Heavy Duty Connectors - Housings, Hoods, Bases

Image Part Number Description / PDF Quantity Rfq
1655320000

1655320000

Weidmuller

CONN HOOD TOP ENTRY SZ4 PG16

233

1786890000

1786890000

Weidmuller

CONN BASE SIDE ENTRY SZ8 M25

0

1665450000

1665450000

Weidmuller

CONN HOOD CPLNG BOTTOM SZ5 PG16

10

1788240000

1788240000

Weidmuller

CONN BASE SIDE ENTRY SZ6 M25

0

1901640000

1901640000

Weidmuller

CONN BASE SIDE ENTRY SZ4 M25

0

1902610000

1902610000

Weidmuller

CONN BASE SIDE ENTRY SZ10 PG36

0

1666920000

1666920000

Weidmuller

CONN BASE SIDE ENTRY SZ10 PG29

3

1652520000

1652520000

Weidmuller

CONN HOOD SIDE ENTRY SZ3 PG16

10120

1082390000

1082390000

Weidmuller

CONN HOOD TOP ENTRY SZ1 M20

0

1664630000

1664630000

Weidmuller

CONN HOOD CPLNG BOTTOM SZ2 PG21

0

1667120000

1667120000

Weidmuller

CONN HOOD SIDE ENTRY SZ10 PG29

0

1081310000

1081310000

Weidmuller

CONN BASE SIDE ENTRY SZ4 M20

0

1901480000

1901480000

Weidmuller

CONN BASE SIDE ENTRY SZ8 M25

0

1082560000

1082560000

Weidmuller

CONN HOOD SIDE ENTRY SZ3 PG16

0

1217800000

1217800000

Weidmuller

CONN BASE BOTTOM ENTRY SZ10

5

1081250000

1081250000

Weidmuller

CONN BASE SIDE ENTRY SZ3 M20

0

1081530000

1081530000

Weidmuller

CONN BASE BOTTOM ENTRY SZ6 IP68

2

1003110000

1003110000

Weidmuller

CONN BASE SIDE ENTRY SZHQ PG16

0

1787500000

1787500000

Weidmuller

CONN HOOD TOP ENTRY SZ3 M25

10108

1219500000

1219500000

Weidmuller

CONN BASE BOTTOM ENTRY SZ10

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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