Heavy Duty Connectors - Housings, Hoods, Bases

Image Part Number Description / PDF Quantity Rfq
1788640000

1788640000

Weidmuller

CONN BASE SIDE ENTRY SZ2 M20

0

1788080000

1788080000

Weidmuller

CONN HOOD CPLNG BOTTOM SZ7 M25

0

1020520000

1020520000

Weidmuller

CONN HOOD TOP DUAL SZ8XXL M40

0

1983900000

1983900000

Weidmuller

HDC CFM 24 7F

0

1983890000

1983890000

Weidmuller

HDC CFM 24 7M

0

1656540000

1656540000

Weidmuller

CONN HOOD SIDE ENTRY SZ6 PG29

7

1000920001

1000920001

Weidmuller

CONN HOOD SIDE ENTRY SZ8XXL M40

0

1902750000

1902750000

Weidmuller

CONN HOOD CPLNG BOTTOM SZ10 PG36

0

1120040000

1120040000

Weidmuller

CONN BASE BOTTOM ENTRY SZ8

0

1827470000

1827470000

Weidmuller

CONN BASE BOTTOM ENTRY SZ8XXL

0

1901700000

1901700000

Weidmuller

CONN BASE BOTTOM ENTRY SZ4

0

1788360000

1788360000

Weidmuller

CONN BASE SIDE ENTRY SZ12 M40

0

1662090000

1662090000

Weidmuller

CONN HOOD TOP ENTRY SZ8 PG29

0

1218900000

1218900000

Weidmuller

CONN BASE SIDE ENTRY SZ10 PG29

0

1655280000

1655280000

Weidmuller

CONN HOOD SIDE ENTRY SZ4 PG21

0

1657500000

1657500000

Weidmuller

CONN HOOD TOP ENTRY SZ6 PG21

0

1654160000

1654160000

Weidmuller

CONN HOOD SIDE ENTRY SZ4 PG29

0

1213000000

1213000000

Weidmuller

CONN HOOD TOP ENTRY SZ8 PG29

0

1663920000

1663920000

Weidmuller

CONN HOOD TOP ENTRY SZ2 PG16

0

1373550000

1373550000

Weidmuller

HDC SAMPLE CASE IP68

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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