Heavy Duty Connectors - Housings, Hoods, Bases

Image Part Number Description / PDF Quantity Rfq
1654200000

1654200000

Weidmuller

CONN HOOD SIDE ENTRY SZ4 PG29

0

1665660000

1665660000

Weidmuller

CONN HOOD SIDE ENTRY SZ7 PG21

0

1652510000

1652510000

Weidmuller

CONN HOOD SIDE ENTRY SZ3 PG16

0

1851900000

1851900000

Weidmuller

CONN HOOD SIDE/TOP SZ8 M20/25/32

0

1655460000

1655460000

Weidmuller

CONN BASE SIDE ENTRY SZ4 PG16

0

1579890000

1579890000

Weidmuller

CONN BASE BOTTOM ENTRY SZ8

0

1652540000

1652540000

Weidmuller

CONN HOOD SIDE ENTRY SZ3 PG16

0

1497800000

1497800000

Weidmuller

CONN BASE SIDE ENTRY SZ1 PG11

0

1661436666

1661436666

Weidmuller

HDC-HBD-64-TOVU1/21P

0

1600610000

1600610000

Weidmuller

CONN BASE SIDE ENTRY SZ6 PG21

0

1867390000

1867390000

Weidmuller

HDC SHIELD LEVER 3 SC

0

1867360000

1867360000

Weidmuller

HDC SHIELD LEVER 8 SC

0

1828590000

1828590000

Weidmuller

CONN BASE BOTTOM ENTRY SZ3

0

1663220000

1663220000

Weidmuller

CONN HOOD CPLNG BOTTOM SZ8 PG29

0

1787380000

1787380000

Weidmuller

CONN BASE SIDE ENTRY SZ4 M25

0

1656600000

1656600000

Weidmuller

CONN HOOD TOP ENTRY SZ6 PG21

0

1655720000

1655720000

Weidmuller

CONN BASE SIDE ENTRY SZ4 PG16

0

1787390000

1787390000

Weidmuller

CONN BASE SIDE ENTRY SZ4 M25

0

1652600000

1652600000

Weidmuller

CONN HOOD SIDE ENTRY SZ3 PG21

0

1661620000

1661620000

Weidmuller

CONN BASE SIDE ENTRY 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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