Heavy Duty Connectors - Housings, Hoods, Bases

Image Part Number Description / PDF Quantity Rfq
1667590000

1667590000

Weidmuller

CONN BASE SIDE ENTRY SZ12 PG29

0

1804680000

1804680000

Weidmuller

CONN HOOD TOP ENTRY SZ5 M20

0

1787700000

1787700000

Weidmuller

CONN BASE SIDE ENTRY SZ4 M20

0

1662690000

1662690000

Weidmuller

CONN BASE BOTTOM ENTRY SZ8

0

1213100000

1213100000

Weidmuller

CONN HOOD SIDE ENTRY SZ8 PG21

0

1788630000

1788630000

Weidmuller

HDC 10A SLU 2M25G

0

1202200000

1202200000

Weidmuller

CONN BASE SIDE ENTRY SZ3 PG16

0

1205100000

1205100000

Weidmuller

CONN BASE SIDE ENTRY SZ4 PG16

0

1210200000

1210200000

Weidmuller

CONN BASE SIDE ENTRY SZ6 PG21

0

1786820000

1786820000

Weidmuller

CONN HOOD SIDE ENTRY SZ8 M25

0

1579950000

1579950000

Weidmuller

CONN BASE BOTTOM ENTRY SZ8

0

1654770000

1654770000

Weidmuller

CONN HOOD SIDE ENTRY SZ4 PG16

0

1219600000

1219600000

Weidmuller

CONN BASE SIDE ENTRY SZ10 PG29

0

1788720000

1788720000

Weidmuller

CONN HOOD CPLNG BOTTOM SZ5 M25

0

1657600000

1657600000

Weidmuller

CONN BASE BOTTOM ENTRY SZ6

0

1202600000

1202600000

Weidmuller

CONN BASE SIDE ENTRY SZ3 PG16

0

1218300000

1218300000

Weidmuller

CONN HOOD TOP ENTRY SZ10 PG29

0

1572680000

1572680000

Weidmuller

CONN BASE FOR DB25 BOTTOM ENTRY

0

1664580000

1664580000

Weidmuller

CONN HOOD CPLNG BOTTOM SZ2 PG16

0

1579900000

1579900000

Weidmuller

CONN BASE BOTTOM ENTRY SZ4

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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