Heavy Duty Connectors - Housings, Hoods, Bases

Image Part Number Description / PDF Quantity Rfq
1581052

1581052

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CONN BASE SIDE ENTRY SZB6 M25

0

1673481

1673481

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CONN BASE SIDE ENTRY SZB10 PG16

0

1604775

1604775

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CONN HOOD TOP ENTRY SZB10 M32

0

1771590

1771590

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CONN BASE BOTTOM ENTRY SZB16

0

1646861

1646861

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CONN BASE SIDE ENTRY SZB6 M32

0

1771833

1771833

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CONN HOOD SIDE ENTRY SZB24 PG29

0

1678091

1678091

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CONN HOOD CPLNG BOTTOM SZB6 PG21

0

1677979

1677979

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CONN BASE SIDE ENTRY SZB24 PG29

0

1771561

1771561

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CONN HOOD SIDE ENTRY SZB16 PG21

0

1771189

1771189

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CONN BASE SIDE ENTRY SZB6 PG16

0

1460368

1460368

Phoenix Contact

CONN HOOD SIDE ENTRY SZB10 M32

0

1775606

1775606

Phoenix Contact

CONN HOOD TOP ENTRY SZB16 PG29

0

1604785

1604785

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CONN BASE SIDE ENTRY SZB16 M25

8

1678208

1678208

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CONN HOOD SIDE ENTRY SZB6 PG21

0

1677649

1677649

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CONN BASE SIDE ENTRY SZB10 PG29

0

1773297

1773297

Phoenix Contact

CONN HOOD CPLNG BOTTOM SZD7 PG11

0

1690150

1690150

Phoenix Contact

CONN HOOD SIDE ENTRY SZB10 M32

0

1604781

1604781

Phoenix Contact

CONN HOOD SIDE ENTRY SZB10 M25

0

1674082

1674082

Phoenix Contact

CONN HOOD CPLNG BOTTOM SZB24

0

1673520

1673520

Phoenix Contact

CONN HOOD SIDE ENTRY SZB10 PG16

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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