Heavy Duty Connectors - Housings, Hoods, Bases

Image Part Number Description / PDF Quantity Rfq
1666540000

1666540000

Weidmuller

CONN BASE SIDE ENTRY SZ7 PG21

0

1654390000

1654390000

Weidmuller

CONN BASE SIDE ENTRY SZ4 PG16

0

1201900000

1201900000

Weidmuller

CONN HOOD SIDE ENTRY SZ3 PG13

0

1663820000

1663820000

Weidmuller

CONN HOOD SIDE ENTRY SZ2 PG16

0

1666720000

1666720000

Weidmuller

CONN HOOD TOP ENTRY SZ9 PG29

0

1665680000

1665680000

Weidmuller

CONN HOOD SIDE ENTRY SZ7 PG29

0

1654670000

1654670000

Weidmuller

CONN HOOD CPLNG BOTTOM SZ4 PG29

0

1900080000

1900080000

Weidmuller

HDC 16B SDBO 1M25G

0

1655880000

1655880000

Weidmuller

CONN HOOD CPLNG BOTTOM SZ4 PG16

0

1670540000

1670540000

Weidmuller

CONN HOOD SIDE ENTRY SZ3 PG13

0

1219000000

1219000000

Weidmuller

CONN BASE SIDE ENTRY SZ10 PG29

0

1662620000

1662620000

Weidmuller

CONN HOOD TOP ENTRY SZ8 PG29

0

1670520000

1670520000

Weidmuller

CONN HOOD TOP ENTRY SZ3 PG13

0

1600600000

1600600000

Weidmuller

CONN BASE SIDE ENTRY SZ10 PG29

0

1652610000

1652610000

Weidmuller

CONN HOOD SIDE ENTRY SZ3 PG29

0

1804620000

1804620000

Weidmuller

CONN HOOD SIDE ENTRY SZ5 M20

0

1827490000

1827490000

Weidmuller

CONN BASE BOTTOM ENTRY SZ8

0

1218100000

1218100000

Weidmuller

CONN HOOD CPLNG BOTTOM SZ10 PG29

0

1209900000

1209900000

Weidmuller

CONN BASE SIDE ENTRY SZ6 PG21

0

1827120000

1827120000

Weidmuller

CONN HOOD SIDE ENTRY SZ12 M40

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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