Heavy Duty Connectors - Housings, Hoods, Bases

Image Part Number Description / PDF Quantity Rfq
1690435

1690435

Phoenix Contact

CONN HOOD TOP ENTRY SZB24 M40

0

1690082

1690082

Phoenix Contact

CONN HOOD SIDE ENTRY SZB10 M25

0

1674639

1674639

Phoenix Contact

CONN HOOD CPLNG BOTTOM SZD15

0

1604854

1604854

Phoenix Contact

CONN HOOD SIDE ENTRY SZB24 M32

0

1673818

1673818

Phoenix Contact

CONN HOOD SIDE ENTRY SZB16 PG21

0

1690192

1690192

Phoenix Contact

CONN HOOD TOP ENTRY SZB16 M32

0

1771901

1771901

Phoenix Contact

CONN HOOD TOP ENTRY SZB24 PG21

0

1673821

1673821

Phoenix Contact

CONN HOOD TOP ENTRY SZB16 PG21

0

1677869

1677869

Phoenix Contact

CONN BASE SIDE ENTRY SZB16 PG21

0

1645082

1645082

Phoenix Contact

CONN HOOD TOP ENTRY SZB24 M25

0

1677995

1677995

Phoenix Contact

CONN BASE SIDE ENTRY SZB24 PG29

0

1675285

1675285

Phoenix Contact

CONN HOOD TOP ENTRY SZB6 PG13.5

0

1775554

1775554

Phoenix Contact

CONN HOOD SIDE ENTRY SZB16 PG29

0

1690309

1690309

Phoenix Contact

CONN HOOD SIDE ENTRY SZB16 M40

0

1678428

1678428

Phoenix Contact

CONN BASE SIDE ENTRY SZB16 PG29

0

1679634

1679634

Phoenix Contact

CONN HOOD SIDE ENTRY SZB6 PG21

0

1678156

1678156

Phoenix Contact

CONN BASE SIDE ENTRY SZB6 PG21

0

1674886

1674886

Phoenix Contact

CONN BASE SIDE ENTRY SZD7 M20

0

1673575

1673575

Phoenix Contact

CONN HOOD SIDE ENTRY SZB10 PG16

0

1677720

1677720

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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