| Image | Part Number | Description / PDF | Quantity | Rfq |
|---|---|---|---|---|
 |
Weidmuller |
INTERFACE MOD D-SUB MALE 25POS |
0 |
|
 |
Weidmuller |
INTERFACE MODULE HDR 34POS |
0 |
|
 |
Weidmuller |
RS SD44M HD UNC4.40 S |
724 |
|
 |
Weidmuller |
INTERFACE MOD D-SUB MALE 37POS |
314 |
|
 |
Weidmuller |
RS SD44F HD UNC4.40 S |
458 |
|
 |
Weidmuller |
INTERFACE MODULE HDR 50POS |
583 |
|
 |
Weidmuller |
INTERFACE MODULE HDR 40POS |
232 |
|
 |
Weidmuller |
INTERFACE MOD DSUB FMALE 25POS |
27 |
|
 |
Weidmuller |
INTERFACE MOD HDR 60POS 12-26AWG |
0 |
|
|
Weidmuller |
INTERFACE MOD HDR 64POS 12-26AWG |
0 |
|
|
Weidmuller |
LEVER - ASK 1 W/O LED HOLE |
0 |
|
|
Weidmuller |
INTERFACE MOD D-SUB MALE 15POS |
1 |
|
|
Weidmuller |
INTERFACE MOD HDR 26POS 16-26AWG |
0 |
|
|
Weidmuller |
INTERFACE MOD HDR 10POS 12-26AWG |
0 |
|
|
Weidmuller |
INTERFACE MOD DSUB FMALE 37POS |
0 |
|
|
Weidmuller |
RD-9JS |
0 |
|
|
Weidmuller |
INTERFACE MOD HDR 50POS 14-24AWG |
0 |
|
|
Weidmuller |
INTERFACE MOD HDR 34POS 16-26AWG |
0 |
|
|
Weidmuller |
INTERFACE MOD HDR 20POS 16-26AWG |
0 |
|
|
Weidmuller |
INTERFACE MOD DSUB MALE 37POS |
0 |
|
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.
| Type | Functional Characteristics | Application Examples |
|---|---|---|
| Screw Terminal Blocks | Use screws for wire clamping; high current capacity | Industrial control panels, HVAC systems |
| Spring Clamp Terminal Blocks | Tool-free wire insertion; vibration-resistant | Automotive electronics, robotics |
| PCB Terminal Blocks | Direct PCB mounting; compact design | Consumer electronics, instrumentation |
| DIN Rail Interface Modules | Standardized rail mounting; modular expansion | Factory automation, process control |
| Signal Conversion Modules | Convert analog/digital signals; galvanic isolation | PLC systems, IoT devices |
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.
| Parameter | Typical Range | Importance |
|---|---|---|
| Voltage Rating | 50-1000V AC/DC | Determines insulation requirements |
| Current Capacity | 1-250A | Dictates conductor size selection |
| Temperature Range | -40 C to +120 C | Environmental durability indicator |
| Contact Resistance | <10m | Impacts power efficiency |
| IP Rating | IP20-IP68 | Defines protection against dust/water |
| Manufacturer | Representative Product | Key Features |
|---|---|---|
| Phoenix Contact | PT 10-2,5/2-H-SC | Spring clamp, 24A/400V, push-in wiring |
| TE Connectivity | MiniQ88 | High-density PCB terminals, 8.8mm pitch |
| Weidm ller | OMNIMATE PCB Terminal Blocks | Multi-level stacking, automated test systems |
| WAGO | 753-613 Interface Relay | Plug-in module, 10A switching capacity |
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)
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.