INTERFACE Components (IF)

Interface Components (IF) are essential electromechanical and electronic devices designed to bridge control signals between different voltage levels, current ratings, and signal types in industrial automation systems. These components include interface relays, optocouplers, signal conditioners, and isolation amplifiers, typically featuring coil ...

Interface Components (IF) are essential electromechanical and electronic devices designed to bridge control signals between different voltage levels, current ratings, and signal types in industrial automation systems. These components include interface relays, optocouplers, signal conditioners, and isolation amplifiers, typically featuring coil voltages from 12 VDC to 230 VAC, contact ratings up to 10 A, and configurations such as 1P, 2P, or 4P. They are available in modular DIN-rail mount housings with screw or spring-cage terminals, ensuring reliable signal conversion and galvanic isolation in control panels.

Interface Components are deployed in a wide range of industrial environments, including PLC and DCS output signal amplification, sensor-to-controller interfacing, motor control centers, and building automation systems. They are critical in applications requiring voltage matching, noise suppression, and protection of sensitive electronics from transient surges, commonly found in manufacturing plants, power distribution substations, and process automation facilities.

Key subcategories within Interface Components include Interface Relays (e.g., PLC-RSC series), Optocoupler Modules (e.g., OPT- series), and Signal Conditioners (e.g., MCR series). Article codes typically follow a pattern like PLC-RSC-24DC/21-21, where the first segment indicates the series, followed by the coil voltage (e.g., 24DC), and the contact configuration (e.g., 21 for 1 NO + 1 NC). Other common codes include DEK-REL- 24VDC and ST-REL- 230VAC.

Electric Automation Network offers global express shipping and specialized engineering support for Interface Components. Our engineers provide personalized assistance with signal compatibility, load calculations, and system integration, ensuring optimal performance. With real-time pricing and detailed technical documentation per article, we streamline procurement for industrial projects worldwide.

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Manufacturer Code Reference Catalog Number Description Delivery Price

2908738

FA MCR-HT-FH-PM

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Mounting kit

Tube Attachment for FA MCR-HT-FH Field Housing

Pipe fastening for FA MCR-HT-FH field housing

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2909782

CABLE-D37SUB/F/FLK20/4000

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Cable

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2909531

PLC-RPT-12DC/21HC/EX

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Relay Module

PLC-INTERFACE, consisting of a base terminal block for mounting on a 14 mm rail with push-in connection and plug-in relay with 10 A power contact, 1 switched contact, 12 V DC input voltage. Approved according to ATEX/IECEx (zone 2) and zoneEx class I, div. 2.

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2908174

PLC-OPT-120UC/V8C/SEN

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Solid-state relay module

PLC-INTERFACE for input functions in PLC logic, with push-in connection and plug-in miniature solid-state relay, for rail mounting, 1 normally open contact, input: 120 V AC/110 V DC

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2907426

FUSE/NANO/10A/F-10PCS

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Fuse set

Plug-in fuse (TE5®); Amperage Rating: 10 A; Firing Behavior: Fast (F)

Plug-in fuse (TE5®); nominal current: 10 A; tripping behavior: fast-blow (F)

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2908465

VIP-3/PT/2FLK14/AN/2P/S7-1500A

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Passive module

VARIOFACE COMPACT LINE interconnect module for Siemens S7-1500 systems with specific marking S7-1500, for channels 1 – 16, with push-in connection, module width: 82.5 mm

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1019661

VIP-CAB-FLK20/FS/FS/HF/10,0M

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Cable

Halogen-free round cable; Connection 1: Female IDC/FLK connection (1x 20-pole, 180°-output); 2 connection: IDC/FLK connection female (1x 20-pole, 180°-output); Cable length: 10 m

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2908735

FA MCR-HT-D

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Display

Display unit for direct insertion into the FA MCR head transmitter-...

Display unit for plugging directly into the FA MCR-... head transmitter

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2910421

IOA REL 230V DO/BFI/NO/3.0A/EX

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Input/output module

Relay module for Marshalling VIP I/O base elements. To switch loads from 230 V AC up to max. 3 A. Includes fuse and fuse fault indication. A normally open contact can be used.

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2908913

VIP-PA-PWR/20XOE/HF/ 4,0M/S7

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Front adapters

VIP-Power cabling, universal halogen-free insulated front adapter, for connection to conventional SIMATIC S7-300 20-pin I/O modules, via 20 independent conductors at the cable junction, non-assembled (field connection, e.g. via 20 terminal blocks), cable length: 4 m

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1003291

EM-CPS-DA-45S/16A

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Adapter

Standard device adapter with CrossLink® interface and a fixed rail, assigned current: 16 A

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2909881

CABLE-D37SUB/F/2XFLK24/1500/S

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Cable

Shielded ready-made round cable; Connection 1: Female IDC/FLK connection (2x 24-poles); Connection 2: Female connection D-SUB (1x 37-poles); Cable length: 15 m

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2909671

PLC-RPT-12DC/21AU/MS

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Relay Module

PLC-INTERFACE for input functions, consisting of PLC-BPT.../21 base terminal block with push-in connection and plug-in miniature relay with multi-layer gold contact and manual operation, 1 switched contact, input voltage 12 V DC

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2908904

VIP-PA-PWR/40XOE/HF/ 6,0M/S7

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Front adapters

VIP-Power cabling, universal front adapter with halogen-free insulation, for connection to conventional 40-pin I/O modules SIMATIC S7-300, via 40 independent conductors at the cable junction, non-assembled (field connection, e.g. via 40 terminal blocks), cable length: 6 m

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2903318

RIF-2-RSC-LV-24AC/4X21

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Relay Module

Pre-assembled relay module with screw connection, consisting of: relay socket, relay with power contact, plug-in indication/antiparasitic module and clamping flange. Contact type: 4 switched contacts. Input voltage: 24 V AC

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2905962

UM-FLK10/PI/FU/ROC800

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Passive module

VARIOFACE module for use with ROC800-PI control boards. UL Recognized, Class I, Div. 2.

