industrial automation & control

Onlinecomponents.com stocks more than 18,383 Industrial automation & control parts from 114 manufacturers, covering applications across Accessories, Circuit protection modules, Communication modules, Controls, plcs, & peripherals, Counters & timers, Interface modules, Meters, Safety. Featured suppliers include Phoenix Contact, Altech, Weidmuller, Omron Automation, Thyro / Advanced Energy, Wieland Electric and many more, with authorized distribution, datasheets, and tiered pricing on every part. Browse Industrial automation & control by subcategories — Accessories (804), Circuit protection modules (2,885), Communication modules (478), Controls, plcs, & peripherals (2,127), Counters & timers (815), Interface modules (10,624), Meters (523), Safety (127) — or refine results using the supplier, availability, RoHS, and part-status filters on the left. All Industrial automation & control listings include real-time inventory, RoHS status, and lead-time information; request a quote on any restricted or low-availability item directly from its product page.

Onlinecomponents.com offers a selection of more than 18,383 Industrial automation & control from over 114 world-class suppliers. We offer Industrial automation & control from suppliers such as Curtis Industries, Crouzet Control, Woodhead / Molex, OPTO-22, Eaton Electronics / Bussmann and many more. Please see all subcategories of Accessories, Circuit protection modules, Communication modules, Controls, plcs, & peripherals, Counters & timers, Interface modules, Meters, Safety below. See More
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Phoenix Contact 0920083 - Fuse modular terminal block - without fuse plug - nom. volta...

Phoenix Contact

Fuse modular terminal block - without fuse plug - nom. voltage: 500 V - nominal current: 10 A - connection method ...

  • In Stock: 100

    Ships Immediately


  • 2
    $13.60
  • 25
    $12.92
  • 50 +
    $12.27
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Phoenix Contact 0916605 - Thermomagnetic circuit breaker - 1-pos. - for DIN rail mount...

Phoenix Contact

Thermomagnetic circuit breaker - 1-pos. - for DIN rail mounting

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Phoenix Contact 2718206 - Motor terminal block - four-level - cross section: 0.2 mm² ...

Phoenix Contact

Motor terminal block - four-level - cross section: 0.2 mm² - 4 mm² - AWG: 24 - 12 - connection method: screw con ...

  • In Stock: 56

    Ships Immediately

  • MANUFACTURER STOCK 349

    can ship 6/15/26


  • 2
    $16.41
  • 25
    $15.59
  • 50 +
    $14.81
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Grayhill 70-IDC5NP - I/O Module Relays Input Module 18mA 4000Vrms Thru-Hole

Grayhill

I/O Module Relays Input Module 18mA 4000Vrms Thru-Hole

  • In Stock: 56

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  • 6
    $12.85
  • 25
    $12.04
  • 50
    $11.69
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WAGO 2002-1611/1000-541 - TOPJOB®S fuse disconnect terminal block - with pivoting fuse...

WAGO

TOPJOB®S fuse disconnect terminal block - with pivoting fuse holder for 5 x 20 mm fuse - with blown fuse LED indi ...

  • In Stock: 55

    Ships Immediately


  • 5
    $16.88
  • 25
    $16.54
  • 50
    $16.21
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Wieland Electric 57.504.0055.7 - Conn Feed-Through Terminal Block 2 POS Screw DIN Rail 32A

Wieland Electric

Conn Feed-Through Terminal Block 2 POS Screw DIN Rail 32A

  • In Stock: 32

    Ships Immediately


  • 1
    $0.6477
  • 100
    $0.5888
  • 300
    $0.5268
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Omron Automation NXOD5256 - Transistor Output Unit (Screwless Clamping Terminal Block, 1...

Omron Automation

Transistor Output Unit (Screwless Clamping Terminal Block, 12 mm Width)

  • In Stock: 21

    Ships Immediately

  • MANUFACTURER STOCK 1524

    can ship 6/15/26


  • 1
    $236.57
  • 3
    $220.80
  • 5 +
    $215.06
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Siemens Energy 3RU1126-1CB0 - Electromechanical Relay SPST-NO/SPST-NC(45x96x97)mm DIN Rail...

