Heavy Duty Connectors - Accessories

Image Part Number Description / PDF Quantity Rfq
5604801

5604801

Phoenix Contact

HC-P-DB9(M/TB)

5

1636127

1636127

Phoenix Contact

KEYING PEG FOR UP TO 16 PLUG

14

1674516

1674516

Phoenix Contact

COVER CAPS FOR PG SCREW CONN

509

1414654

1414654

Phoenix Contact

HC-B-GTRS-M32-PLRBK

0

1676857

1676857

Phoenix Contact

KEYING SOCKET FOR CODING 16 PLUG

133

1644151

1644151

Phoenix Contact

CABLE FEED-THROUGH SLEEVES

17

1604654

1604654

Phoenix Contact

HEAVYCON PANEL MOUNT FLANGE

0

1415767

1415767

Phoenix Contact

HEAVYPORT BASE W/USB A FEMALE

11

1414658

1414658

Phoenix Contact

HC-B-GTRS-M32-ER-AL

0

1412804

1412804

Phoenix Contact

HC-STA-B10-SL-PLBK

0

1414652

1414652

Phoenix Contact

HC-B-GTRS-M25-PLRBK

0

1414651

1414651

Phoenix Contact

HC-B-GTRS-M20-PLRBK

0

1854857

1854857

Phoenix Contact

PG16 CABLE CLAMP

201

1660193

1660193

Phoenix Contact

HEAVYCON HOUSING/ACCESSORY

0

1853890

1853890

Phoenix Contact

PG21 CABLE CLAMP

0

1685330

1685330

Phoenix Contact

STRAIN RELIEF CLAMP

0

1414353

1414353

Phoenix Contact

MOD DUMMY MALE CRIMP

174881

1690752

1690752

Phoenix Contact

ADVANCE IP50 PROTECTCOVER B1

0

1853900

1853900

Phoenix Contact

CONN CABLE SCREW 9-13MM PG21

0

5540701

5540701

Phoenix Contact

CONN ADAPT NPT1/2 TO PG16

14178

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

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