Heavy Duty Connectors - Housings, Hoods, Bases

Image Part Number Description / PDF Quantity Rfq
1772353

1772353

Phoenix Contact

CONN HOOD TOP ENTRY SZD15 PG16

0

1678813

1678813

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CONN HOOD TOP ENTRY SZB6 PG16

0

1771820

1771820

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CONN HOOD SIDE ENTRY SZB24 PG21

0

1771257

1771257

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CONN HOOD TOP ENTRY SZB10 PG16

0

1771383

1771383

Phoenix Contact

CONN BASE SIDE ENTRY SZB10 PG16

3

1772052

1772052

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CONN HOOD CPLNG BOTTOM SZB24

0

1771192

1771192

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CONN HOOD CPLNG BOTTOM SZB6

0

1677801

1677801

Phoenix Contact

CONN HOOD SIDE ENTRY SZB10 PG29

0

1673494

1673494

Phoenix Contact

CONN BASE SIDE ENTRY SZB10 PG16

0

1772133

1772133

Phoenix Contact

CONN HOOD SIDE ENTRY SZB48 PG29

0

1673711

1673711

Phoenix Contact

CONN BASE SIDE ENTRY SZB16 PG21

0

1690477

1690477

Phoenix Contact

CONN HOOD SIDE ENTRY SZB24 M40

0

1690121

1690121

Phoenix Contact

CONN HOOD TOP ENTRY SZB10 M32

0

1775680

1775680

Phoenix Contact

CONN HOOD TOP ENTRY SZB32 PG29

0

1677924

1677924

Phoenix Contact

CONN BASE SIDE ENTRY SZB16 PG21

0

1673740

1673740

Phoenix Contact

CONN BASE SIDE ENTRY SZB16 PG21

0

1690066

1690066

Phoenix Contact

CONN HOOD SIDE ENTRY SZB10 M25

0

1677717

1677717

Phoenix Contact

CONN BASE SIDE ENTRY SZB10 PG21

0

1645037

1645037

Phoenix Contact

CONN HOOD SIDE ENTRY SZB16 M25

0

1413112

1413112

Phoenix Contact

CONN BASE BOTTOM ENTRY SZD7

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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