Heavy Duty Connectors - Accessories

Image Part Number Description / PDF Quantity Rfq
0936010935

0936010935

Woodhead - Molex

6B STD COVER W/GKT 4PGS

0

0936010931

0936010931

Woodhead - Molex

6B HE COVER W/GKT 1LEV

0

0936000479

0936000479

Woodhead - Molex

NYL LOCKNUT PG13.5 BK RAL9005

0

0936070029

0936070029

Woodhead - Molex

SCREW M6 X 40 S.S

0

0936010426

0936010426

Woodhead - Molex

S-Q2/0 POLARIZATION KEY

0

0936000341

0936000341

Woodhead - Molex

POLYAMIDE CABLE GLAND

0

0936000372

0936000372

Woodhead - Molex

PLAST.CABLE GLAND W/NUT END GAS.

0

0936000430

0936000430

Woodhead - Molex

PLAST.CABLE GLAND WITH NUT END G

25

0936070027

0936070027

Woodhead - Molex

SCREW M6 X 35 S.S

0

0936000117

0936000117

Woodhead - Molex

METAL BLANKING PLUGS PG13.5 WITH

0

0936000465

0936000465

Woodhead - Molex

NYL LOCKNUT M50X1.5 GY RAL7035

0

0936014474

0936014474

Woodhead - Molex

32B HE COVER W/GKT 1LEV

0

0936000009

0936000009

Woodhead - Molex

MET. THREADED EXT. TUBE PG29-PG2

0

0936000228

0936000228

Woodhead - Molex

CABLE GLAND FOR RIBBON CABLES

0

0936000443

0936000443

Woodhead - Molex

PLAST.CABLE GLAND WITH NUT END G

0

0936000451

0936000451

Woodhead - Molex

NYL LOCKNUT M20X1.5 GY RAL7001

0

0936000428

0936000428

Woodhead - Molex

POLYAMIDE CABLE GLAND

0

0936000159

0936000159

Woodhead - Molex

NYL BLANKING PLUG W/GKT M16X1.5

0

0936000154

0936000154

Woodhead - Molex

NYL BLANKING PLUG W/GKT M12X1.5

0

0936000399

0936000399

Woodhead - Molex

POLYAMIDE CABLE GLAND

278

Heavy Duty Connectors - Accessories

1. Overview

Heavy Duty Connectors (HDC) and accessories are industrial-grade electrical components designed to establish secure and reliable connections in harsh environments. They support high current, voltage, and mechanical stress tolerance, enabling safe power/data transmission in critical systems. These connectors are essential in modern infrastructure, including renewable energy systems, smart grids, and industrial automation, where failure prevention and operational continuity are paramount.

2. Main Types and Functional Classification

TypeFunctional FeaturesApplication Examples
Industrial Circular ConnectorsRobust metal/plastic housing, IP65-IP69K protection, threaded couplingFactory automation equipment, robotics
Power Distribution ConnectorsHigh-current capacity (up to 1000A), multi-pole designWind turbines, data center UPS systems
Railway ConnectorsVibration-resistant, EMI shielding, fire-retardant materialsHigh-speed trains, subway systems
Hydraulic/Pneumatic ConnectorsCombined electrical-fluidic interfaces, leak-proof sealingMining equipment, construction machinery
AccessoriesCable glands, panel mount adapters, contact insertsCustom system integration

3. Structure and Components

A typical HDC assembly comprises:
- Housing: Thermoplastic (PA66) or die-cast metal (aluminum alloy) with anti-UV treatment
- Contact System: Silver-plated copper alloy contacts with self-cleaning design
- Insulation: High-temperature resistant PA or PPS materials (180 C rating)
- Retention Mechanism: Threaded, bayonet, or push-pull locking systems
- Sealing: EPDM rubber gaskets for IP67 protection

4. Key Technical Specifications

ParameterImportance
Rated Current (16-2000A)Determines power transmission capacity
Dielectric Withstanding Voltage (1000-8000V)Ensures electrical safety under overvoltage
Contact Resistance ( 0.5m )Minimizes energy loss and thermal rise
Mechanical Durability (5000-20000 mating cycles)Long-term reliability indicator
Operating Temperature (-40 C to +150 C)Environmental adaptability
Vibration Resistance (10G-50G)Critical for mobile/transport applications

5. Application Fields

Key industries include:
- Energy: Solar inverters, offshore wind turbines
- Transportation: Electric vehicle charging stations, locomotive systems
- Manufacturing: CNC machines, automated guided vehicles (AGVs)
- Infrastructure: Smart grid switchgear, emergency power systems
- Special Cases: Explosion-proof connectors for petrochemical plants

6. Leading Manufacturers and Products

ManufacturerRepresentative ProductKey Features
TE ConnectivityDEUTSCH HC Series600A capacity, aerospace-grade reliability
Amphenol IndustrialDuramax MaxGuardIP69K rated, corrosion-resistant marine grade
Phoenix ContactHeavycon SystemModular design with hybrid power/signal integration
Delphi Connection SystemsWeatherGuard HV1500V DC rating for photovoltaic applications

7. Selection Recommendations

Key considerations:
1. Calculate maximum current/voltage with 20% safety margin
2. Match IP rating to environmental conditions (e.g., IP67 for outdoor use)
3. Consider mating cycle requirements for maintenance frequency
4. Verify material compatibility for chemical exposure
5. Check standard certifications (IEC 61984, UL 1977)
Case Example: For offshore wind turbine generator connection: Select IP68-rated connector with 1500V insulation and salt spray resistance >1000h.

8. Industry Trends

Emerging trends include:
- Miniaturization with increased power density (e.g., 30% size reduction by 2025)
- Integrated smart sensors for predictive maintenance
- Adoption of composite materials for weight reduction (-40% vs. metal)
- Development of hydrogen-compatible connectors for fuel cell systems
- Growth in hybrid connectors combining power, data, and fluid transmission

RFQ BOM Call Skype Email
Top