Heavy Duty Connectors - Housings, Hoods, Bases

Image Part Number Description / PDF Quantity Rfq
1412559

1412559

Phoenix Contact

CONN HOOD CPLNG BOTTOM SZB6 PG21

0

1412099

1412099

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CONN HOOD TOP ENTRY SZB24 M40

40

1412625

1412625

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CONN HOOD SIDE ENTRY SZB10 M25

0

1412738

1412738

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CONN HOOD TOP ENTRY SZB16 M25

0

1419255

1419255

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CONN HOOD TOP ENTRY SZD7 M20

79

1771134

1771134

Phoenix Contact

CONN BASE BOTTOM ENTRY SZB6

0

1852956

1852956

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CONN HOOD THRU TYPE PG21

1

1460233

1460233

Phoenix Contact

CONN HOOD SIDE ENTRY SZB24 PG29

1

1419237

1419237

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CONN HOOD SIDE ENTRY SZD7 PG11

0

1645477

1645477

Phoenix Contact

CONN BASE BOTTOM ENTRY SZB10

32

1412844

1412844

Phoenix Contact

CONN BASE SIDE ENTRY SZB10 M20

0

1412098

1412098

Phoenix Contact

CONN HOOD TOP ENTRY SZB24 M40

0

1460363

1460363

Phoenix Contact

CONN HOOD TOP ENTRY SZB6 M25

0

1419238

1419238

Phoenix Contact

CONN HOOD CPLNG BOTTOM SZD7 M20

117

1412616

1412616

Phoenix Contact

CONN HOOD SIDE ENTRY SZB10 M20

0

1420932

1420932

Phoenix Contact

SLEEVE HOUSING B16 FOR DOUBLE LO

0

1412683

1412683

Phoenix Contact

CONN HOOD SIDE ENTRY SZB16 PG21

0

1412598

1412598

Phoenix Contact

CONN HOOD TOP ENTRY SZB10 PG21

0

1460231

1460231

Phoenix Contact

CONN HOOD SIDE ENTRY SZB24 PG21

23

1421355

1421355

Phoenix Contact

CONN BASE SIDE ENTRY SZB10 M20

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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