Heavy Duty Connectors - Housings, Hoods, Bases

Image Part Number Description / PDF Quantity Rfq
1652390000

1652390000

Weidmuller

CONN HOOD SIDE ENTRY SZ1 PG11

0

1664950000

1664950000

Weidmuller

CONN BASE BOTTOM ENTRY SZ5

0

1655110000

1655110000

Weidmuller

CONN BASE SIDE ENTRY SZ4 PG29

0

1827290000

1827290000

Weidmuller

CONN HOOD SIDE ENTRY SZ6 M32

0

1665800000

1665800000

Weidmuller

CONN HOOD TOP ENTRY SZ7 PG29

0

1787090000

1787090000

Weidmuller

CONN HOOD TOP ENTRY SZ6 M25

0

1593480000

1593480000

Weidmuller

CONN BASE BOTTOM ENTRY SZ3

0

1656760000

1656760000

Weidmuller

HDC-HB-K-16-SVU2/21P

0

1661610000

1661610000

Weidmuller

CONN BASE SIDE ENTRY SZ8 PG29

0

1788870000

1788870000

Weidmuller

CONN HOOD TOP ENTRY SZ2 M25

0

1855930000

1855930000

Weidmuller

HDC HBD 64 TVU - SONDER

0

1651090000

1651090000

Weidmuller

CONN BASE BOTTOM ENTRY SZ12

0

1654800000

1654800000

Weidmuller

CONN HOOD SIDE ENTRY SZ4 PG29

0

1212600000

1212600000

Weidmuller

CONN BASE SIDE ENTRY SZ8 PG21

0

1656500000

1656500000

Weidmuller

CONN HOOD SIDE ENTRY SZ6 PG21

0

1788380000

1788380000

Weidmuller

CONN BASE SIDE ENTRY SZ12 M40

0

1657930000

1657930000

Weidmuller

CONN HOOD SIDE ENTRY SZ6 PG21

0

1257900000

1257900000

Weidmuller

HDC 32B TOBU LAPP 1013400

0

1662970000

1662970000

Weidmuller

CONN BASE SIDE ENTRY SZ8 PG21

0

1658430000

1658430000

Weidmuller

CONN BASE SIDE ENTRY SZ6 PG29

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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