Heavy Duty Connectors - Housings, Hoods, Bases

Image Part Number Description / PDF Quantity Rfq
1786770000

1786770000

Weidmuller

CONN HOOD SIDE ENTRY SZ8 M32

5

1215920000

1215920000

Weidmuller

HDC 16B DC

0

1664210000

1664210000

Weidmuller

CONN BASE SIDE ENTRY SZ2 PG21

0

1788490000

1788490000

Weidmuller

CONN BASE SIDE ENTRY SZ10 M32

0

1081440000

1081440000

Weidmuller

CONN BASE SIDE ENTRY SZ8 PG36

0

1905520000

1905520000

Weidmuller

CONN HDC HB 6 EMVK TOS 1X M32

0

1651100000

1651100000

Weidmuller

CONN BASE SIDE ENTRY SZ12 PG29

15

1786940000

1786940000

Weidmuller

CONN BASE SIDE ENTRY SZ8 M32

0

1788400000

1788400000

Weidmuller

CONN HOOD SIDE ENTRY SZ10 M32

27

1787540000

1787540000

Weidmuller

CONN BASE SIDE ENTRY SZ3 M25

0

1786910000

1786910000

Weidmuller

CONN BASE SIDE ENTRY SZ8 M25

0

1657640000

1657640000

Weidmuller

CONN BASE SIDE ENTRY SZ6 PG21

0

1788350000

1788350000

Weidmuller

CONN HOOD TOP ENTRY SZ12 M32

0

1662930000

1662930000

Weidmuller

HDC-HB-24-SDVL2/21

0

1788140000

1788140000

Weidmuller

CONN BASE SIDE ENTRY SZ3 M20

0

1787510000

1787510000

Weidmuller

CONN BASE SIDE ENTRY SZ3 M32

0

1415810000

1415810000

Weidmuller

HDC 16B SDLU 1M25G

0

1787120000

1787120000

Weidmuller

CONN BASE SIDE ENTRY SZ6 M25

30

1052430000

1052430000

Weidmuller

HDC 10B ABO CS

0

1652760000

1652760000

Weidmuller

CONN BASE SIDE ENTRY SZ3 PG16

2

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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