Heavy Duty Connectors - Housings, Hoods, Bases

Image Part Number Description / PDF Quantity Rfq
1787400000

1787400000

Weidmuller

CONN BASE SIDE ENTRY SZ4 M25

0

1663370000

1663370000

Weidmuller

CONN HOOD SIDE ENTRY SZ8 PG21

0

1788510000

1788510000

Weidmuller

CONN HOOD SIDE ENTRY SZ1 M20

0

1787570000

1787570000

Weidmuller

CONN HOOD SIDE ENTRY SZ4 M25

0

1787020000

1787020000

Weidmuller

CONN HOOD SIDE ENTRY SZ6 M32

0

1788470000

1788470000

Weidmuller

CONN BASE SIDE ENTRY SZ10 M32

0

1788250000

1788250000

Weidmuller

CONN BASE SIDE ENTRY SZ6 M25

0

1165790000

1165790000

Weidmuller

HDC 32B DODQ 4BO

0

1787620000

1787620000

Weidmuller

CONN HOOD TOP ENTRY SZ4 M25

0

1788430000

1788430000

Weidmuller

CONN HOOD TOP ENTRY SZ10 M32

0

1215910000

1215910000

Weidmuller

HDC 10B DC DUST COVER

0

1786920000

1786920000

Weidmuller

CONN BASE SIDE ENTRY SZ8 M32

0

1822170000

1822170000

Weidmuller

CONN HDC HA10 SDVL 2X M25 SET

0

1662180000

1662180000

Weidmuller

CONN BASE SIDE ENTRY SZ8 PG21

0

1787870000

1787870000

Weidmuller

CONN BASE SIDE ENTRY SZ8 M25

0

1787810000

1787810000

Weidmuller

CONN HOOD TOP ENTRY SZ8 M32

10

1788160000

1788160000

Weidmuller

CONN BASE SIDE ENTRY SZ3 M25

0

1873860000

1873860000

Weidmuller

HDC HA 10 FC

0

1900360000

1900360000

Weidmuller

HDC 06B SDLU 1M20G

0

1787170000

1787170000

Weidmuller

CONN BASE SIDE ENTRY SZ6 M32

10

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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