Heavy Duty Connectors - Housings, Hoods, Bases

Image Part Number Description / PDF Quantity Rfq
1678431

1678431

Phoenix Contact

CONN BASE SIDE ENTRY SZB24 PG29

0

1690422

1690422

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CONN HOOD TOP ENTRY SZB24 M40

0

1675463

1675463

Phoenix Contact

CONN HOOD SIDE ENTRY SZD7 PG11

0

1773035

1773035

Phoenix Contact

CONN BASE BOTTOM ENTRY SZD7

0

1675081

1675081

Phoenix Contact

CONN HOOD TOP ENTRY SZB32 PG29

0

1673452

1673452

Phoenix Contact

CONN BASE SIDE ENTRY SZB10 PG16

0

1673449

1673449

Phoenix Contact

CONN BASE SIDE ENTRY SZB10 PG16

0

1678363

1678363

Phoenix Contact

CONN BASE BOTTOM ENTRY SZD15

0

1413718

1413718

Phoenix Contact

CONN HOOD CPLNG BOTTOM SZD7 M20

0

1678114

1678114

Phoenix Contact

CONN BASE SIDE ENTRY SZB6 PG21

0

1771969

1771969

Phoenix Contact

CONN BASE SIDE ENTRY SZB24 PG21

6

1772340

1772340

Phoenix Contact

CONN HOOD SIDE ENTRY SZD15 PG21

0

1771545

1771545

Phoenix Contact

CONN HOOD TOP ENTRY SZB16 PG21

0

1772382

1772382

Phoenix Contact

CONN BASE SIDE ENTRY SZD15 PG16

0

1678130

1678130

Phoenix Contact

CONN BASE SIDE ENTRY SZB6 PG21

0

1604719

1604719

Phoenix Contact

CONN HOOD CPLNG BOTTOM SZB6 M20

0

1771286

1771286

Phoenix Contact

CONN HOOD TOP ENTRY SZB10 PG16

0

1673698

1673698

Phoenix Contact

CONN BASE SIDE ENTRY SZB16 PG21

0

1604798

1604798

Phoenix Contact

CONN HOOD TOP ENTRY SZB16 M25

0

1690202

1690202

Phoenix Contact

CONN HOOD TOP ENTRY SZB16 M32

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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