Heavy Duty Connectors - Housings, Hoods, Bases

Image Part Number Description / PDF Quantity Rfq
1663980000

1663980000

Weidmuller

CONN HOOD TOP ENTRY SZ2 PG21

0

1663800000

1663800000

Weidmuller

CONN HOOD SIDE ENTRY SZ2 PG16

0

1658360000

1658360000

Weidmuller

CONN BASE SIDE ENTRY SZ6 PG21

0

1827510000

1827510000

Weidmuller

CONN BASE BOTTOM ENTRY SZ6

0

1208300000

1208300000

Weidmuller

CONN HOOD TOP ENTRY SZ6 PG21

0

1664880000

1664880000

Weidmuller

CONN HOOD TOP ENTRY SZ5 PG16

0

1498500000

1498500000

Weidmuller

CONN HOOD BOTTOM ENTRY SZ1 PG11

0

1664760000

1664760000

Weidmuller

CONN HOOD SIDE ENTRY SZ5 PG16

0

1658680000

1658680000

Weidmuller

CONN HOOD SIDE ENTRY SZ6 PG21

0

1664400000

1664400000

Weidmuller

CONN BASE SIDE ENTRY SZ2 PG16

0

1665780000

1665780000

Weidmuller

CONN HOOD TOP ENTRY SZ7 PG21

0

1827340000

1827340000

Weidmuller

CONN HOOD TOP ENTRY SZ4 M32

0

1788000000

1788000000

Weidmuller

CONN HOOD TOP ENTRY SZ7 M25

0

1206700000

1206700000

Weidmuller

CONN BASE SIDE ENTRY SZ4 PG16

0

1205200000

1205200000

Weidmuller

CONN BASE SIDE ENTRY SZ4 PG16

0

1654650000

1654650000

Weidmuller

CONN HOOD CPLNG BOTTOM SZ4 PG21

0

1656800000

1656800000

Weidmuller

CONN BASE SIDE ENTRY SZ6 PG21

0

1665060000

1665060000

Weidmuller

CONN BASE SIDE ENTRY SZ5 PG16

0

1047880000

1047880000

Weidmuller

CONN HDC HB 16 EMVK TOS1X M40

0

1212800000

1212800000

Weidmuller

CONN HOOD CPLNG BOTTOM SZ8 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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