Siemens Energy

Electromechanical Relay SPST-NO/SPST-NC(45x96x97)mm DIN Rail Contactor Relay

  • In Stock: 4

    Ships Immediately


  • 1
    $103.44
  • 5
    $99.44
  • 10
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Omron Automation F3SPB1P - Control Unit for F3SJ - 3NO + 1NC - (use F39-JC_B double end...

Omron Automation

Control Unit for F3SJ - 3NO + 1NC - (use F39-JC_B double ended cable)

  • In Stock: 1

    Ships Immediately

  • MANUFACTURER STOCK 31

    can ship 6/15/26


  • 1
    $512.03
  • 3
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  • MANUFACTURER STOCK 961

    can ship 6/15/26


  • 1
    $115.16
  • 5
    $106.57
  • 10
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Curtis Instruments 17082302

Curtis Instruments

17082302

  • 12 Weeks

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OPTO-22 SNAP-D8M - Module Rack, Fuse, 50-Pin, Screw, Rack Mount, UL Listed, CSA...

OPTO-22

Module Rack, Fuse, 50-Pin, Screw, Rack Mount, UL Listed, CSA Certified | Opto 22 SNAP-D8M

  • 2 Weeks

  • 1
    $148.79
  • 5
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  • 10
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Phoenix Contact 2878638 - Inline analog strain gauge input terminal - complete with ac...

Phoenix Contact

Inline analog strain gauge input terminal - complete with accessories (connector and labeling field) - 2 fast inp ...

  • 4 Weeks

  • 1
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  • 5 +
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  • 7 Weeks

  • 1
    $394.59
  • 3
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  • 2 Weeks

  • 1
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  • 3
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  • 5
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Phoenix Contact 3214932 - Test disconnect terminal block - nom. voltage: 800 V - nomin...

Phoenix Contact

Test disconnect terminal block - nom. voltage: 800 V - nominal current: 50 A - connection method: Bolt connection ...

  • 4 Weeks

  • 10
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  • 50 +
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Weidmuller 1040880000 - Conn Feed-Through Terminal Block 2 POS Screw RA T DIN Rail 2...

Weidmuller

Conn Feed-Through Terminal Block 2 POS Screw RA T DIN Rail 24A

  • 4 Weeks

  • 100
    $1.55
  • 300
    $1.43
  • 500
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Altech MT9/H-21-30 - Marking Tag - Horizontal - Imprint 21 to 30 - 10.3mm H x 8.7...

Altech

Marking Tag - Horizontal - Imprint 21 to 30 - 10.3mm H x 8.7mm W - Pack of 100.

  • 6 Weeks

  • 5
    $8.98
  • 25
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  • 50
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Weidmuller 8951650000 - Surge Suppressors 10A 24VDC/24VAC DIN Rail

Weidmuller

Surge Suppressors 10A 24VDC/24VAC DIN Rail

  • 15 Weeks

  • 1
    $101.89
  • 5
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  • 10
    $91.55
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  • 5 Weeks

  • 10
    $3.23
  • 50
    $2.71
  • 200
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Omron Automation FQ2S35010F08

Omron Automation

FQ2S35010F08

  • 5 Weeks

  • 1 +
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Phoenix Contact 2904254 - VARIOFACE module - with push-in connection and flat-ribbon c...

Phoenix Contact

VARIOFACE module - with push-in connection and flat-ribbon cable connector - for mounting on NS 35 rails - with p ...

  • 8 Weeks

  • 1
    $183.04
  • 3
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  • 5
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WAGO 788-906 - Relay module with driven contacts - Nominal input voltage: 2...

WAGO

Relay module with driven contacts - Nominal input voltage: 24 VDC - 2 changeover contacts - Limiting continuous c ...

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  • 1
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  • 5
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Simpson Electric M23522240 - Digital Panel Meter - 3-1/2 LCD - Mini-Max M235 Series - DC ...

Simpson Electric

Digital Panel Meter - 3-1/2 LCD - Mini-Max M235 Series - DC Current - 0mA to 200mA Meter Range - 9 to 32V Power S ...

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Phoenix Contact FL MGUARD RS4004 TX/DTX - Security appliance in metal housing with integrated 4-port M...

Phoenix Contact

Security appliance in metal housing with integrated 4-port Managed Switch and DMZ port - with expanded temperatur ...

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  • 10 +
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