Heavy Duty Connectors - Housings, Hoods, Bases

Image Part Number Description / PDF Quantity Rfq
1897840000

1897840000

Weidmuller

HDC CM3 BM6.0 AG LPC

0

1657690000

1657690000

Weidmuller

CONN BASE SIDE ENTRY SZ6 PG21

0

1658570000

1658570000

Weidmuller

CONN HOOD CPLNG BOTTOM SZ6 PG21

0

1655670000

1655670000

Weidmuller

CONN BASE SIDE ENTRY SZ4 PG16

0

1666360000

1666360000

Weidmuller

CONN HOOD TOP ENTRY SZ7 PG21

0

1202400000

1202400000

Weidmuller

CONN HOOD CPLNG BOTTOM SZ3 PG16

0

1652570000

1652570000

Weidmuller

CONN HOOD SIDE ENTRY SZ3 PG29

0

1208700000

1208700000

Weidmuller

CONN BASE SIDE ENTRY SZ6 PG21

0

1654290000

1654290000

Weidmuller

CONN HOOD TOP ENTRY SZ4 PG21

0

1787430000

1787430000

Weidmuller

CONN HOOD CPLNG BOTTOM SZ4 M32

0

1665480000

1665480000

Weidmuller

CONN HOOD CPLNG BOTTOM SZ5 PG16

0

1788060000

1788060000

Weidmuller

CONN BASE SIDE ENTRY SZ7 M25

0

1662270000

1662270000

Weidmuller

CONN BASE SIDE ENTRY SZ8 PG29

0

1652710000

1652710000

Weidmuller

CONN HOOD TOP ENTRY SZ3 PG21

0

1257910000

1257910000

Weidmuller

HDC 32B TSBU LAPP 10136000

0

1217300000

1217300000

Weidmuller

CONN HOOD TOP ENTRY SZ10 PG29

0

1666260000

1666260000

Weidmuller

CONN HOOD SIDE ENTRY SZ7 PG29

0

1967660000

1967660000

Weidmuller

HDC 10A TSLU 1M20G

0

1657870000

1657870000

Weidmuller

CONN HOOD SIDE ENTRY SZ6 PG21

0

1670550000

1670550000

Weidmuller

CONN HOOD SIDE ENTRY SZ3 PG13

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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