VARIOFACE module intended for use with the ROC800 controller PI cards. UL recognized to Class I, Div. 2.

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2908263

CABLE-FLK14/OE/0,14/ 100/SC075

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Cable

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2908215

RIF-1-RPT-LDP-24DC/2X21/FG

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Relay Module

Pre-assembled relay module with push-in connection, consisting of: relay socket, safety relay with forced-conduction contacts according to DIN EN 61810-3, plug-in indication/anti-parasitic module and clamping flange, contact type: 2 switches, input voltage: 24 V DC

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2900930

RIF-1-BSC/2X21

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Relay base

RIF-1 relay socket..., for miniature power relays with 1 or 2 switched contacts or solid-state relays of the same design, screw connection, socket for input/anti-parasitic modules, for rail mounting NS 35/7.5

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1021766

RIF-2-RPT-MH-L-230AC/4X21AU

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Relay Module

Pre-assembled relay module with push-in connection, consisting of: relay socket, power contact relay with additional hard gold plating and metal clamping flange. Contact type: 4 switched contacts. Input voltage: 230 V AC

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2903323

RIF-2-RSC-LV-24AC/2X21

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Relay Module

Pre-assembled relay module with screw connection, consisting of: relay socket, relay with power contact, plug-in indication/antiparasitic module and clamping flange. Contact type: 2 switched contacts. Input voltage: 24 V AC

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2977461

UM 72-16 DIO/MKDS/SO373

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Interface module

VARIOFACE diode module, with screw connection and 16 diodes, individual connection

VARIOFACE diode module, with screw connection and 16 diodes, can be wired individually

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2319760

UM- D25SUB/F/PTS/MSTB/ 374-AO

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Output module

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2909875

FLK-MIL50/EZ-DR/KS/1200/YCS

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Cable

Shielded ready-made round cable; control: Yokogawa CS3000 CentumVP (ADV561, ADV161); Connection 1: Female IDC/FLK connection (1x 50-poles); connection 2: Yokogawa, KS compatible (1x 50-poles); Cable length: 12 m

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2910153

IOA REL 24V DO/BFI/3.0A/EX

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Input/output module

Relay module for Marshalling VIP I/O base elements. To switch loads from 24 V DC up to max. 3 A. Includes fuse and fuse fault indication. Normally open or normally closed contact can be used.

Relay module for Marshalling VIP I/O base elements. To switch loads from 24 V DC up to max. 3 A. Includes fuse and fuse fault indication. Normally open or normally closed contact can be used.

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1003292

EM-CPS-DA-45S/32A

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Adapter

Standard device adapter with CrossLink® interface and one fixed rail, assigned current: 32 A

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2906447

MINI MCR-2-RPS-I-I-OLP-PT

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Loop-powered isolators

1-channel loop-fed 2-way power separator with plug-in connection technology for galvanic separation of analog signals. Input signal = output signal: 0(4) mA ... 20 mA. Push-in connection technology.

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2909787

FLK 24/EZ-DR/2000/KONFEK/S

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Cable

Shielded ready-made round cable; Connection 1: Female IDC/FLK connection (1x 24-poles); Connection 2: Female IDC/FLK connection (1x 24-poles) (Braided screen protrudes from the separate cable end.); Cable length: 20 m

Assembled shielded round cable; connection 1: IDC/FLK socket strip (1x 24-position); connection 2: IDC/FLK socket strip (1x 24-position) (The braided shield is routed to a separate cable end.); cable length: 20 m

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2905691

FLKM-4FLK14/DI/S7-321/PLC

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Passive module

VARIOFACE transfer module for Siemens SIMATIC®S7-300 (6AG1321-7BH01-2AB0), redundant system connector (FLK), with SIMATIC-specific® labeling (1-20), screw connection, module width: 90 mm

VARIOFACE interface module for Siemens SIMATIC® S7-300 (6AG1321-7BH01-2AB0), redundant system connector (FLK), with SIMATIC®-specific marking (1 - 20), screw connection, module width: 90 mm

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2908757

1771-CARDEDGE12/D25F

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Interface card

Allen-Bradley® PLC-5 Migration Module for conversion of 1771 I/O connections from a 12-pin pre-wired pivot module (1771-WB or 1771-WD) to a 25-pin D-SUB socket

Allen-Bradley® PLC-5 Migration Module for conversion of 1771 I/O connections from a 12-pin pre-wired pivot module (1771-WB or 1771-WD) to a 25-pin D-SUB socket

3 View Availability View Price

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