BA0 | 3SU14001AA101BA0
Siemens 3SU1400-1AA10-1BA0
5.09 5.09 USD
SIRIUS ACT Emergency Stop Label Plate, Yellow, 75mm Round, 'EMERGENCY STOP' Inscription
MPN: 3SU1900-0BB31-0DA0 | 3SU19000BB310DA0
Siemens 3SU1900-0BB31-0DA0
12.45 12.45 USD
SIRIUS ACT Emergency Stop Mushroom Pushbutton, 22mm, 40mm Red, Key Release (RONIS SB30)
MPN: 3SU1000-1HF20-0AA0 | 3SU10001HF200AA0
Siemens 3SU1000-1HF20-0AA0
150.00 150.0 USD
SIRIUS ACT Emergency Stop Mushroom Pushbutton, Illuminable, 40 mm, Red, Rotate-to-Unlatch, Plastic
MPN: 3SU1001-1HB20-0AA0 | 3SU10011HB200AA0
Siemens 3SU1001-1HB20-0AA0
19.44 19.44 USD
162.99 162.99 USD
SIRIUS ACT Enclosure, Empty, 1 Command Point, 22mm, Yellow Top
MPN: 3SU1801-0AA00-0AA2 | 3SU18010AA000AA2
Siemens 3SU1801-0AA00-0AA2
26.61 26.61 USD
SIRIUS ACT Flat Button (Actuator/Cap) for Illuminated Pushbutton, 22 mm, Amber
MPN: 3SU1901-0FT00-0AA0 | 3SU19010FT000AA0
Siemens 3SU1901-0FT00-0AA0
5.73 5.73 USD
SIRIUS ACT Flat Button (Actuator/Cap) for Illuminated Pushbutton, 22 mm, Blue
MPN: 3SU1901-0FT50-0AA0 | 3SU19010FT500AA0
Siemens 3SU1901-0FT50-0AA0
5.73 5.73 USD
SIRIUS ACT Flat Button (Actuator/Cap) for Illuminated Pushbutton, 22 mm, Green
MPN: 3SU1901-0FT40-0AA0 | 3SU19010FT400AA0
Siemens 3SU1901-0FT40-0AA0
5.73 5.73 USD
SIRIUS ACT Holder for 3 Modules, Metal
MPN: 3SU1550-0AA10-0AA0 | 3SU15500AA100AA0
Siemens 3SU1550-0AA10-0AA0
3.92 3.92 USD
SIRIUS ACT Holder for 3 Modules, Plastic (Not for Metal Actuators)
MPN: 3SU1500-0AA10-0AA0 | 3SU15000AA100AA0
Siemens 3SU1500-0AA10-0AA0
1.72 1.72 USD
SIRIUS ACT Illuminated Pushbutton Front Element, White, Momentary, Metal, 22 mm
MPN: 3SU1051-0AB60-0AA0 | 3SU10510AB600AA0
Siemens 3SU1051-0AB60-0AA0
26.90 26.9 USD
SIRIUS ACT Illuminated Pushbutton, Momentary, Clear, With Guard, 22mm
MPN: 3SU1061-0JB70-0AA0 | 3SU10610JB700AA0
Siemens 3SU1061-0JB70-0AA0
28.24 28.24 USD
SIRIUS ACT Indicator Light Front Element, 22mm, Metal, Red, Smooth Lens
MPN: 3SU1051-6AA20-0AA0 | 3SU10516AA200AA0
Siemens 3SU1051-6AA20-0AA0
13.99 13.99 USD
SIRIUS ACT Indicator Light, 22 mm, Round, Metal, White, Smooth Lens
MPN: 3SU1051-6AA60-0AA0 | 3SU10516AA600AA0
Siemens 3SU1051-6AA60-0AA0
22.00 22.0 USD
33.36 33.36 USD
SIRIUS ACT LED Module w/ Terminal, Integrated LED Red, for Front Plate Mounting
MPN: 3SU1401-1ME20-1DA1 | 3SU14011ME201DA1
Siemens 3SU1401-1ME20-1DA1
41.93 41.93 USD

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