Terminal Blocks - Interface Modules

Image Part Number Description / PDF Quantity Rfq
5506.5

5506.5

Altech Corporation

INTERFACE RELAY MODULE 16CH BUSS

0

2394979

2394979

Phoenix Contact

INTERFACE MOD HDR 50POS 12-24AWG

0

5701.2

5701.2

Altech Corporation

INTERFACE MODULE BSM12-S 24 SOLD

10

2394982

2394982

Phoenix Contact

INTERFACE MOD HDR 50POS 12-24AWG

0

2969055

2969055

Phoenix Contact

INTERFACE MOD HDR 50POS 14-26AWG

0

2322236

2322236

Phoenix Contact

INTERFACE MOD DSUB FMALE 50POS

1

2908846

2908846

Phoenix Contact

VARIOFACE COMPACT LINE INTERFACE

72

2962560

2962560

Phoenix Contact

INTERFACE MOD HDR 16POS 16-26AWG

0

5729.2

5729.2

Altech Corporation

INTERFACE MODULE FBK64 RIBBON CA

0

7940021585

7940021585

Weidmuller

TBY-C3-RI32-AKB ADV151 24VDC

0

8929.6

8929.6

Altech Corporation

INTERFACE RELAY MODULE 2CH ISOLS

0

8537370000

8537370000

Weidmuller

INTERFACE MOD DSUB MALE 25POS

0

8975.2

8975.2

Altech Corporation

INTERFACE MODULE DM24-S DM 1A DI

0

8155600000

8155600000

Weidmuller

INTERFACE MODULE HDR 20POS

0

XW2D-50Y6

XW2D-50Y6

Omron Automation & Safety Services

INTERFACE MODULE HDR 50POS

0

XW2R-J60G-T

XW2R-J60G-T

Omron Automation & Safety Services

INTERFACE MOD RCPT 60PS 16-26AWG

0

5744.2/P

5744.2/P

Altech Corporation

INTERFACE MODULE SD-M50 SUB-DMAL

0

5705.2/P

5705.2/P

Altech Corporation

DM22-A-S DIODE MODULE 1 22P COMM

0

8537390000

8537390000

Weidmuller

INTERFACE MOD DSUB MALE 15POS

0

5606223

5606223

Phoenix Contact

UM 108 BK 100 CM

0

Terminal Blocks - Interface Modules

1. Overview

Terminal Blocks and Interface Modules are essential components in electrical and electronic systems, providing secure connections between wires and devices. Terminal Blocks are modular housing units that protect and organize electrical connections, while Interface Modules act as intermediaries between different system components, converting signals or power. These components are critical in industrial automation, energy distribution, and control systems, ensuring reliability, scalability, and maintenance efficiency.

2. Major Types and Functional Classification

TypeFunctional CharacteristicsApplication Examples
Screw Terminal BlocksUse screws for wire clamping; high current capacityIndustrial control panels, HVAC systems
Spring Clamp Terminal BlocksTool-free wire insertion; vibration-resistantAutomotive electronics, robotics
PCB Terminal BlocksDirect PCB mounting; compact designConsumer electronics, instrumentation
DIN Rail Interface ModulesStandardized rail mounting; modular expansionFactory automation, process control
Signal Conversion ModulesConvert analog/digital signals; galvanic isolationPLC systems, IoT devices

3. Structure and Components

Typical terminal blocks consist of: - Conductive Elements: Brass/copper alloys with gold/silver plating for low resistance - Insulation Housing: Thermoplastic (PA66, PBT) with UL94 V-0 flammability rating - Clamping Mechanism: Screw/spring systems with mechanical stops - Marking Systems: Laser-etched labels for wire identification Interface modules add integrated circuits, optical isolators, or signal conditioning components.

4. Key Technical Specifications

ParameterTypical RangeImportance
Voltage Rating50-1000V AC/DCDetermines insulation requirements
Current Capacity1-250ADictates conductor size selection
Temperature Range-40 C to +120 CEnvironmental durability indicator
Contact Resistance<10m Impacts power efficiency
IP RatingIP20-IP68Defines protection against dust/water

5. Application Fields

  • Industrial Automation: PLC cabinets, motor control centers
  • Energy Systems: Solar inverters, wind turbine junction boxes
  • Transportation: Rail vehicle control systems, EV charging stations
  • Building Technology: Smart HVAC systems, lighting controls
  • Process Industry: Petrochemical plant instrumentation

6. Leading Manufacturers and Products

ManufacturerRepresentative ProductKey Features
Phoenix ContactPT 10-2,5/2-H-SCSpring clamp, 24A/400V, push-in wiring
TE ConnectivityMiniQ88High-density PCB terminals, 8.8mm pitch
Weidm llerOMNIMATE PCB Terminal BlocksMulti-level stacking, automated test systems
WAGO753-613 Interface RelayPlug-in module, 10A switching capacity

7. Selection Recommendations

Key considerations: - Environmental factors (temperature, vibration, chemical exposure) - Electrical parameters (voltage/current harmonics) - Installation constraints (space limitations, DIN rail compatibility) - Maintenance requirements (tool-free vs. screw-based solutions) - Future expandability (modular vs. fixed designs)

8. Industry Trends

Emerging trends include: - Miniaturization for space-constrained applications - Integrated diagnostics (IoT-enabled terminals) - Increased use of surface-mount technology (SMT) - Development of eco-friendly materials (halogen-free polymers) - Standardization of modular interface systems (e.g., IEC 61557-12) - Enhanced cybersecurity features in industrial communication modules

Application Case: In a smart factory automation system, Phoenix Contact's modular terminal blocks with built-in signal conditioning reduced wiring time by 40% while enabling real-time monitoring through integrated IoT interfaces.

RFQ BOM Call Skype Email
Top