Interface Modules

Onlinecomponents.com stocks more than 10,541 Interface Modules parts from 62 manufacturers, covering applications across Analog & Digital Interface Modules, Connector Interface Module, DIN Rail Fuse Holders, DIN Rail Terminal Blocks, Diode & Component Modules, Field I/O Modules, Operator Interface, Relay Interface Modules. Featured suppliers include Phoenix Contact, Altech, Weidmuller, Omron Automation, Schneider Electric, Wieland Electric and many more, with authorized distribution, datasheets, and tiered pricing on every part. Browse Interface Modules by taxonomies — Analog & Digital Interface Modules (356), Connector Interface Module (165), DIN Rail Fuse Holders (104), DIN Rail Terminal Blocks (5,725), Diode & Component Modules (108), Field I/O Modules (1,100), Operator Interface (207), Relay Interface Modules (2,541) — or refine results using the supplier, availability, RoHS, and part-status filters on the left. All Interface Modules 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 10,541 Interface Modules from over 62 world-class suppliers.We offer Interface Modules from suppliers such as TE Connectivity / Buchanan Brand, Altech, Eclipse Tools, Honeywell, OPTO-22 and many more.Please see all taxonomies of Analog & Digital Interface Modules, Connector Interface Module, DIN Rail Fuse Holders, DIN Rail Terminal Blocks, Diode & Component Modules, Field I/O Modules, Operator Interface, Relay Interface Modules below. See More
Featured Related Products

Phoenix Contact 3211485 - Feed-through terminal block - nom. voltage: 1000 V - nominal...

Phoenix Contact

Feed-through terminal block - nom. voltage: 1000 V - nominal current: 41 A - connection method: Push-in connectio ...

  • In Stock: 400

    Immediately

  • On Order: 400

    Ships 10/12/26


  • 10
    $4.57
  • 50 +
    $4.34
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Altech CA722/10 - Jumper Terminal Block - Cross Connection - 10 Position - 0.4...

Altech

Jumper Terminal Block - Cross Connection - 10 Position - 0.4 Nm Torque - Round Pins.

  • In Stock: 363

    Immediately

  • MANUFACTURER STOCK 3163

    Ships 9/14/26


  • 10
    $3.41
  • 50
    $3.26
  • 250
    $3.19
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Eaton Electrical / Coiltronics / Bussmann NSE3-WH - Barrier Block Connector - 3 Circuits - 6 Wire Entries - 1.06...

Eaton Electrical / Coiltronics / Bussmann

Barrier Block Connector - 3 Circuits - 6 Wire Entries - 1.060" Pitch - 115A - 600V - Screws with Captive Plate -C ...

  • In Stock: 201

    Immediately


  • 1
    $51.66
  • 5
    $51.53
  • 10
    $51.40
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Phoenix Contact 3213961 - Installation level terminal block - Push-in connection - cro...

Phoenix Contact

Installation level terminal block - Push-in connection - cross section: 0.14 mm² - 4 mm² - AWG: 26 - 12 - width: ...

  • In Stock: 196

    Immediately

  • MANUFACTURER STOCK 329

    Ships 9/14/26


  • 4
    $6.80
  • 25
    $6.46
  • 50 +
    $6.14
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Weidmuller 2551510000 - Conn Feed-Through Terminal Block 2 POS Screw DIN Rail

Weidmuller

Conn Feed-Through Terminal Block 2 POS Screw DIN Rail

  • In Stock: 60

    Immediately

  • MANUFACTURER STOCK 180

    Ships 9/14/26


  • 10
    $9.33
  • 30
    $8.36
  • 100
    $7.19
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Weidmuller 1933770000 - Conn Feed-Through Terminal Block 3 POS ST T DIN Rail

Weidmuller

Conn Feed-Through Terminal Block 3 POS ST T DIN Rail

  • In Stock: 25

    Immediately


  • 1
    $4.653
  • 40
    $4.230
  • 100
    $4.060
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Phoenix Contact 2900355 - PLC-INTERFACE - consisting of PLC-BPT.../21 basic terminal b...

Phoenix Contact

PLC-INTERFACE - consisting of PLC-BPT.../21 basic terminal block with push-in connection and plug-in miniature so ...

  • In Stock: 16

    Immediately


  • 3
    $33.61
  • 5 +
    $31.93
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Omron Automation G3RVST500ALACDC24 - Power Relay, 24 VAC/VDC, 14.9 mA, SPDT, DIN Rail, Push-In Te...

Omron Automation

Power Relay, 24 VAC/VDC, 14.9 mA, SPDT, DIN Rail, Push-In Term, G3RV-ST Series | Omron Automation G3RV-ST500-AL A ...

  • In Stock: 10

    Immediately


  • 1
    $64.48
  • 5
    $57.54
  • 10
    $55.82
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Phoenix Contact 3006205 - Installation terminal block - Screw connection - cross secti...

Phoenix Contact

Installation terminal block - Screw connection - cross section: 2.5 mm² - 25 mm² - AWG: 12 - 4 - width: 12.2 mm - ...

