Heavy Duty Connectors - Housings, Hoods, Bases

Image Part Number Description / PDF Quantity Rfq
1983470000

1983470000

Weidmuller

HDC 64D TOLU 1M40G CS

0

1657540000

1657540000

Weidmuller

CONN HOOD TOP ENTRY SZ6 PG29

0

1787840000

1787840000

Weidmuller

CONN HOOD TOP ENTRY SZ8 M25

0

1222500000

1222500000

Weidmuller

CONN HOOD TOP ENTRY SZ12 PG42

0

1662710000

1662710000

Weidmuller

CONN BASE SIDE ENTRY SZ8 PG21

0

1654760000

1654760000

Weidmuller

CONN HOOD SIDE ENTRY SZ4 PG16

0

1658550000

1658550000

Weidmuller

CONN HOOD CPLNG BOTTOM SZ6 PG21

0

1662420000

1662420000

Weidmuller

CONN HOOD SIDE ENTRY SZ8 PG21

0

1664160000

1664160000

Weidmuller

CONN BASE SIDE ENTRY SZ2 PG16

0

1663910000

1663910000

Weidmuller

CONN HOOD SIDE ENTRY SZ2 PG21

0

1661930000

1661930000

Weidmuller

CONN HOOD SIDE ENTRY SZ8 PG21

0

1827360000

1827360000

Weidmuller

CONN HOOD TOP ENTRY SZ4 M32

0

1650910000

1650910000

Weidmuller

CONN HOOD SIDE ENTRY SZ12 PG29

0

1212700000

1212700000

Weidmuller

CONN HOOD CPLNG BOTTOM SZ8 PG21

0

1666700000

1666700000

Weidmuller

CONN HOOD SIDE ENTRY SZ9 PG29

0

1205900000

1205900000

Weidmuller

CONN HOOD TOP ENTRY SZ4 PG16

0

6760004629

6760004629

Weidmuller

HDC 32B ABU CONTACT-LAPP

0

1652370000

1652370000

Weidmuller

CONN HOOD TOP ENTRY SZ1 PG11

0

1654440000

1654440000

Weidmuller

CONN BASE SIDE ENTRY SZ4 PG21

0

1654430000

1654430000

Weidmuller

CONN BASE SIDE ENTRY SZ4 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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