Heavy Duty Connectors - Housings, Hoods, Bases

Image Part Number Description / PDF Quantity Rfq
1773705

1773705

Phoenix Contact

CONN HOOD SIDE ENTRY SZHV6 PG21

0

1678020

1678020

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CONN BASE SIDE ENTRY SZB24 PG21

0

1690118

1690118

Phoenix Contact

CONN HOOD TOP ENTRY SZB10 M32

0

1690354

1690354

Phoenix Contact

CONN HOOD TOP ENTRY SZB24 M32

0

1771781

1771781

Phoenix Contact

CONN HOOD TOP ENTRY SZB24 PG21

0

1771684

1771684

Phoenix Contact

CONN BASE SIDE ENTRY SZB16 PG21

0

1460170

1460170

Phoenix Contact

CONN HOOD TOP ENTRY SZB16 PG21

5

1645370

1645370

Phoenix Contact

CONN HOOD SIDE ENTRY SZB24 M32

0

1460349

1460349

Phoenix Contact

CONN HOOD SIDE ENTRY SZB6 PG16

4

1604800

1604800

Phoenix Contact

CONN HOOD TOP ENTRY SZB16 M32

0

1771176

1771176

Phoenix Contact

CONN BASE SIDE ENTRY SZB6 PG16

0

1678127

1678127

Phoenix Contact

CONN BASE SIDE ENTRY SZB6 PG29

0

1771312

1771312

Phoenix Contact

CONN HOOD TOP ENTRY SZB10 PG16

0

1687626

1687626

Phoenix Contact

CONN HOOD CPLNG BOTTOM SZB16 M32

0

1674642

1674642

Phoenix Contact

CONN HOOD CPLNG BOTTOM SZD25

0

1677746

1677746

Phoenix Contact

CONN HOOD SIDE ENTRY SZB10 PG21

0

1772463

1772463

Phoenix Contact

CONN BASE BOTTOM ENTRY SZD25

0

1604815

1604815

Phoenix Contact

CONN HOOD TOP ENTRY SZB16 M25

0

1674176

1674176

Phoenix Contact

CONN BASE SIDE ENTRY SZB24 PG21

0

1677652

1677652

Phoenix Contact

CONN BASE SIDE ENTRY SZB10 PG21

0

Heavy Duty Connectors - Housings, Hoods, Bases

1. Overview

Heavy duty connectors' housings, hoods, and bases are critical mechanical components designed to protect electrical connections in harsh environments. These elements provide structural support, environmental sealing, and safety shielding for connectors used in industrial, transportation, and energy systems. Their importance has grown with advancements in automation, renewable energy systems, and electric vehicle infrastructure.

2. Main Types and Functional Classification

TypeFunctional FeaturesApplication Examples
Metallic HousingsHigh mechanical strength, EMI shielding, corrosion resistanceIndustrial control cabinets
Polymer HousingsLightweight, chemical resistance, UV stabilitySolar power inverters
Modular BasesInterchangeable mounting patterns, tool-less assemblyFactory automation systems
Explosion-proof HoodsPressure containment, flame path controlPetrochemical plant equipment

3. Structure and Composition

Typical construction includes: - Outer shell (die-cast aluminum, stainless steel, or reinforced thermoplastics) - Sealing interfaces (EPDM rubber gaskets, silicone O-rings) - Mounting features (din-rail clips, threaded inserts) - Cable entry systems (PG/NPT threaded ports) - Safety interlocks (mechanical keying systems)

4. Key Technical Specifications

ParameterImportance
IP68/IP69K ratingProtection against dust and high-pressure water ingress
Vibration resistance (MIL-STD-202)Reliability in transportation applications
Operating temperature (-40 C to +125 C)Performance in extreme climates
Material flammability (UL94 V-0)Safety compliance in electrical systems
EMI shielding effectiveness (40-100dB)Signal integrity preservation

5. Application Areas

  • Energy: Wind turbine converters, substation equipment
  • Transportation: Locomotive control systems, EV charging stations
  • Manufacturing: Robotic welding cells, CNC machinery
  • Infrastructure: Smart grid devices, outdoor telecom enclosures

6. Leading Manufacturers and Products

ManufacturerRepresentative Product
TE ConnectivityDEUTSCH DT series metal housings
Amphenol IndustrialSSX explosion-proof connector bodies
MolexMICRO-CLIK modular base systems
Weidm llerOMNIMATE PCB mounting bases

7. Selection Recommendations

Key considerations: - Environmental factors (temperature, chemical exposure) - Mechanical load requirements (cable strain relief capacity) - Regulatory compliance (ATEX, IECEx for hazardous locations) - Service accessibility (quick-disconnect features) - Cost lifecycle analysis (maintenance frequency impact)

8. Industry Trends

Emerging developments include: - Integration of smart sensors in connector housings - Development of bio-based polymer materials - Standardization of hybrid power/data connector modules - Adoption of additive manufacturing for complex geometries - Increased demand for hydrogen fuel cell infrastructure compatibility

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