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We have 6600+ Square-D products ranging from circuit breakers and load centers to soft starters and VFDs. Shop today for Square-D products!
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![Square D TM221CE40T Logic controller, Modicon M221, 40 IO transistor PNP Ethernet | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/se-tm221ce40t_medium.png?v=1720021346)
TM221CE40T | Logic controller, Modicon M221, 40 IO transistor PNP Ethernet | Square D by Schneider Electric
Brand: Square D
SKU: TM221CE40T
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![Square D TM221CE24T Logic controller, Modicon M221, 24 IO transistor PNP Ethernet | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/se-tm221ce24t_medium.png?v=1720021336)
TM221CE24T | Logic controller, Modicon M221, 24 IO transistor PNP Ethernet | Square D by Schneider Electric
Brand: Square D
SKU: TM221CE24T
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![Square D TM221CE16T Logic controller, Modicon M221, 16 IO transistor PNP Ethernet | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/se-tm221ce16t_medium.png?v=1720021331)
TM221CE16T | Logic controller, Modicon M221, 16 IO transistor PNP Ethernet | Square D by Schneider Electric
Brand: Square D
SKU: TM221CE16T
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![Square D TM221C40R Logic controller, Modicon M221, 40 IO relay | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/se-tm221c40r_medium.png?v=1720021330)
TM221C40R | Logic controller, Modicon M221, 40 IO relay | Square D by Schneider Electric
Brand: Square D
SKU: TM221C40R
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![Square D TM172EVEV1B M172 Expansion 1 EEV Driver Bipolar | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/se-tm172evev1b_medium.png?v=1720021341)
TM172EVEV1B | M172 Expansion 1 EEV Driver Bipolar | Square D by Schneider Electric
Brand: Square D
SKU: TM172EVEV1B
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![Square D TM171VEVM4 EEV Driver, Autonomous & Modbus | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/se-tm171vevm4_medium.png?v=1720021333)
TM171VEVM4 | EEV Driver, Autonomous & Modbus | Square D by Schneider Electric
Brand: Square D
SKU: TM171VEVM4
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![Square D STBXMP1100 Modicon STB - bus termination | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/se-stbxmp1100_medium.png?v=1720021332)
STBXMP1100 | Modicon STB - bus termination | Square D by Schneider Electric
Brand: Square D
SKU: STBXMP1100
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![Square D STBXBE2100K Modicon STB - bus extension kit | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/se-stbxbe1100k_medium.png?v=1720021333)
STBXBE2100K | Modicon STB - bus extension kit | Square D by Schneider Electric
Brand: Square D
SKU: STBXBE2100K
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![Square D STBXBE1300K Modicon STB - BOS internal bus extension kit | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/se-stbxbe1100k_7928bde5-0702-4f74-a146-9e4e8ab82b8a_medium.png?v=1720021328)
STBXBE1300K | Modicon STB - BOS internal bus extension kit | Square D by Schneider Electric
Brand: Square D
SKU: STBXBE1300K
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![Square D STBXBE1100K Modicon STB - EOS internal bus extension kit | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/se-stbxbe1100k_d07ce825-664f-4d08-911b-4757d896b0ee_medium.png?v=1720021331)
STBXBE1100K | Modicon STB - EOS internal bus extension kit | Square D by Schneider Electric
Brand: Square D
SKU: STBXBE1100K
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![Square D STBXBA3000 Modicon STB - mounting base - for I/O module - 28.1 mm | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/se-stbxba3000_medium.png?v=1720021329)
STBXBA3000 | Modicon STB - mounting base - for I / O module - 28.1 mm | Square D by Schneider Electric
Brand: Square D
SKU: STBXBA3000
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![Square D STBEHC3020KC counter kit STB - 1 CH - 0..40000 Hz - 2 I | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/se-stbehc3020kc_medium.png?v=1720021331)
