Heavy Duty Connectors - Housings, Hoods, Bases

Image Part Number Description / PDF Quantity Rfq
1787930000

1787930000

Weidmuller

CONN HOOD CPLNG BOTTOM SZ8 M32

0

1579930000

1579930000

Weidmuller

CONN BASE BOTTOM ENTRY SZ4

0

910791

910791

Weidmuller

CONN HOOD HA3 W/CLAMP

0

1787710000

1787710000

Weidmuller

CONN HOOD CPLNG BOTTOM SZ4 M25

0

1827590000

1827590000

Weidmuller

CONN BASE SIDE ENTRY SZ8 M40

0

1851880000

1851880000

Weidmuller

CONN HOOD SIDE/TOP SZ6 M16/25/32

0

1654400000

1654400000

Weidmuller

CONN BASE SIDE ENTRY SZ4 PG16

0

1827140000

1827140000

Weidmuller

CONN HOOD SIDE ENTRY SZ12 M40

0

1787210000

1787210000

Weidmuller

CONN HOOD CPLNG BOTTOM SZ6 M32

0

1654230000

1654230000

Weidmuller

CONN HOOD TOP ENTRY SZ4 PG21

0

1209800000

1209800000

Weidmuller

CONN BASE SIDE ENTRY SZ6 PG21

0

1654120000

1654120000

Weidmuller

CONN HOOD SIDE ENTRY SZ4 PG21

0

1666780000

1666780000

Weidmuller

CONN BASE SIDE ENTRY SZ9 PG29

0

997571

997571

Weidmuller

HDC-HA-32K TSVU/29 W/PG 29NPT

0

1656740000

1656740000

Weidmuller

CONN BASE SIDE ENTRY SZ6 PG21

0

1663840000

1663840000

Weidmuller

CONN HOOD SIDE ENTRY SZ2 PG16

0

913084

913084

Weidmuller

CONN HOOD HD7 POL PG11

0

1662440000

1662440000

Weidmuller

CONN HOOD SIDE ENTRY SZ8 PG29

0

1828440000

1828440000

Weidmuller

CONN BASE SIDE ENTRY SZ1

0

1652550000

1652550000

Weidmuller

CONN HOOD SIDE ENTRY SZ3 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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