Heavy Duty Connectors

Heavy Duty Connectors - Assemblies

Image	Part Number	Description / PDF	Quantity	Rfq
	1802420000 Weidmuller	CONN ASSY SIDE ENTRY 10+GND SZ4	0
	1802730000 Weidmuller	CONN ASSY SIDE ENTRY 6+GND SZ3	0
	1802700000 Weidmuller	CONN ASSY TOP ENTRY 4+GND SZ1	0
	1802430000 Weidmuller	CONN ASSY TOP ENTRY 4+GND SZ1	0
	1802400000 Weidmuller	CONN ASSY SIDE ENTRY 16+GND SZ6	0
	1802360000 Weidmuller	CONN ASSY TOP ENTRY 48+GND SZ12	0
	1802740000 Weidmuller	CONN ASSY TOP ENTRY 6+GND SZ3	0
	1802460000 Weidmuller	CONN ASSY TOP ENTRY 3+GND SZ1	0
	1802470000 Weidmuller	CONN ASSY TOP ENTRY 3+GND SZ1	0
	1802450000 Weidmuller	CONN ASSY TOP ENTRY 3+GND SZ1	0
	1802370000 Weidmuller	CONN ASSY SIDE ENTRY 32+GND SZ10	0
	1802410000 Weidmuller	CONN ASSY TOP ENTRY 10+GND SZ4	0
	1802390000 Weidmuller	CONN ASSY TOP ENTRY 16+GND SZ6	0
	1802380000 Weidmuller	CONN ASSY SIDE ENTRY 24+GND SZ8	0
	1802440000 Weidmuller	CONN ASSY TOP ENTRY 4+GND SZ1	0
	1802480000 Weidmuller	CONN ASSY TOP ENTRY 24+GND SZ8	0
	1802720000 Weidmuller	CONN ASSY TOP ENTRY 4+GND SZ1	0
	1567410000 Weidmuller	CONN ASSY TOP ENTRY 25POS PG11	0

Heavy Duty Connectors - Assemblies

1. Overview

Heavy Duty Connectors - Assemblies are robust electromechanical components designed to establish reliable connections in demanding environments. They enable power transmission and signal routing in industrial, transportation, energy, and infrastructure applications. These connectors are engineered to withstand extreme temperatures, vibration, moisture, and mechanical stress, ensuring operational continuity in critical systems.

2. Main Types and Functional Classification

Type	Functional Characteristics	Application Examples
Industrial Circular Connectors	High mating cycles, IP65+ sealing, threaded coupling	Factory automation systems, robotics
Heavy-Duty Power Connectors	High current capacity (up to 1000A), arc-resistant materials	Electric vehicle charging stations, industrial machinery
Hermetic Connectors	Gas-tight seals, vacuum compatibility	Aerospace systems, semiconductor manufacturing
Modular Hybrid Connectors	Combined power/signal/optical transmission	Railway traction systems, renewable energy

3. Structure and Components

Typical assemblies comprise:

Die-cast metal/polymer housing with anti-corrosion coating
Multi-pin contact modules with gold-plated copper alloys
Integral sealing gaskets (EPDM or silicone rubber)
Retention mechanisms (bayonet, threaded, or push-pull locks)
EMI/RFI shielding layers for signal integrity

4. Key Technical Specifications

Parameter	Importance
Current Rating (10-1000A)	Determines power transmission capacity
Voltage Range (50-1500V)	Defines electrical insulation requirements
Contact Resistance (<5m )	Impacts thermal stability and energy efficiency
Operating Temperature (-55 C to +150 C)	Ensures material stability in extreme conditions
Mechanical Life (500-10,000 cycles)	Dictates maintenance intervals and longevity

5. Application Areas

Primary industries include:

Energy: Wind turbines, solar inverters, grid storage systems
Transportation: Electric buses, locomotives, mining equipment
Manufacturing: CNC machines, welding robots, conveyor systems
Infrastructure: Smart grid components, tunnel ventilation systems

6. Leading Manufacturers and Products

Manufacturer	Representative Product	Key Features
TE Connectivity	DEUTSCH HD Series	IP69K rating, 400A capacity, aerospace qualified
Amphenol Industrial	Centaur Plus	Hybrid power/signal, 600V/200A, quick-mate design
Phoenix Contact	Heavycon System	Modular configuration, vibration-resistant, tool-less assembly

7. Selection Guidelines

Key considerations:

Environmental factors (temperature, chemicals, ingress protection)
Electrical parameters (current, voltage, signal type)
Mechanical requirements (vibration, mating force, durability)
Compliance with standards (IEC 61435, UL 486A/B)
Maintenance accessibility and total cost of ownership

8. Industry Trends

Current developments focus on:

Smart connectors with integrated sensors for condition monitoring
Lightweight composite materials reducing weight by 30%
Eco-friendly plating processes (RoHS/WEEE compliance)
Higher power density designs (30% smaller footprint)
Expansion of 1500V DC connector systems for renewable energy