Heavy Duty Connectors - Housings, Hoods, Bases

Image Part Number Description / PDF Quantity Rfq
1081210000

1081210000

Weidmuller

CONN BASE SIDE ENTRY SZ3 M32

0

2488600000

2488600000

Weidmuller

HOUSING (INDUSTRY PLUG-IN CONNEC

19

1787560000

1787560000

Weidmuller

CONN HOOD SIDE ENTRY SZ4 M20

1830

1787660000

1787660000

Weidmuller

CONN BASE SIDE ENTRY SZ4 M20

0

1788830000

1788830000

Weidmuller

CONN BASE SIDE ENTRY SZ1 M20

2825

1666740000

1666740000

Weidmuller

CONN BASE BOTTOM ENTRY SZ9

0

1901560000

1901560000

Weidmuller

CONN BASE SIDE ENTRY SZ8 M25

13

1082930000

1082930000

Weidmuller

CONN HOOD TOP ENTRY SZ8 PG36

0

1658120000

1658120000

Weidmuller

CONN BASE SIDE ENTRY SZ6 PG21

0

1652750000

1652750000

Weidmuller

CONN BASE SIDE ENTRY SZ3 PG16

8

1658020000

1658020000

Weidmuller

CONN HOOD TOP ENTRY SZ6 PG29

2416

1082410000

1082410000

Weidmuller

CONN HOOD TOP ENTRY SZ1 PG13.5

0

1082910000

1082910000

Weidmuller

CONN HOOD TOP ENTRY SZ8 PG29

0

1081390000

1081390000

Weidmuller

CONN BASE SIDE ENTRY SZ6 M32

0

1787950000

1787950000

Weidmuller

CONN HOOD SIDE ENTRY SZ7 M32

0

1654170000

1654170000

Weidmuller

CONN HOOD SIDE ENTRY SZ4 PG29

1015

1670470000

1670470000

Weidmuller

CONN HOOD SIDE ENTRY SZ12 PG42

0

1654070000

1654070000

Weidmuller

CONN HOOD SIDE ENTRY SZ4 PG16

32109

1655890000

1655890000

Weidmuller

CONN HOOD CPLNG BOTTOM SZ4 PG16

44

1082670000

1082670000

Weidmuller

CONN HOOD SIDE ENTRY SZ4 PG21

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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