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Terminal Blocks - Interface Modules

Category Introduction

Terminal block interface modules are devices used to connect I/O cards and equipment together. They are typically found in industrial applications. The modules consist of a control and process connector or terminal block and typically another device such as a circuit breaker, fuse, led, etc. on a single rail mounted circuit board. Connection types include: D-sub, RJ45, rectangular, card edge, and more.

Product List

1633 Items
PDF Mfr Part # Quantity
Available		 UnitPrice RFQ Series Packaging Product StatusProcess Side ConnectionControl Side ConnectionControl Side Cable RetainerPositions / PolesFeaturesVoltage - RatedCurrent Rating (Per Contact)Operating TemperatureLengthWidthWire Gauge
2315188
2315188
INTERFACE MOD DSUB FMALE 25POS
Phoenix Contact
 10 $71.77
VARIOFACE, VIP Box ActiveTerminal Blocks - Screw ConnectionD-Sub, FemaleJackscrew Socket25-125V2 A-20°C ~ 50°C2.260" (57.40mm)2.717" (69.01mm)12-24 AWG
2904290
2904290
INTERFACE MOD RJ45 JACK 8POS
Phoenix Contact
 7 $82.56
VARIOFACE, VIP Bulk ActiveTerminal Blocks - Spring ConnectionRJ45 Jack-8-48V1 A-20°C ~ 50°C1.047" (26.60mm)2.984" (75.79mm)14-26 AWG
2901646
2901646
INTERFACE MODULE RJ45 JACK
Phoenix Contact
 5 $82.58
INTERFACE FL Bulk ActiveRJ45 JackRJ45 Jack------25°C ~ 70°C1.142" (29.01mm)3.528" (89.61mm)-
2901643
2901643
INTERFACE MOD RJ45 JACK 8POS
Phoenix Contact
 2 $91.90
INTERFACE FL Bulk ActiveTerminal Blocks - Screw ConnectionRJ45 Jack-8----25°C ~ 70°C1.142" (29.01mm)3.528" (89.61mm)16-26 AWG
2322414
2322414
INTERFACE MOD DSUB FMALE 26POS
Phoenix Contact
 5 $100.19
VARIOFACE, VIP Bulk ActiveTerminal Blocks - Screw ConnectionD-Sub, FemaleJackscrew Socket26-125V1 A-20°C ~ 50°C2.059" (52.30mm)2.717" (69.01mm)12-24 AWG
2315201
2315201
INTERFACE MOD DSUB FMALE 50POS
Phoenix Contact
 5 $128.17
VARIOFACE, VIP Box ActiveTerminal Blocks - Screw ConnectionD-Sub, FemaleJackscrew Socket50-125V2 A-20°C ~ 50°C3.866" (98.20mm)2.717" (69.01mm)12-24 AWG
2315010
2315010
INTERFACE MOD HDR 10POS 12-24AWG
Phoenix Contact
 13 $41.37
VARIOFACE, VIP Box ActiveTerminal Blocks - Screw ConnectionRectangular, MaleLatches10-60V1 A-20°C ~ 50°C1.366" (34.70mm)2.579" (65.50mm)12-24 AWG
LDSUB-25-MF
LDSUB-25-MF
INTERFACE MOD DSUB 25PS 14-22AWG
American Electrical Inc.
 15 $69.65
Box ActiveTerminal Blocks - Screw ConnectionD-Sub, Female and MaleJackscrew Socket25--1 A-10°C ~ 50°C--14-22 AWG
2964319
2964319
INTERFACE MOD SCREW 12-24AWG
Phoenix Contact
 2 $70.66
INTERFACE Bulk ActiveTerminal Blocks - Screw ConnectionTerminal Blocks - Screw Connection------20°C ~ 50°C0.244" (6.20mm)3.150" (80.00mm)12-24 AWG
2903794
2903794
INTERFACE MOD HDR 50POS 14-26AWG
Phoenix Contact
 4 $98.56
VARIOFACE, VIP Bulk ActiveTerminal Blocks - Spring ConnectionRectangular, MaleLatches50-60VAC/DC1 A-20°C ~ 50°C3.650" (92.71mm)2.984" (75.79mm)14-26 AWG
2322427
2322427
INTERFACE MOD DSUB FMALE 44POS
Phoenix Contact
 6 $117.64
VARIOFACE, VIP Bulk ActiveTerminal Blocks - Screw ConnectionD-Sub, FemaleJackscrew Socket44-125V1 A-20°C ~ 50°C3.264" (82.91mm)2.717" (69.01mm)12-24 AWG
778676-01
778676-01
DIN-RAIL HORIZONTAL MOUNT 37-PIN
NI
 3 $141.89
C Box ActiveTerminal Blocks - Screw ConnectionD-Sub, FemaleJackscrew Socket37----4.011" (101.88mm)3.346" (84.99mm)12-30 AWG
778673-01
778673-01
37-PIN DSUB TO SCREW TERMINAL BL
NI
 2 $162.88
S Box ActiveTerminal Blocks - Screw ConnectionD-Sub, FemaleJackscrew Socket37----3.990" (101.35mm)3.030" (76.96mm)12-30 AWG
LDSUB-15-MF
LDSUB-15-MF
INTERFACE MOD DSUB 15PS 14-22AWG
American Electrical Inc.
 18 $55.18
Box ActiveTerminal Blocks - Screw ConnectionD-Sub, Female and MaleJackscrew Socket15--1 A-10°C ~ 50°C--14-22 AWG
2904933
2904933
INTERFACE MODULE RJ45 JACK
Phoenix Contact
 5 $86.23
INTERFACE FL Bulk ActiveRJ45 JackRJ45 Jack------40°C ~ 85°C0.886" (22.50mm)3.071" (78.00mm)-
39170-1114
39170-1114
39170-1114
Molex
 19 $54.29
Box Active-----------
39170-2115
39170-2115
39170-2115
Molex
 9 $60.10
Box Active-----------
39170-1026
39170-1026
39170-1026
Molex
 7 $68.42
Box Active-----------
39170-1150
39170-1150
39170-1150
Molex
 9 $94.71
Box Active-----------
2315117
2315117
INTERFACE MOD DSUB MALE 9POS
Phoenix Contact
 15 $48.64
VARIOFACE, VIP Box ActiveTerminal Blocks - Screw ConnectionD-Sub, MaleJackscrew Socket9-125V2 A-20°C ~ 50°C1.366" (34.70mm)2.579" (65.50mm)12-24 AWG

