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 / ABB Entrelec, OPTO-22, Panasonic Electronic Components, Schneider Electric-Legacy Relays, OTTO Controls 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
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Phoenix Contact 3212120 - Feed-through terminal block - nom. voltage: 1000 V - nominal...

Phoenix Contact

Feed-through terminal block - nom. voltage: 1000 V - nominal current: 57 A - connection method: Push-in connectio ...

  • In Stock: 256

    Immediately

  • On Order: 432

    Ships 9/9/26


  • 10
    $4.21
  • 50 +
    $4.00
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Phoenix Contact 3210609 - The 3210609 is a gray, double-level terminal block that util...

Phoenix Contact

The 3210609 is a gray, double-level terminal block that utilizes a push-in connection method for conductors rangi ...

  • In Stock: 157

    Immediately


  • 5
    $5.81
  • 25
    $5.52
  • 50 +
    $5.24
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Phoenix Contact 2718015 - Sensor/actuator terminal block - connection method: Screw co...

Phoenix Contact

Sensor/actuator terminal block - connection method: Screw connection - cross section: 0.2 mm² - 4 mm² - AWG: 24 - ...

  • In Stock: 129

    Immediately

  • MANUFACTURER STOCK 129

    Ships 9/14/26


  • 3
    $12.74
  • 25
    $12.11
  • 50 +
    $11.50
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Phoenix Contact 3273118 - Distribution block - Block with vertical alignment and integ...

Phoenix Contact

Distribution block - Block with vertical alignment and integrated supply - The blocks can be bridged with one ano ...

  • In Stock: 122

    Immediately

  • MANUFACTURER STOCK 348

    Ships 9/14/26


  • 4
    $6.64
  • 8 +
    $6.31
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Phoenix Contact 1840573 - Feed-through connector - nominal current: 20 A - rated volta...

Phoenix Contact

Feed-through connector - nominal current: 20 A - rated voltage (III/2): 630 V - nominal cross section: 4 mm² - nu ...

  • In Stock: 111

    Immediately


  • 5
    $11.83
  • 25
    $11.71
  • 50
    $11.63
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Phoenix Contact 1272440 - DIN Rail Terminal Blocks UT 10 BN

Phoenix Contact

DIN Rail Terminal Blocks UT 10 BN

  • In Stock: 40

    Immediately


  • 34
    $2.22
  • 50 +
    $2.11
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OPTO-22 AD7 - I/O Module Relays Input Module 4000Vrms Plug-In

OPTO-22

I/O Module Relays Input Module 4000Vrms Plug-In

  • In Stock: 7

    Immediately


  • 1
    $172.48
  • 5
    $169.11
  • 10
    $168.69
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Phoenix Contact 3273128 - Distribution block - Block with vertical alignment and integ...

Phoenix Contact

Distribution block - Block with vertical alignment and integrated supply - The blocks can be bridged with one ano ...

  • In Stock: 7

    Immediately


  • 1
    $6.941
  • 12 +
    $6.310
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IDEC Corporation RV8H-L-D9 - Electromechanical Relay 9VDC 485Ohm 6A SPDT Socket Interface...

IDEC Corporation

Electromechanical Relay 9VDC 485Ohm 6A SPDT Socket Interface Relay

  • In Stock: 5

    Immediately


  • 5
    $13.71
  • 25
    $10.61
  • 50
    $10.32
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Phoenix Contact 3273058 - Distribution block - Block with vertical alignment - The blo...

Phoenix Contact

Distribution block - Block with vertical alignment - The blocks can be bridged with one another via the conductor ...

  • In Stock: 2

    Immediately


  • 1
    $6.369
  • 13 +
    $5.790
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Phoenix Contact 1078680 - PLC-INTERFACE for high inrush currents - consisting of PLC-B...

Phoenix Contact

PLC-INTERFACE for high inrush currents - consisting of PLC-BSC.../1 IC/ACT basic terminal block with screw connec ...

  • In Stock: 1

    Immediately

  • MANUFACTURER STOCK 10

    Ships 9/7/26


  • 1
    $27.99
  • 5 +
    $26.59
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Phoenix Contact 2970565 - VARIOFACE module - for IEC 603/DIN 41612 connector - type C ...

Phoenix Contact

VARIOFACE module - for IEC 603/DIN 41612 connector - type C - 64-pos. - a - c components mounted - with male conn ...

  • On Order: 2

    Ships 9/10/26


  • 1
    $351.47
  • 5 +
    $333.90
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Altech CDL4UN/BL - The CDL4UN/BL is a double-level, feed-through screw terminal...

