Heavy Duty Connectors - Housings, Hoods, Bases

Image Part Number Description / PDF Quantity Rfq
1787550000

1787550000

Weidmuller

CONN HOOD SIDE ENTRY SZ4 M25

0

1497700000

1497700000

Weidmuller

CONN BASE SIDE ENTRY SZ1

31

1003080000

1003080000

Weidmuller

CONN HOOD TOP ENTRY SZHQ PG21

18

1664560000

1664560000

Weidmuller

CONN HOOD CPLNG BOTTOM SZ2 PG16

602

1082650000

1082650000

Weidmuller

CONN HOOD SIDE ENTRY SZ4 M25

0

1666870000

1666870000

Weidmuller

CONN HOOD TOP ENTRY SZ10 PG29

56

1788740000

1788740000

Weidmuller

CONN HOOD SIDE ENTRY SZ5 M25

40

1902980000

1902980000

Weidmuller

CONN HOOD TOP ENTRY SZ8 M40

5

1787230000

1787230000

Weidmuller

CONN HOOD SIDE ENTRY SZ4 M32

2

1654380000

1654380000

Weidmuller

CONN BASE SIDE ENTRY SZ4 PG16

24

1664920000

1664920000

Weidmuller

CONN BASE BOTTOM ENTRY SZ5

36

1652480000

1652480000

Weidmuller

CONN HOOD SIDE ENTRY SZ1 PG11

3354

1903610000

1903610000

Weidmuller

CONN HOOD SIDE ENTRY SZ4 M25

0

1083120000

1083120000

Weidmuller

CONN BASE SIDE ENTRY SZ1

0

1082850000

1082850000

Weidmuller

CONN HOOD SIDE ENTRY SZ6 PG36

0

1082660000

1082660000

Weidmuller

CONN HOOD SIDE ENTRY SZ4 M32

0

1082580000

1082580000

Weidmuller

CONN HOOD TOP ENTRY SZ4 M20

0

1903410000

1903410000

Weidmuller

CONN BASE SIDE ENTRY SZ4 M25

0

1082820000

1082820000

Weidmuller

CONN HOOD SIDE ENTRY SZ6 M50

0

1664170000

1664170000

Weidmuller

CONN BASE SIDE ENTRY SZ2 PG16

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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