Heavy Duty Connectors - Housings, Hoods, Bases

Image Part Number Description / PDF Quantity Rfq
1222300000

1222300000

Weidmuller

CONN HOOD TOP ENTRY SZ12 PG29

0

1652790000

1652790000

Weidmuller

CONN BASE SIDE ENTRY SZ3 PG16

0

1786840000

1786840000

Weidmuller

CONN HOOD TOP ENTRY SZ8 M25

0

1662560000

1662560000

Weidmuller

CONN HOOD TOP ENTRY SZ8 PG21

0

1827670000

1827670000

Weidmuller

CONN BASE SIDE ENTRY SZ1 M20

0

1654970000

1654970000

Weidmuller

CONN BASE BOTTOM ENTRY SZ4

0

1665160000

1665160000

Weidmuller

CONN BASE SIDE ENTRY SZ5 PG21

0

1788600000

1788600000

Weidmuller

CONN HOOD SIDE ENTRY SZ2 M20

0

1655900000

1655900000

Weidmuller

CONN HOOD CPLNG BOTTOM SZ4 PG21

0

1655240000

1655240000

Weidmuller

CONN HOOD SIDE ENTRY SZ4 PG21

0

1654870000

1654870000

Weidmuller

CONN HOOD TOP ENTRY SZ4 PG16

0

1201800000

1201800000

Weidmuller

CONN HOOD TOP ENTRY SZ3 PG13

0

1666240000

1666240000

Weidmuller

CONN HOOD SIDE ENTRY SZ7 PG21

0

1787150000

1787150000

Weidmuller

CONN BASE SIDE ENTRY SZ6 M32

0

1651230000

1651230000

Weidmuller

CONN BASE SIDE ENTRY SZ12 PG29

0

911080

911080

Weidmuller

CONN HOOD TOP ENTRY PG29

0

1652430000

1652430000

Weidmuller

CONN BASE SIDE ENTRY SZ1 PG11

0

1657300000

1657300000

Weidmuller

CONN HOOD CPLNG BOTTOM SZ6 PG21

0

1205400000

1205400000

Weidmuller

CONN HOOD TOP ENTRY SZ4 PG16

0

1212100000

1212100000

Weidmuller

CONN HOOD SIDE ENTRY SZ8 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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