  • In Stock: 9

    Immediately


  • 2
    $18.60
  • 25
    $17.67
  • 50 +
    $16.79
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ABB 1SVR730774R3300 - Phase Monitoring Relay - DPDT - 4A - 250V - 1SVR730 Series -...

ABB

Phase Monitoring Relay - DPDT - 4A - 250V - 1SVR730 Series - Screw Terminal - DIN Rail Mount.

  • In Stock: 6

    Immediately


  • 1
    $463.93
  • 3
    $439.52
  • 5
    $438.42
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Phoenix Contact 2966663 - PLC-INTERFACE - consisting of PLC-BSC.../21 basic terminal b...

Phoenix Contact

PLC-INTERFACE - consisting of PLC-BSC.../21 basic terminal block with screw connection and plug-in miniature soli ...

  • In Stock: 3

    Immediately


  • 2
    $47.25
  • 5 +
    $44.89
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Grayhill 70G-OAC5 - I/O Module Relays Output Module 120VAC 4000Vrms Thru-Hole

Grayhill

I/O Module Relays Output Module 120VAC 4000Vrms Thru-Hole

  • On Order: 190

    Ships 12/9/26


  • 5
    $16.94
  • 25
    $16.08
  • 50
    $15.92
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Altech CA724/3 - Screw Clamp Terminal Block Accessories, Internal Jumper Asse...

Altech

Screw Clamp Terminal Block Accessories, Internal Jumper Assemblies

  • MANUFACTURER STOCK 599

    Ships 9/14/26


  • 50
    $1.135
  • 250
    $0.922
  • 500
    $0.881
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Altech CMDB4/10 - Distribution Block - 6mm - 20 Out - 35A - 600V - Gray.

Altech

Distribution Block - 6mm - 20 Out - 35A - 600V - Gray.

  • MANUFACTURER STOCK 64

    Ships 9/14/26


  • 5
    $15.52
  • 25
    $14.06
  • 50
    $13.43
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Altech CPF4NL110-240V/BL - Din Terminal Block, Push-in, Fuse, 5X20MM, With Led 110-240V...

Altech

Din Terminal Block, Push-in, Fuse, 5X20MM, With Led 110-240V Ac/dc, 10A, 600V,

  • 9 Weeks

  • 5
    $6.04
  • 50
    $4.91
  • 100
    $4.69
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Schneider Electric STBXTS2100 - Modicon STB - 6 pin removable connector - for digital I/O mo...

Schneider Electric

Modicon STB - 6 pin removable connector - for digital I/O module

  • 2 Weeks

  • 1
    $229.31
  • 5
    $222.94
  • 10
    $219.89
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WAGO 753-437 - 8-channel digital input - 24 VDC - 0.2 ms - Low-side switchi...

WAGO

8-channel digital input - 24 VDC - 0.2 ms - Low-side switching

  • 5 Weeks

  • 1
    $251.20
  • 3
    $232.09
  • 5
    $224.76
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  • 7 Weeks

  • 1
    $1,431.23
  • 3
    $1,393.06
  • 5 +
    $1,356.88
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Phoenix Contact 2297060 - "4 in 1" three-phase semiconductor reversing contactor with ...

Phoenix Contact

"4 in 1" three-phase semiconductor reversing contactor with 230 V AC input - 9 A output current - emergency stop ...

  • 2 Weeks

  • 1
    $234.69
  • 5 +
    $222.96
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Phoenix Contact 3042269 - COMBI receptacle - nom. voltage: 500 V - nominal current: 24...

Phoenix Contact

COMBI receptacle - nom. voltage: 500 V - nominal current: 24 A - connection method: Plug connection - number of c ...

  • 2 Weeks

  • 10
    $4.36
  • 50 +
    $4.14
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  • 4 Weeks

  • 2
    $23.68
  • 10 +
    $22.50
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  • 16 Weeks

  • 2
    $1,576.33
  • 3
    $1,112.70
  • 4
    $880.89
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Altech CP6/10/3 - Terminal Block - Feed Through - 3 Position - 1 Level - 57A 1...

Altech

Terminal Block - Feed Through - 3 Position - 1 Level - 57A 1000V IEC / 44A 600V UL - 8 to 20 AWG - 8mm Width - Pu ...

  • 5 Weeks

  • 5
    $9.17
  • 25
    $8.31
  • 50
    $7.94
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Phoenix Contact 3211857 - Ground modular terminal block - connection method: Push-in c...

Phoenix Contact

Ground modular terminal block - connection method: Push-in connection - Screw connection - cross section: 0.2 mm² ...

  • 9 Weeks

  • 4
    $6.76
  • 25
    $6.42
  • 50 +
    $6.10
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Phoenix Contact 3270091 - Disconnect terminal block - nom. voltage: 400 V - nominal cu...

Phoenix Contact

Disconnect terminal block - nom. voltage: 400 V - nominal current: 20 A - connection method: Push-in connection - ...

  • 4 Weeks

  • 10
    $4.20
  • 50 +
    $3.99
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