Heavy Duty Connectors - Housings, Hoods, Bases

Image Part Number Description / PDF Quantity Rfq
1664180000

1664180000

Weidmuller

CONN BASE SIDE ENTRY SZ2 PG16

0

1223100000

1223100000

Weidmuller

CONN BASE SIDE ENTRY SZ12 PG29

0

1655630000

1655630000

Weidmuller

CONN BASE SIDE ENTRY SZ4 PG29

0

1783250000

1783250000

Weidmuller

HDC 10A KLU 2PG09G

0

1209300000

1209300000

Weidmuller

CONN BASE SIDE ENTRY SZ6 PG21

0

1827650000

1827650000

Weidmuller

CONN BASE SIDE ENTRY SZ3 M25

0

1661310000

1661310000

Weidmuller

CONN HOOD SIDE ENTRY SZ8 PG29

0

1655370000

1655370000

Weidmuller

CONN HOOD TOP ENTRY SZ4 PG29

0

1787440000

1787440000

Weidmuller

CONN HOOD CPLNG BOTTOM SZ4 M25

0

1827260000

1827260000

Weidmuller

CONN HOOD SIDE ENTRY SZ6 M32

0

1657990000

1657990000

Weidmuller

CONN HOOD TOP ENTRY SZ6 PG21

0

1662400000

1662400000

Weidmuller

CONN HOOD SIDE ENTRY SZ8 PG29

0

1206600000

1206600000

Weidmuller

CONN BASE SIDE ENTRY SZ4 PG16

0

1664900000

1664900000

Weidmuller

CONN HOOD TOP ENTRY SZ5 PG21

0

1664700000

1664700000

Weidmuller

CONN HOOD SIDE ENTRY SZ5 PG16

0

1654140000

1654140000

Weidmuller

CONN HOOD SIDE ENTRY SZ4 PG21

0

1661500000

1661500000

Weidmuller

CONN HOOD TOP ENTRY SZ8 PG29

0

1650940000

1650940000

Weidmuller

CONN HOOD SIDE ENTRY SZ12 PG42

0

1217900000

1217900000

Weidmuller

CONN BASE SIDE ENTRY SZ10 PG29

0

1220000000

1220000000

Weidmuller

CONN BASE SIDE ENTRY SZ10 PG29

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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