Heavy Duty Connectors - Housings, Hoods, Bases

Image Part Number Description / PDF Quantity Rfq
1690367

1690367

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CONN HOOD TOP ENTRY SZB24 M32

0

1772269

1772269

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CONN HOOD TOP ENTRY SZD7 PG11

0

1676970

1676970

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CONN BASE BOTTOM ENTRY SZD7

0

1673999

1673999

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CONN HOOD TOP ENTRY SZB16 PG21

0

1771587

1771587

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CONN BASE BOTTOM ENTRY SZB16

0

1675450

1675450

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CONN HOOD TOP ENTRY SZD7 PG11

0

1645273

1645273

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CONN HOOD SIDE ENTRY SZD25 M25

0

1460199

1460199

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CONN HOOD TOP ENTRY SZB24 PG21

0

1642593

1642593

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CONN HOOD SIDE ENTRY SZB16 M32

0

1773284

1773284

Phoenix Contact

CONN BASE SIDE ENTRY SZD7 PG11

0

1673850

1673850

Phoenix Contact

CONN HOOD SIDE ENTRY SZB16 PG29

0

1677788

1677788

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CONN HOOD SIDE ENTRY SZB10 PG21

0

1677843

1677843

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CONN BASE SIDE ENTRY SZB16 PG29

0

1772447

1772447

Phoenix Contact

CONN HOOD TOP ENTRY SZD25 PG16

3

1687312

1687312

Phoenix Contact

CONN BASE BOTTOM ENTRY SZB24

0

1675191

1675191

Phoenix Contact

CONN HOOD CPLNG BOTTOM SZB6

0

1645312

1645312

Phoenix Contact

CONN HOOD SIDE ENTRY SZB10 M32

0

1771516

1771516

Phoenix Contact

CONN HOOD TOP ENTRY SZB16 PG21

0

1604784

1604784

Phoenix Contact

CONN BASE SIDE ENTRY SZB16 M25

4

1673478

1673478

Phoenix Contact

CONN BASE 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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