Heavy Duty Connectors - Housings, Hoods, Bases

Image Part Number Description / PDF Quantity Rfq
1788890000

1788890000

Weidmuller

CONN HOOD CPLNG BOTTOM SZ2 M25

0

1666800000

1666800000

Weidmuller

CONN BASE SIDE ENTRY SZ9 PG29

0

1662200000

1662200000

Weidmuller

CONN BASE SIDE ENTRY SZ8 PG21

0

1665100000

1665100000

Weidmuller

CONN BASE SIDE ENTRY SZ5 PG21

0

1899870000

1899870000

Weidmuller

HDC O4A AWLU

0

1655550000

1655550000

Weidmuller

CONN BASE SIDE ENTRY SZ4 PG29

0

1654310000

1654310000

Weidmuller

CONN HOOD TOP ENTRY SZ4 PG29

0

1214400000

1214400000

Weidmuller

CONN BASE SIDE ENTRY SZ8 PG21

0

1655700000

1655700000

Weidmuller

CONN BASE SIDE ENTRY SZ4 PG16

0

1968340000

1968340000

Weidmuller

HDC 24B KLU 1M25G

0

1787890000

1787890000

Weidmuller

CONN BASE SIDE ENTRY SZ8 M25

0

1665960000

1665960000

Weidmuller

CONN BASE SIDE ENTRY SZ7 PG21

0

1666900000

1666900000

Weidmuller

CONN BASE BOTTOM ENTRY SZ10

0

1656570000

1656570000

Weidmuller

CONN HOOD SIDE ENTRY SZ6 PG29

0

1786930000

1786930000

Weidmuller

CONN BASE SIDE ENTRY SZ8 M25

0

1664620000

1664620000

Weidmuller

CONN HOOD CPLNG BOTTOM SZ2 PG21

0

1670480000

1670480000

Weidmuller

CONN HOOD SIDE ENTRY SZ12 PG29

0

1214100000

1214100000

Weidmuller

CONN BASE SIDE ENTRY SZ8 PG21

0

1851860000

1851860000

Weidmuller

CONN HOOD SIDE/TOP SZ6 M25/M32

0

1658000000

1658000000

Weidmuller

CONN HOOD TOP ENTRY SZ6 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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