Heavy Duty Connectors

Heavy Duty Connectors - Contacts

Part Number	Description / PDF	Quantity
09110006256 HARTING	CONTACT H.D. AXIAL SCREW SOCKET	0
09110006112 HARTING	CONTACT H.D. AXL SCRW PIN 4-6AWG	20
20100013222 HARTING	CONTACT H.D. CRIMP SOCKET	0
09330006195 HARTING	CONTACT H.D. WIRE WRAP PIN	600
09330006172 HARTING	CONTACT H.D. CRIMP PIN 20AWG	5
11050006108 HARTING	CONTACT H.D. CRIMP PIN 12AWG	194
09110006250 HARTING	HAN TC200 FEMALE CONTACT 16MM	0
09140007356 HARTING	PNEUM. CONTACT METAL OD 6MM MALE	20
09330006110 HARTING	CONTACT H.D. CRIMP PIN 16AWG	0
09140006253 HARTING	CONTACT H.D. SOCKET MODULE	8
09330006227 HARTING	CONTACT H.D. CRIMP SKT 22-26AWG	300
11050006101 HARTING	CONTACT H.D. CRIMP PIN 22-26AWG	80
09110006122 HARTING	CONTACT H.D. CRIMP PIN 1/0AWG	21
09330006280 HARTING	CONTACT H.D. CRIMP SOCKET	100
20100013221 HARTING	CONTACT H.D. CRIMP SOCKET	10
09140007456 HARTING	PNEUM. CONTACT METAL OD6MM FEMAL	20
20100013211 HARTING	CONTACT H.D. CRIMP PIN	4
09330006305 HARTING	CONTACT H.D. CRIMP PIN 18AWG	275
09150006106 HARTING	CONTACT H.D. CRIMP PIN 14AWG	0
09110006243 HARTING	CONTACT H.D. CRIMP SOCKET 3/0AWG	0

Heavy Duty Connectors - Contacts

1. Overview

Heavy duty connectors - contacts are specialized electrical components designed to establish reliable conductive pathways in high-current, high-voltage, or harsh-environment applications. These contacts serve as critical interface points in power transmission systems, industrial machinery, and transportation infrastructure. Their importance continues to grow with advancements in electrification, renewable energy systems, and automated manufacturing processes.

2. Main Types and Functional Classification

Type	Functional Characteristics	Application Examples
Bolted Contacts	High mechanical stability, screw-terminal connections	Power distribution panels, heavy machinery
Blade Contacts	Quick-insert design with positive lock mechanism	Automotive systems, battery packs
Circular Contacts	360 rotational connectivity	Rotary unions, wind turbines
Printed Circuit Contacts	Surface-mount compatible with PCB integration	Industrial control systems, automation equipment

3. Structure and Components

Typical construction includes:

Contact body: Copper alloys (C18150, C11000) or aluminum alloys
Contact surface: Silver-plated or tin-coated for enhanced conductivity
Insulation housing: Thermoplastic (PBT) or thermoset materials
Locking mechanism: Bayonet, threaded, or spring-loaded systems
Environmental seals: IP65-rated gaskets and O-rings

Modular designs often incorporate replaceable contact inserts and integrated cooling channels.

4. Key Technical Specifications

Parameter	Typical Range	Importance
Current Rating	100A - 5000A	Determines power transmission capacity
Voltage Rating	600V - 15kV	Ensures dielectric safety
Contact Resistance	<0.1m - 0.5m	Impacts thermal performance
Temperature Range	-55 C to +150 C	Defines operational envelope
Insertion Force	50N - 200N	Affects mating durability

5. Application Fields

Energy: Power generation equipment, grid infrastructure
Transportation: Electric vehicles, rail systems, marine propulsion
Industrial: CNC machinery, welding robots, factory automation
Renewables: Wind turbine converters, solar inverters
Military/Aerospace: Avionics systems, defense equipment

6. Leading Manufacturers and Products

Manufacturer	Representative Product	Key Features
TE Connectivity	XD Connector System	1500A rating, quick-make design
Amphenol Industrial	MAXRAD High Power	IP67 protection, 3-phase configuration
Delphi Automotive	EVP High Voltage Connector	800V capability, fault current protection

7. Selection Recommendations

Key considerations:

Current/voltage requirements with 20% safety margin
Environmental protection (IP rating, corrosion resistance)
Mating cycle requirements (1000-10,000+ cycles)
Compliance with standards (IEC 60999, UL 486A-B)
Thermal derating for ambient temperatures >40 C

Case study: For wind turbine generator connections, specify silver-plated contacts with IP65 sealing and vibration damping features.

8. Industry Trends

Current developments include:

Miniaturization while maintaining high current density
Integration with smart monitoring (IoT-enabled contacts)
Advanced coating technologies (graphene-enhanced surfaces)
Increased focus on recyclable materials
Hybrid designs combining power and signal transmission