| Image | Part Number | Description / PDF | Quantity | Rfq |
|---|---|---|---|---|
 |
Weidmuller |
CONN TERM BLK KEYING STAR BLACK |
2700 |
|
 |
Weidmuller |
CONN TERM BLK LOCKS PC MT ORANGE |
5371240 |
|
 |
Weidmuller |
CONN TERM BLK END PLATE BLUE |
15420 |
|
 |
Weidmuller |
CONN TERM BLK END PLATE RAIL GRY |
542170 |
|
 |
Weidmuller |
CONN TERM BLK END BRKT RAIL BGE |
446900 |
|
 |
Weidmuller |
CONN TERM BLK END PLATE RAIL BG |
1881100 |
|
 |
Weidmuller |
CONN TERM BLK COVER CLEAR |
488 |
|
 |
Weidmuller |
CONN TERM BLK END PLATE BEIGE |
1050 |
|
 |
Weidmuller |
CONN TERM BLK END PLATE RAIL BG |
21550 |
|
 |
Weidmuller |
CONN TERM BLK END PLATE RAIL YLW |
440150 |
|
 |
Weidmuller |
CONN TERM BLK TEST SOCKET |
610350 |
|
 |
Weidmuller |
RF 180 FOOT FOR RS HOUSINGS |
260400 |
|
 |
Weidmuller |
CONN TERM BLK TEST PLUG |
220 |
|
 |
Weidmuller |
CONN TERM BLK KEYING STAR GRAY |
7750 |
|
 |
Weidmuller |
CONN TERM BLK END PLATE RAIL BLU |
310460 |
|
 |
Weidmuller |
CONN TERM BLK END PLATE RAIL |
2791740 |
|
 |
Weidmuller |
CONN TERM BLK TEST ADAPTER 1POS |
3050 |
|
 |
Weidmuller |
CONN TERM BLK MT BASE RAIL GN/YL |
40 |
|
 |
Weidmuller |
CONN TERM BLK END PLATE BEIGE |
940 |
|
 |
Weidmuller |
CONN TERM BLK SPACER GRAY |
500 |
|
Terminal Blocks Accessories are modular devices used to secure and manage electrical connections in various systems. They include components like terminal covers, marking strips, bridging pieces, and grounding terminals. These accessories enhance safety, improve connectivity reliability, and facilitate maintenance in electrical installations. With the rise of smart infrastructure and Industry 4.0, terminal blocks accessories have become critical in ensuring efficient power distribution and signal transmission across industries.
| Type | Functional Features | Application Examples |
|---|---|---|
| Terminal Covers | Protect against dust, moisture, and accidental contact | Industrial control panels |
| Marking Strips | Enable circuit identification via labeling | Electrical cabinets in HVAC systems |
| Bridging Pieces | Allow parallel connections between adjacent terminals | Power distribution blocks |
| Grounding Terminals | Provide safe earthing paths for equipment | Machinery grounding systems |
| Fuse Holders | Integrate circuit protection with terminal blocks | Control circuits in renewable energy systems |
Typical terminal blocks accessories consist of: - Insulation Housing: Made from flame-retardant thermoplastics (e.g., PA66) - Conductive Elements: Brass or phosphor bronze contacts with tin/silver plating - Clamping Mechanism: Screw-type, spring-cage, or push-in connectors - Identification Features: Laser-markable surfaces or insertable labels - Mounting Base: DIN rail compatible or panel-mount designs
| Parameter | Typical Range | Importance |
|---|---|---|
| Rated Current | 1-300A | Determines power handling capacity |
| Rated Voltage | 50-1000V | Ensures insulation safety |
| Contact Resistance | <10m | Affects connection efficiency |
| Insulation Resistance | >100M | Prevents leakage current |
| Operating Temperature | -40 C to +120 C | Ensures reliability in harsh environments |
| Short-Circuit Withstand | 10-100kA | Critical for industrial safety |
Major industries include:
Example: In smart grid substations, grounding terminals protect SCADA systems from surges.
| Manufacturer | Key Products | Special Features |
|---|---|---|
| Phoenix Contact | PTFIX series | Modular plug-in system |
| Weidm ller | SAM series | Tool-free connection technology |
| TE Connectivity | Mini Universal series | Compact 5.0mm pitch |
| Wago | 285 series | CAGE CLAMP spring connection |
| OMRON | V-terminal series | Vibration-resistant screw terminals |
Key considerations:
Case Study: For outdoor wind turbine control cabinets, specify IP67-rated terminal covers with UV-resistant materials.
Emerging trends include:
Market growth driven by EV charging infrastructure and renewable energy projects, projected at 6.2% CAGR through 2030.