Heavy Duty Connectors - Housings, Hoods, Bases

Image Part Number Description / PDF Quantity Rfq
1690273

1690273

Phoenix Contact

CONN HOOD TOP ENTRY SZB16 M40

0

1460344

1460344

Phoenix Contact

CONN HOOD SIDE ENTRY SZB6 PG13.5

0

1884322

1884322

Phoenix Contact

CONN BASE BOTTOM ENTRY

0

1674899

1674899

Phoenix Contact

CONN BASE SIDE ENTRY SZD7 M20

0

1674260

1674260

Phoenix Contact

CONN HOOD TOP ENTRY SZB24 PG29

0

1775567

1775567

Phoenix Contact

CONN HOOD TOP ENTRY SZB16 PG29

0

1660025

1660025

Phoenix Contact

CONN HOOD SIDE ENTRY SZB16 PG21

0

1772010

1772010

Phoenix Contact

CONN BASE SIDE ENTRY SZB24 PG21

8

1673724

1673724

Phoenix Contact

CONN BASE SIDE ENTRY SZB16 PG21

0

1690260

1690260

Phoenix Contact

CONN HOOD TOP ENTRY SZB16 M40

0

1675272

1675272

Phoenix Contact

CONN BASE SIDE ENTRY SZB6 PG16

6

1771930

1771930

Phoenix Contact

CONN BASE BOTTOM ENTRY SZB24

0

1690105

1690105

Phoenix Contact

CONN HOOD TOP ENTRY SZB10 M32

0

1677681

1677681

Phoenix Contact

CONN BASE SIDE ENTRY SZB10 PG29

0

1673753

1673753

Phoenix Contact

CONN BASE SIDE ENTRY SZB16 PG21

0

1678570

1678570

Phoenix Contact

CONN MODULE BOTTOM ENTRY

0

1772188

1772188

Phoenix Contact

CONN BASE BOTTOM ENTRY SZB48

0

1677571

1677571

Phoenix Contact

CONN BASE SIDE ENTRY SZD25 PG21

0

1690244

1690244

Phoenix Contact

CONN HOOD SIDE ENTRY SZB16 M32

0

1642742

1642742

Phoenix Contact

CONN BASE BOTTOM ENTRY SZB16

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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