Terminal Blocks - Adapters

Image Part Number Description / PDF Quantity Rfq
ELD241100

ELD241100

Socapex (Amphenol Pcd)

CONN TERM BLK CARD EDGE 24POS

0

ELE222110

ELE222110

Socapex (Amphenol Pcd)

CONN TERM BLK CARD EDGE 22POS

0

ELH182100

ELH182100

Socapex (Amphenol Pcd)

CONN TERM BLK CARD EDGE 18POS

0

ELB321100

ELB321100

Socapex (Amphenol Pcd)

CONN TERM BLK CARD EDGE 32POS

0

ELE202110

ELE202110

Socapex (Amphenol Pcd)

CONN TERM BLK CARD EDGE 20POS

0

ELB241100

ELB241100

Socapex (Amphenol Pcd)

CONN TERM BLK CARD EDGE 24POS

0

ELC121100

ELC121100

Socapex (Amphenol Pcd)

CONN TERM BLK CARD EDGE 12POS

0

ELI100100

ELI100100

Socapex (Amphenol Pcd)

CONN TERM BLK CARD EDGE 10POS

0

ELI120100

ELI120100

Socapex (Amphenol Pcd)

CONN TERM BLK CARD EDGE 12POS

0

ELD121100

ELD121100

Socapex (Amphenol Pcd)

CONN TERM BLK CARD EDGE 12POS

0

ELI050100

ELI050100

Socapex (Amphenol Pcd)

CONN TERM BLK CARD EDGE 5POS

0

ELB061100

ELB061100

Socapex (Amphenol Pcd)

CONN TERM BLK CARD EDGE 6POS

0

ELH301100

ELH301100

Socapex (Amphenol Pcd)

CONN TERM BLK CARD EDGE 30POS

0

ELB301100

ELB301100

Socapex (Amphenol Pcd)

CONN TERM BLK CARD EDGE 30POS

0

ELB181100

ELB181100

Socapex (Amphenol Pcd)

CONN TERM BLK CARD EDGE 18POS

0

ELH401100

ELH401100

Socapex (Amphenol Pcd)

CONN TERM BLK CARD EDGE 40POS

0

ELC301100

ELC301100

Socapex (Amphenol Pcd)

CONN TERM BLK CARD EDGE 30POS

0

ELH302100

ELH302100

Socapex (Amphenol Pcd)

CONN TERM BLK CARD EDGE 30POS

0

ELB221100

ELB221100

Socapex (Amphenol Pcd)

CONN TERM BLK CARD EDGE 22POS

0

ELI070100

ELI070100

Socapex (Amphenol Pcd)

CONN TERM BLK CARD EDGE 6POS

0

Terminal Blocks - Adapters

1. Overview

Terminal blocks and adapters are modular electronic components designed to establish secure electrical connections between wires, printed circuit boards (PCBs), or systems. These devices ensure reliable signal transmission, power distribution, and system modularity across diverse applications. Their importance in modern technology lies in enabling flexible wiring configurations, simplifying maintenance, and ensuring compatibility between disparate electrical systems.

2. Main Types & Functional Classification

TypeFunctional CharacteristicsApplication Examples
Board-to-Board AdaptersDirect PCB interconnection without wires, high-density pin layoutsServers, industrial control panels
Wire-to-Board AdaptersConnects discrete wires to PCBs, screw/clamp termination optionsAutomation equipment, HVAC systems
Modular Terminal BlocksCustomizable with fuses, circuit breakers, or signal conditioningFactory automation, renewable energy systems
High-Voltage AdaptersExtended creepage distances, reinforced insulationPower distribution units, medical equipment
RF/Coaxial AdaptersImpedance-matched designs for high-frequency signalsTelecom infrastructure, test equipment

3. Structure & Components

Typical terminal blocks and adapters consist of: - Dielectric Housing: Thermoplastic (PA66, PBT) or metal alloys with UL94 V-0 flammability rating - Contact Elements: Phosphor bronze or beryllium copper with plating (gold, tin, silver) - Termination Mechanism: Screw terminals (M2-M6), spring clamps, or IDC (Insulation Displacement Contact) - Locking Features: Mechanical latches, anti-vibration screws, or push-pull coupling

4. Key Technical Parameters

ParameterTypical RangeImportance
Current Rating0.1A - 100ADetermines power handling capacity
Voltage Rating50V - 1500VEnsures dielectric strength
Contact Resistance1-20m Impacts signal integrity
Insulation Resistance100M - 10G Prevents leakage currents
Operating Temperature-60 C - +150 CMaterial stability indicator
IP RatingIP20 - IP68Environmental protection level

5. Application Fields

  • Industrial Automation: PLC I/O modules, motor drives
  • Telecommunications: Base station equipment, fiber distribution hubs
  • Renewable Energy: Solar inverters, wind turbine control systems
  • Transportation: EV charging stations, rail signaling systems
  • Medical Equipment: Diagnostic imaging devices, patient monitoring systems

6. Leading Manufacturers & Products

ManufacturerRepresentative ProductKey Features
Phoenix ContactPTFIX seriesPush-in wire connection, 8kV surge protection
TE ConnectivityMicroSpeed Plus0.8mm pitch, 10Gbps data rate
Wago285 SeriesCAGE CLAMP technology, vibration-resistant
MolexMX150Hybrid power/signal transmission
Weidm llerOMNIMATE PCBUL/CSA/IEC certifications, 24AWG-10AWG range

7. Selection Guidelines

Consider the following factors during selection: - Electrical requirements (current/voltage levels) - Environmental conditions (temperature, humidity, vibration) - Space constraints and mounting orientation - Compatibility with existing wiring/cabling infrastructure - Maintenance requirements and tooling needs - Cost-performance balance for production volumes

8. Industry Trends Analysis

Key developments shaping the market: - Miniaturization for compact IoT devices (sub-1.0mm pitch connectors) - Increased demand for high-speed data interfaces (USB4, PCIe 5.0) - Integration with smart diagnostics (built-in current/voltage sensors) - Adoption of eco-friendly materials (halogen-free polymers) - Growth in modular design approaches for rapid system reconfiguration - Enhanced EMI/RFI shielding for 5G and automotive applications

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