| Image | Part Number | Description / PDF | Quantity | Rfq |
|---|---|---|---|---|
 |
Tuchel / Amphenol |
GLAND BUSHING EZ 10PCS |
0 |
|
 |
HARTING |
REDUCER M20/M16 |
79 |
|
 |
Phoenix Contact |
CONN ADAPT NPT3/4 TO PG21 |
21113 |
|
 |
HARTING |
GROUND TERMINAL SIZE 16B |
2 |
|
 |
HARTING |
HAN ACCESS. PG 16-1/2" ADAPTER |
7 |
|
 |
Woodhead - Molex |
METAL CABLE GLAND PG29 |
0 |
|
 |
HARTING |
PC BOARD ADAPTER 2 4MM BOARD |
665 |
|
 |
HARTING |
HAN-3A-AK (KUNPCPCOFF) |
79 |
|
 |
HARTING |
DATA MODULE (USB;RJ45;SUB-D9,F-M |
2 |
|
 |
Phoenix Contact |
HEAVYCON PROTECTIVE COVER |
43 |
|
 |
Phoenix Contact |
HC-B-G-M25-ER-AL |
6 |
|
 |
HARTING |
GROUND TERM SIZE 24B MOD HI VER |
1 |
|
 |
Phoenix Contact |
HEAVYCON PROTECTIVE COVER |
1 |
|
 |
Weidmuller |
SINGLE FRAME, KNOB LOCK, RJ45, 3 |
4 |
|
 |
HARTING |
CABLE CLAMP METAL PG 11 |
13 |
|
 |
HARTING |
REDUCER M32/M25 |
31 |
|
 |
HARTING |
ACCY STRAIN RELIEF STRAIGHT |
0 |
|
 |
Weidmuller |
CONN CODING PIN |
968015 |
|
 |
HARTING |
HAN INSERT SCREW PIN |
35 |
|
 |
HARTING |
HAN 6 B PLASTIC PROTECT COVER |
2 |
|
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.
| Type | Functional Features | Application Examples |
|---|---|---|
| Industrial Circular Connectors | Robust metal/plastic housing, IP65-IP69K protection, threaded coupling | Factory automation equipment, robotics |
| Power Distribution Connectors | High-current capacity (up to 1000A), multi-pole design | Wind turbines, data center UPS systems |
| Railway Connectors | Vibration-resistant, EMI shielding, fire-retardant materials | High-speed trains, subway systems |
| Hydraulic/Pneumatic Connectors | Combined electrical-fluidic interfaces, leak-proof sealing | Mining equipment, construction machinery |
| Accessories | Cable glands, panel mount adapters, contact inserts | Custom system integration |
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
| Parameter | Importance |
|---|---|
| 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 |
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
| Manufacturer | Representative Product | Key Features |
|---|---|---|
| TE Connectivity | DEUTSCH HC Series | 600A capacity, aerospace-grade reliability |
| Amphenol Industrial | Duramax MaxGuard | IP69K rated, corrosion-resistant marine grade |
| Phoenix Contact | Heavycon System | Modular design with hybrid power/signal integration |
| Delphi Connection Systems | WeatherGuard HV | 1500V DC rating for photovoltaic applications |
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.
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