Heavy Duty Connectors - Housings, Hoods, Bases

Image Part Number Description / PDF Quantity Rfq
19340060521

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CONN HOOD SIDE ENTRY SZ16B M25

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09300060543

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CONN HOOD SIDE ENTRY SZ6B PG29

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BULKHEAD MOUNT HOUSING ANGLED

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CONN HOOD TOP ENTRY SZ16B PG21

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CONN BASE BOTTOM ENTRY SZ24B

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CONN HOOD SIDE ENTRY SZ10A M20

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CONN BASE BOTTOM ENTRY SZ10B

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19200030420

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CONN HOOD TOP ENTRY SZ3A M20

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09140010320

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CONN BASE BOTTOM ENTRY

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19440031150

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3A INOX (STAINLESS STEEL) HOUSIN

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19390160427

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16B HP SCREW DOWN HOOD TOP ENTRY

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19400101271

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CONN BASE SIDE ENTRY SZ10B M25

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CONN BASE SIDE ENTRY SZ16B M40

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19300061290

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CONN BASE SIDE ENTRY SZ6B M20

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09370101421

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CONN HOOD TOP ENTRY SZ10B PG16

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CONN HOOD TOP ENTRY SZ24B M32

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09300240431

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CONN HOOD TOP ENTRY SZ24B PG29

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19300161142

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16B PANEL FEED THROUGH HOUSING,

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19628101271

19628101271

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CONN BASE SIDE ENTRY SZ10B M25

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09300100273

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CONN BASE SIDE ENTRY SZ10B PG29

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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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