Heavy Duty Connectors - Housings, Hoods, Bases

Image Part Number Description / PDF Quantity Rfq
1664840000

1664840000

Weidmuller

CONN HOOD TOP ENTRY SZ5 PG16

0

1665360000

1665360000

Weidmuller

CONN BASE SIDE ENTRY SZ5 PG16

0

1657970000

1657970000

Weidmuller

CONN HOOD TOP ENTRY SZ6 PG21

0

1658050000

1658050000

Weidmuller

CONN HOOD TOP ENTRY SZ6 PG21

0

1655860000

1655860000

Weidmuller

CONN BASE SIDE ENTRY SZ4 PG29

0

1219900000

1219900000

Weidmuller

CONN BASE SIDE ENTRY SZ10 PG29

0

1655090000

1655090000

Weidmuller

CONN BASE SIDE ENTRY SZ4 PG16

0

1661420000

1661420000

Weidmuller

CONN HOOD TOP ENTRY SZ8 PG29

0

1788020000

1788020000

Weidmuller

CONN HOOD TOP ENTRY SZ7 M25

0

1655010000

1655010000

Weidmuller

CONN BASE SIDE ENTRY SZ4 PG16

0

1222400000

1222400000

Weidmuller

CONN HOOD TOP ENTRY SZ12 PG36

0

1654420000

1654420000

Weidmuller

CONN BASE SIDE ENTRY SZ4 PG21

0

1651250000

1651250000

Weidmuller

CONN BASE SIDE ENTRY SZ12 PG29

0

1662150000

1662150000

Weidmuller

CONN BASE BOTTOM ENTRY SZ8

0

1827370000

1827370000

Weidmuller

CONN HOOD SIDE ENTRY SZ3 M25

0

1851890000

1851890000

Weidmuller

CONN HOOD SIDE/TOP SZ8 M16/25/32

0

1767360000

1767360000

Weidmuller

HDC-CM-OB

0

1579880000

1579880000

Weidmuller

CONN BASE BOTTOM ENTRY SZ6

0

1657880000

1657880000

Weidmuller

CONN HOOD SIDE ENTRY SZ6 PG21

0

1662660000

1662660000

Weidmuller

CONN HOOD TOP 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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