Heavy Duty Connectors - Housings, Hoods, Bases

Image Part Number Description / PDF Quantity Rfq
1787590000

1787590000

Weidmuller

CONN HOOD TOP ENTRY SZ4 M25

5

1788410000

1788410000

Weidmuller

CONN HOOD SIDE ENTRY SZ10 M32

0

1904400000

1904400000

Weidmuller

HDC 64D SDBO 1M32G

0

1657420000

1657420000

Weidmuller

CONN HOOD SIDE ENTRY SZ6 PG21

0

1666270000

1666270000

Weidmuller

CONN HOOD SIDE ENTRY SZ7 PG29

0

1787790000

1787790000

Weidmuller

CONN HOOD SIDE ENTRY SZ8 M32

0

1983500000

1983500000

Weidmuller

HDC 48B SDLU 2M40G

0

1663930000

1663930000

Weidmuller

CONN HOOD TOP ENTRY SZ2 PG16

20

1787280000

1787280000

Weidmuller

CONN HOOD SIDE ENTRY SZ4 M25

0

1788790000

1788790000

Weidmuller

CONN BASE SIDE ENTRY SZ5 M20

0

1788220000

1788220000

Weidmuller

CONN HOOD TOP ENTRY SZ6 M25

0

1804640000

1804640000

Weidmuller

CONN HOOD SIDE ENTRY SZ6 M32

0

1788040000

1788040000

Weidmuller

CONN BASE SIDE ENTRY SZ7 M25

0

1652960000

1652960000

Weidmuller

HDC-HBD-K-16-SVL2/29

0

1788700000

1788700000

Weidmuller

CONN HOOD TOP ENTRY SZ5 M25

2

1219800000

1219800000

Weidmuller

CONN BASE BOTTOM ENTRY SZ10

23

1788390000

1788390000

Weidmuller

CONN BASE SIDE ENTRY SZ12 M32

0

1666750000

1666750000

Weidmuller

CONN BASE BOTTOM ENTRY SZ9

0

1666810000

1666810000

Weidmuller

CONN BASE SIDE ENTRY SZ9 PG29

0

1787190000

1787190000

Weidmuller

CONN HOOD CPLNG BOTTOM SZ6 M32

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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