Altech

The CDL4UN/BL is a double-level, feed-through screw terminal block for high-density wiring applications.

  • MANUFACTURER STOCK 939

    Ships 9/14/26


  • 100
    $2.06
  • 300
    $1.97
  • 500
    $1.91
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Altech CY4/R - Terminal Block - Feed Through - 2 Position - 1 Level - 32A 1...

Altech

Terminal Block - Feed Through - 2 Position - 1 Level - 32A 1000V IEC / 30A 600V UL - 10 to 24 AWG - 6mm Width - S ...

  • MANUFACTURER STOCK 511

    Ships 9/14/26


  • 100
    $1.048
  • 300
    $1.016
  • 500
    $0.970
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Altech CX6/O - DIN Rail Feed Through Terminal Block - Spring Contact - 2 Co...

Altech

DIN Rail Feed Through Terminal Block - Spring Contact - 2 Connection - 24-8 AWG / 0.2-6 mm² - 600V/ 1000V - 50 A ...

  • MANUFACTURER STOCK 500

    Ships 9/14/26


  • 100
    $1.70
  • 300
    $1.63
  • 500
    $1.58
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Altech CX2.5/Y - The CX2.5/Y is a yellow, feed-through spring terminal block ...

Altech

The CX2.5/Y is a yellow, feed-through spring terminal block designed for secure wire termination.

  • MANUFACTURER STOCK 331

    Ships 9/14/26


  • 100
    $0.855
  • 300
    $0.828
  • 500
    $0.791
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Phoenix Contact 2864134 - MCR power terminal block for supplying several MINI Analog m...

Phoenix Contact

MCR power terminal block for supplying several MINI Analog modules via the DIN rail connector - with screw connec ...

  • MANUFACTURER STOCK 22

    Ships 9/14/26


  • 1
    $101.35
  • 5 +
    $96.28
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OPTO-22 G4DA10 - I/O Module Relays Output Module 0.3A 4000Vrms Thru-Hole/Plug...

OPTO-22

I/O Module Relays Output Module 0.3A 4000Vrms Thru-Hole/Plug-In

  • 2 Weeks

  • 1
    $254.33
  • 3
    $240.96
  • 5 +
    $234.78
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Phoenix Contact 2800017 - Feed-through terminal block - With test socket screws for in...

Phoenix Contact

Feed-through terminal block - With test socket screws for insertion of test plugs - nom. voltage: 400 V - nominal ...

  • 6 Weeks

  • 2
    $14.8794
  • 25
    $14.4300
  • 50 +
    $14.0000
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Phoenix Contact 3209662 - Feed-through terminal block - nom. voltage: 500 V - nominal ...

Phoenix Contact

Feed-through terminal block - nom. voltage: 500 V - nominal current: 24 A - connection method: Push-in / plug con ...

  • 5 Weeks

  • 10
    $2.53
  • 50 +
    $2.40
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Phoenix Contact 3057416 - Test disconnect terminal block - nom. voltage: 500 V - nomin...

Phoenix Contact

Test disconnect terminal block - nom. voltage: 500 V - nominal current: 28 A - connection method: Screw/plug-in c ...

  • 6 Weeks

  • 5
    $5.66
  • 25
    $5.38
  • 50 +
    $5.11
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Phoenix Contact 3212413 - Ground modular terminal block - connection method: Push-in /...

Phoenix Contact

Ground modular terminal block - connection method: Push-in / plug connection - number of connections: 4 - cross s ...

  • 3 Weeks

  • 4
    $6.73
  • 25
    $6.39
  • 50 +
    $6.07
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Phoenix Contact 1047431 - Distribution block - bridged internally - nom. voltage: 450 ...

Phoenix Contact

Distribution block - bridged internally - nom. voltage: 450 V - nominal current: 17.5 A - connection method: Push ...

  • 4 Weeks

  • 3
    $8.73
  • 10 +
    $8.29
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Omron Automation XW5GS60111 - Conn Ground Terminal Block 2 POS Screw DIN Rail

Omron Automation

Conn Ground Terminal Block 2 POS Screw DIN Rail

  • 13 Weeks

  • 5
    $7.38
  • 25
    $6.19
  • 100
    $5.73
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Phoenix Contact 3273294 - Distribution block - Basic terminal block - The blocks can b...

Phoenix Contact

Distribution block - Basic terminal block - The blocks can be bridged with one another via the conductor shaft. F ...

  • 2 Weeks

  • 8
    $3.99
  • 40 +
    $3.79
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