Heavy Duty Connectors - Housings, Hoods, Bases

Image Part Number Description / PDF Quantity Rfq
1900330000

1900330000

Weidmuller

CONN HOOD TOP ENTRY SZ1 PG13

0

1788450000

1788450000

Weidmuller

CONN HOOD TOP ENTRY SZ10 M32

2

1003090000

1003090000

Weidmuller

CONN HOOD SIDE ENTRY SZHQ PG16

6

1787600000

1787600000

Weidmuller

CONN HOOD TOP ENTRY SZ4 M20

12

1661240000

1661240000

Weidmuller

CONN HOOD SIDE ENTRY SZ8 PG29

0

1654580000

1654580000

Weidmuller

CONN HOOD CPLNG BOTTOM SZ4 PG16

236

1661380000

1661380000

Weidmuller

CONN HOOD TOP ENTRY SZ8 PG29

35

1218800000

1218800000

Weidmuller

CONN BASE BOTTOM ENTRY SZ10

0

1790040000

1790040000

Weidmuller

CONN BASE BOTTOM ENTRY SZ4

20

1654860000

1654860000

Weidmuller

CONN HOOD TOP ENTRY SZ4 PG16

0

1081360000

1081360000

Weidmuller

CONN BASE SIDE ENTRY SZ6 M40

0

1804650000

1804650000

Weidmuller

HDC 40D TSLU 1M40G

8

1654450000

1654450000

Weidmuller

CONN BASE SIDE ENTRY SZ4 PG21

0

1003100000

1003100000

Weidmuller

CONN HOOD SIDE ENTRY SZHQ PG21

0

1082480000

1082480000

Weidmuller

CONN HOOD TOP ENTRY SZ3 PG29

0

1082950000

1082950000

Weidmuller

CONN HOOD TOP ENTRY DUAL SZ8 M40

0

1661370000

1661370000

Weidmuller

CONN HOOD TOP ENTRY SZ8 PG21

1699

1787760000

1787760000

Weidmuller

CONN HOOD SIDE ENTRY SZ8 M25

0

1082730000

1082730000

Weidmuller

CONN HOOD TOP ENTRY SZ6 M50

0

1003120000

1003120000

Weidmuller

CONN HOOD CPLNG BOTTOM SZHQ 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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