STBEHC3020KC | counter kit STB - 1 CH - 0..40000 Hz - 2 I | Square D by Schneider Electric
Brand: Square D
SKU: STBEHC3020KC
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![Square D STBDDO3705KS basic digital output kit STB - 24 V DC - 16 O | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/se-stbddo3705kc_396088fa-fe55-4e00-a7bf-edbcd11f572b_medium.png?v=1720021333)
STBDDO3705KS | basic digital output kit STB - 24 V DC - 16 O | Square D by Schneider Electric
Brand: Square D
SKU: STBDDO3705KS
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![Square D STBDDO3705 basic digital output module STB - 24 V DC - 16 O | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/se-stbddo3705_medium.png?v=1720021330)
STBDDO3705 | basic digital output module STB - 24 V DC - 16 O | Square D by Schneider Electric
Brand: Square D
SKU: STBDDO3705
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![Square D STBDDI3725KS basic digital input kit STB - 24 V DC - 16 I | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/se-stbddi3725ks_medium.png?v=1720021333)
STBDDI3725KS | basic digital input kit STB - 24 V DC - 16 I | Square D by Schneider Electric
Brand: Square D
SKU: STBDDI3725KS
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![Square D STBDAI5230K standard digital input kit - Modicon STB - 115 V AC - 2 I | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/se-stbdai5230k_medium.png?v=1720021329)
STBDAI5230K | standard digital input kit - Modicon STB - 115 V AC - 2 I | Square D by Schneider Electric
Brand: Square D
SKU: STBDAI5230K
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![Square D STBCPS2111K Modicon STB - auxiliary power supply kit - for logic of I/O module | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/se-stbcps2111k_medium.png?v=1720021329)
STBCPS2111K | Modicon STB - auxiliary power supply kit - for logic of I / O module | Square D by Schneider Electric
Brand: Square D
SKU: STBCPS2111K
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![Square D STBAVO0200K standard analog output kit STB - +/- 10 V - 2 O - 15 bits + sign | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/se-stbavo0200k_medium.png?v=1720021329)
STBAVO0200K | standard analog output kit STB - + / - 10 V - 2 O - 15 bits + sign | Square D by Schneider Electric
Brand: Square D
SKU: STBAVO0200K
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![Square D STBAVI0300K standard analog input kit STB - +/- 10 V - 4 I - 15 bits + sign | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/se-stbavi0300k_medium.png?v=1720021330)
STBAVI0300K | standard analog input kit STB - + / - 10 V - 4 I - 15 bits + sign | Square D by Schneider Electric
Brand: Square D
SKU: STBAVI0300K
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MA-418 | Act (MA-418): Elec, 2Pos, SR, 120 VAC, TB, 60 in-lb, Rotary, N1, Erie | Schneider Electric
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Brand: Veris
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E50B1 | DIN Energy Meter | VAR Pulse Out | Veris
Brand: Veris
SKU: E50B1![Contemporary Controls EIS8-100T 8-Port 10/100Mbps UL-864 EIS Switch | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/eis_f8fd4b1c-b511-458d-aa13-9e5d06cc2e98_large.jpg?v=1720006938)
EIS8-100T | 8-Port 10/100Mbps UL-864 EIS Switch | Contemporary Controls
Brand: Contemporary Controls
SKU: EIS8-100T![Neptronic SHS80-C Duct Mnt Humidity/High Limit | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/SKE4-SKS4_SHS80_d0f055ef-aed4-412c-bac8-68bfbd0ae0f2_large.png?v=1717516288)
SHS80-C | Duct Mnt Humidity/High Limit | Neptronic
Brand: Neptronic
SKU: SHS80-C![Functional Devices RIBW01B-EN3 EnOcean 902 Mhz Enclosed Relay 20Amp 120Vac 2-Way Wireless Dry-Cont. Input | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/RIBW01B-EN3_large.jpg?v=1719987683)
RIBW01B-EN3 | EnOcean 902 Mhz Enclosed Relay 20Amp 120Vac 2-Way Wireless Dry-Cont. Input | Functional Devices
Brand: Functional Devices
SKU: RIBW01B-EN3![Belimo SGVL+SVKB24-SR SGVL w/ Electronic FS | 337 lbf | 24V | 2-10V | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/SGVL_SVK_LVK_e86f911c-bf3a-4839-8aed-cf99c226983a_large.png?v=1720003995)
SGVL+SVKB24-SR | SGVL w/ Electronic FS | 337 lbf | 24V | 2-10V | Belimo
Brand: Belimo
SKU: SGVL+SVKB24-SR