Heavy Duty Connectors - Housings, Hoods, Bases

Image Part Number Description / PDF Quantity Rfq
1664680000

1664680000

Weidmuller

CONN HOOD SIDE ENTRY SZ5 PG16

0

1223400000

1223400000

Weidmuller

CONN BASE SIDE ENTRY SZ12 PG29

0

1655260000

1655260000

Weidmuller

CONN HOOD SIDE ENTRY SZ4 PG29

0

1213500000

1213500000

Weidmuller

CONN BASE SIDE ENTRY SZ8 PG21

0

1579700000

1579700000

Weidmuller

CONN BASE SIDE ENTRY SZ6 PG21

0

1658010000

1658010000

Weidmuller

CONN HOOD TOP ENTRY SZ6 PG29

0

1788660000

1788660000

Weidmuller

HDC 10A SDLU 2M20G

0

1656510000

1656510000

Weidmuller

CONN HOOD SIDE ENTRY SZ6 PG21

0

1208900000

1208900000

Weidmuller

CONN HOOD CPLNG BOTTOM SZ6 PG21

0

1787140000

1787140000

Weidmuller

CONN BASE SIDE ENTRY SZ6 M25

0

1657390000

1657390000

Weidmuller

CONN HOOD SIDE ENTRY SZ6 PG21

0

1656780000

1656780000

Weidmuller

CONN BASE SIDE ENTRY SZ6 PG21

0

1652630000

1652630000

Weidmuller

CONN HOOD TOP ENTRY SZ3 PG16

0

1662460000

1662460000

Weidmuller

CONN HOOD SIDE ENTRY SZ8 PG21

0

1827630000

1827630000

Weidmuller

CONN BASE SIDE ENTRY SZ4 M32

0

1787160000

1787160000

Weidmuller

CONN BASE SIDE ENTRY SZ6 M25

0

1663010000

1663010000

Weidmuller

CONN BASE SIDE ENTRY SZ8 PG29

0

1983820000

1983820000

Weidmuller

HDC CM BUS SV GCA F

0

1593510000

1593510000

Weidmuller

CONN BASE SIDE ENTRY SZ3 PG16

0

1219200000

1219200000

Weidmuller

CONN HOOD TOP ENTRY SZ10 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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