Heavy Duty Connectors

Heavy Duty Connectors - Contacts

Part Number	Description / PDF	Quantity
0936010187 Woodhead - Molex	CONTACT H.D. CRIMP PIN 16AWG	170
13163000 LAPP	CONN CNT SLV SKT 1.6MM 26-22AWG	500
4-1105300-1 TE Connectivity AMP Connectors	CONTACT H.D. CRIMP PIN 13.5AWG	256
09322006115 HARTING	HAN C MALE CONTACT AWG 14 (2.5MM	24
11050006205 HARTING	CONTACT H.D. CRIMP SOCKET 16AWG	650
2-1105050-2 TE Connectivity AMP Connectors	CONTACT H.D. CRIMP PIN 20AWG	0
T2400001160-000 TE Connectivity AMP Connectors	CSM-16	30
T2030002040-000 TE Connectivity AMP Connectors	CEF-4.0	145
09310006202 HARTING	HAN HSB FEMALE CONTACT AWG 10 (6	100
09330006139 HARTING	CONTACT H.D. CRIMP PIN 10AWG	0
VN0103600211C Tuchel / Amphenol	CONTACT H.D. CRIMP PIN 6AWG	89
09150006101 HARTING	CONTACT H.D. CRIMP PIN 16AWG	5049
2637390000 Weidmuller	HDC MODUPLUG, 6MM FEMALE, PNEUMA	3670
2637400000 Weidmuller	HDC MODUPLUG, 6MM FEMALE, PNEUMA	1680
1663268 Phoenix Contact	CONTACT H.D. CRIMP PIN 10AWG	0
09150006291 HARTING	CONTACT H.D. CRIMP SOCKET	61
3-1105101-1 TE Connectivity AMP Connectors	CONTACT H.D. CRIMP SKT 15.5AWG	4644
0936010476 Woodhead - Molex	D-SUB CRIMP FEM CONTACT 28-24 AW	499
0936010167 Woodhead - Molex	16A CRIMP FEM CONTACT 3MM SILVE	0
09330006106 HARTING	CONTACT H.D. CRIMP PIN 12AWG	41

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