Heavy Duty Connectors - Housings, Hoods, Bases

Image Part Number Description / PDF Quantity Rfq
1775871

1775871

Phoenix Contact

CONN BASE BOTTOM ENTRY SZD50

0

1674231

1674231

Phoenix Contact

CONN HOOD SIDE ENTRY SZB24 PG29

0

1678567

1678567

Phoenix Contact

CONN MODULE BOTTOM ENTRY

0

1602054

1602054

Phoenix Contact

CONN HSG STACKBL SIDE SZB6 M25

0

1678101

1678101

Phoenix Contact

CONN HOOD CPLNG BOTTOM SZB6 PG29

0

1690079

1690079

Phoenix Contact

CONN HOOD SIDE ENTRY SZB10 M25

0

1772450

1772450

Phoenix Contact

CONN HOOD TOP ENTRY SZD25 PG21

3

1604729

1604729

Phoenix Contact

CONN BASE SIDE ENTRY SZB6 M20

9

1644643

1644643

Phoenix Contact

CONN HOOD SIDE ENTRY SZB16 M25

0

1678402

1678402

Phoenix Contact

CONN BASE SIDE ENTRY SZB24 PG29

0

1677694

1677694

Phoenix Contact

CONN BASE SIDE ENTRY SZB10 PG21

2

1687723

1687723

Phoenix Contact

CONN HOOD CPLNG BOTTOM SZB16

0

1687752

1687752

Phoenix Contact

CONN HOOD CPLNG BOTTOM SZB16

0

1772379

1772379

Phoenix Contact

CONN BASE BOTTOM ENTRY SZD15

0

1775868

1775868

Phoenix Contact

CONN BASE BOTTOM ENTRY SZD50

2

1677775

1677775

Phoenix Contact

CONN HOOD TOP ENTRY SZB10 PG21

0

1884403

1884403

Phoenix Contact

CONN BASE BOTTOM ENTRY

0

1674273

1674273

Phoenix Contact

CONN HOOD SIDE ENTRY SZB24 PG29

0

1604898

1604898

Phoenix Contact

CONN HOOD TOP ENTRY SZD15 M20

0

1677610

1677610

Phoenix Contact

CONN HOOD CPLNG BOTTOM SZB10

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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