Heavy Duty Connectors - Housings, Hoods, Bases

Image Part Number Description / PDF Quantity Rfq
1787940000

1787940000

Weidmuller

CONN HOOD CPLNG BOTTOM SZ8 M25

0

1664710000

1664710000

Weidmuller

CONN HOOD SIDE ENTRY SZ5 PG16

0

1788880000

1788880000

Weidmuller

CONN HOOD TOP ENTRY SZ2 M20

0

1656040000

1656040000

Weidmuller

CONN BASE BOTTOM ENTRY SZ3

0

1667630000

1667630000

Weidmuller

CONN BASE SIDE ENTRY SZ12 PG36

0

1209500000

1209500000

Weidmuller

CONN HOOD TOP ENTRY SZ6 PG21

0

1665340000

1665340000

Weidmuller

CONN BASE SIDE ENTRY SZ5 PG21

0

1666000000

1666000000

Weidmuller

CONN BASE SIDE ENTRY SZ7 PG29

0

1659050000

1659050000

Weidmuller

CONN BASE SIDE ENTRY SZ6 PG29

0

1788280000

1788280000

Weidmuller

CONN HOOD CPLNG BOTTOM SZ6 M25

0

1202300000

1202300000

Weidmuller

CONN BASE SIDE ENTRY SZ3 PG16

0

1497900000

1497900000

Weidmuller

CONN HOOD CPLNG BOTTOM SZ1

0

1653000000

1653000000

Weidmuller

CONN BASE SIDE ENTRY SZ3 PG16

0

1651030000

1651030000

Weidmuller

CONN HOOD TOP ENTRY SZ12 PG29

0

1827380000

1827380000

Weidmuller

CONN HOOD TOP ENTRY SZ3 M25

0

1662520000

1662520000

Weidmuller

CONN HOOD SIDE ENTRY SZ8 PG29

0

1661450000

1661450000

Weidmuller

CONN HOOD TOP ENTRY SZ8 PG29

0

1665500000

1665500000

Weidmuller

CONN HOOD CPLNG BOTTOM SZ5 PG21

0

1654270000

1654270000

Weidmuller

CONN HOOD TOP ENTRY SZ4 PG21

0

1213400000

1213400000

Weidmuller

CONN BASE SIDE ENTRY SZ8 PG21

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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