About Terminal Blocks - Interface Modules

What are Terminal Blocks - Interface Modules?

Terminal Blocks - Interface Modules

Terminal Blocks - Interface Modules are essential components in electrical and electronic systems, serving as a bridge for connecting different circuits. These modules facilitate the secure and efficient transmission of electrical signals or power between devices, systems, or subsystems. They work by providing a convenient and organized way to connect wires, ensuring a reliable electrical connection. The basic operating principle involves clamping wires into a conductive metal strip, which is then connected to other circuits or devices, allowing for easy maintenance, troubleshooting, and system modifications.

Types of Terminal Blocks - Interface Modules

1. Screw Terminal Blocks

Screw terminal blocks are the most common type, using screws to secure wires in place. They are known for their reliability and are suitable for applications where a strong, vibration-resistant connection is required. These blocks are versatile and can accommodate various wire sizes, making them ideal for general-purpose use.

2. Spring Clamp Terminal Blocks

Spring clamp terminal blocks use a spring mechanism to hold wires in place, offering a tool-free installation process. They are favored in applications requiring quick and frequent connections or disconnections. The spring mechanism ensures a consistent connection pressure, which is beneficial in environments with temperature fluctuations.

3. Push-In Terminal Blocks

Push-in terminal blocks allow for easy wire insertion without the need for tools, making them suitable for high-volume production environments. They provide a secure connection with minimal effort, reducing installation time and labor costs. These blocks are ideal for applications where space is limited.

4. Barrier Terminal Blocks

Barrier terminal blocks feature a physical barrier between terminals to prevent short circuits and enhance safety. They are commonly used in high-voltage applications where isolation between connections is critical. These blocks are designed to handle larger wire sizes and higher current ratings.

How to choose Terminal Blocks - Interface Modules?

When selecting terminal blocks - interface modules, consider the following key parameters:

  • Current and Voltage Ratings: Ensure the terminal block can handle the electrical load of your application.
  • Wire Size Compatibility: Choose a block that accommodates the wire gauge you are using.
  • Connection Type: Decide between screw, spring, push-in, or barrier types based on your installation needs.
  • Environmental Conditions: Consider factors such as temperature, humidity, and exposure to chemicals or vibrations.
  • Mounting Style: Determine whether you need DIN rail, panel, or PCB mounting options.

To evaluate product quality and reliability, review supplier certifications, customer reviews, and product testing standards. Consider the manufacturer's reputation and warranty offerings. Installation requirements may vary, so ensure compatibility with existing systems and compliance with industry standards.

Applications of Terminal Blocks - Interface Modules

1. Industrial Automation

In industrial automation, terminal blocks - interface modules are used to connect sensors, actuators, and control systems. They facilitate the seamless integration of various components, ensuring efficient communication and power distribution across the automation network.

2. Telecommunications

In telecommunications, these modules are crucial for connecting and managing complex wiring systems in network infrastructure. They ensure reliable signal transmission and are used in both central offices and remote installations.

3. Energy and Power Distribution

Terminal blocks - interface modules are employed in power distribution systems to connect transformers, circuit breakers, and distribution panels. They provide a safe and organized way to manage high-voltage connections, ensuring system reliability and safety.

4. Transportation

In the transportation industry, these modules are used in vehicles and rail systems to connect electrical components, such as lighting, signaling, and control systems. They offer robust connections that withstand vibrations and environmental challenges.

5. Building Automation

In building automation, terminal blocks - interface modules connect HVAC systems, lighting controls, and security systems. They enable centralized control and monitoring, enhancing energy efficiency and building management capabilities.