Terminal Blocks - Contacts

Image Part Number Description / PDF Quantity Rfq
1879544

1879544

Phoenix Contact

CONTACT SOCKET CRIMP TIN

16000

1013780

1013780

Phoenix Contact

CONTACT SOCKET CRIMP 18-22AWG

600

1013989

1013989

Phoenix Contact

CONTACT PIN CRIMP 18-22AWG

520

1859988

1859988

Phoenix Contact

CONTACT SOCKET CRIMP

384

1013990

1013990

Phoenix Contact

CONTACT PIN CRIMP 20-26AWG

870

1879531

1879531

Phoenix Contact

CONTACT SOCKET CRIMP TIN

1223

1859991

1859991

Phoenix Contact

CONTACT SOCKET CRIMP

70

3190551

3190551

Phoenix Contact

CONTACT SOCKET CRIMP TIN

220914800

1898622

1898622

Phoenix Contact

CONTACT SOCKET CRIMP

0

3190603

3190603

Phoenix Contact

CONTACT PIN CRIMP 0.5-1.0MM

0

1013419

1013419

Phoenix Contact

CONTACT SOCKET 18-22AWG CRIMP

3422400

1013418

1013418

Phoenix Contact

CONTACT SOCKET 18-22AWG CRIMP

9210

1567070000

1567070000

Weidmuller

CONTACT SOCKET CRIMP TIN 1=250PC

14

3190580

3190580

Phoenix Contact

CONTACT PIN CRIMP FOR ICC CONN

1702

AO0000000000G

AO0000000000G

Anytek (Amphenol Anytek)

FEMALE CRIMP CONTACTS

0

1480100000

1480100000

Weidmuller

CONTACT SOCKET CRIMP TIN 2500PK

5

1705310000

1705310000

Weidmuller

CONTACT SOCKET CRIMP

0

1-350006-2

1-350006-2

TE Connectivity AMP Connectors

CONTACT NON-GEND QC OR SLDR TIN

0

1705320000

1705320000

Weidmuller

CONTACT SOCKET CRIMP

0

350006-2

350006-2

TE Connectivity AMP Connectors

CONT NON-GEND QC/SLDR TIN-LEAD

0

Terminal Blocks - Contacts

1. Overview

Terminal Blocks - Contacts are modular devices used to securely connect two or more wires in electrical systems. They provide reliable electrical conductivity while ensuring mechanical stability and insulation. As critical components in modern electrical engineering, they enable efficient signal transmission, power distribution, and system modularity across industries ranging from industrial automation to renewable energy systems.

2. Main Types and Functional Classification

Type Functional Characteristics Application Examples
Screw Terminal Blocks Mechanical clamping via screws, Industrial control panels, HVAC systems
Spring Clamp Terminal Blocks Tool-free wire insertion with spring-loaded clamps Rapid rail vehicle wiring, laboratory equipment
PCB Terminal Blocks Direct printed circuit board mounting with insulation displacement Telecom equipment, medical devices
Barrier Terminal Strips Open-frame design with screw-based clamping High-voltage power supplies, test equipment

3. Structure and Components

Typical terminal blocks consist of: - Insulating housing (PA66/Glass fiber reinforced thermoplastic) - Conductive elements (Copper alloys/Copper-clad steel) - Locking mechanisms (Screws/Spring cages) - Wire entry systems (Axial/radial orientations) - Identification markings (Alphanumeric/Color coding) Advanced designs incorporate vibration-resistant features and multi-level connection architectures.

4. Key Technical Specifications

Parameter Importance
Rated Current (10-300A) Determines power transmission capacity
Contact Resistance ( 10m ) Impacts energy efficiency and thermal performance
Dielectric Strength (1500-6000V) Ensures electrical safety isolation
Wire Size Range (0.08-300mm ) Dictates application flexibility
Temperature Range (-60 C to +150 C) Defines operational environmental tolerance

5. Application Fields

Primary industries include: - Industrial automation (PLCs, CNC machines) - Energy systems (Solar inverters, switchgear) - Transportation (Railway signaling, EV charging stations) - Building infrastructure (HVAC, security systems) - Test & measurement equipment

6. Leading Manufacturers and Products

Manufacturer Representative Product
Phoenix Contact PTFIX series (Modular rail-mounted terminals)
Weidm ller SAM series (Spring cage technology)
TE Connectivity Deutsch series (Harsh environment solutions)
WAGO 280 series (Lever-action clamps)

7. Selection Guidelines

Key considerations: - Electrical requirements (Current/voltage ratings) - Environmental conditions (Temperature, vibration) - Installation constraints (Space limitations, tool access) - Maintenance needs (Service life, reusability) - Compliance standards (UL, IEC, RoHS) For example, in railway applications select spring terminals with anti-vibration features; for high-temperature environments choose models with ceramic insulation.

8. Industry Trends

Current development directions: - Miniaturization with higher contact density - Smart terminal blocks with integrated diagnostics - Enhanced flame-retardant materials (UL94 V-0 rated) - Modular systems with tool-less expandability - Increased adoption of surface-mount technology (SMT) Market growth driven by Industry 4.0 automation and EV infrastructure expansion.

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