Heavy Duty Connectors - Housings, Hoods, Bases

Image Part Number Description / PDF Quantity Rfq
1787030000

1787030000

Weidmuller

CONN HOOD SIDE ENTRY SZ6 M25

0

1787220000

1787220000

Weidmuller

CONN HOOD CPLNG BOTTOM SZ6 M25

0

1164190000

1164190000

Weidmuller

TM-I 12 MC NE OR

0

1652460000

1652460000

Weidmuller

CONN HOOD CPLNG BOTTOM SZ1 PG11

150

1611350000

1611350000

Weidmuller

CONN BASE BOTTOM ENTRY SZ8

0

1658330000

1658330000

Weidmuller

CONN BASE SIDE ENTRY SZ6 PG21

0

1787610000

1787610000

Weidmuller

CONN HOOD TOP ENTRY SZ4 M25

0

1663040000

1663040000

Weidmuller

CONN BASE SIDE ENTRY SZ8 PG29

0

1787630000

1787630000

Weidmuller

CONN BASE SIDE ENTRY SZ4 M25

12

1222590000

1222590000

Weidmuller

RSMB-08RODD-XLXSMBXX

0

1786950000

1786950000

Weidmuller

CONN BASE SIDE ENTRY SZ8 M25

0

1804630000

1804630000

Weidmuller

CONN HOOD TOP ENTRY SZ6 M32

0

1787300000

1787300000

Weidmuller

CONN HOOD TOP ENTRY SZ4 M25

0

1788130000

1788130000

Weidmuller

CONN BASE SIDE ENTRY SZ3 M25

0

1788610000

1788610000

Weidmuller

CONN HOOD TOP ENTRY SZ2 M25

0

1788800000

1788800000

Weidmuller

CONN HOOD CPLNG BOTTOM SZ5 M25

0

1664670000

1664670000

Weidmuller

HDC-HAD-K-15-KVL1/21

0

1786900000

1786900000

Weidmuller

CONN BASE SIDE ENTRY SZ8 M32

0

1657490000

1657490000

Weidmuller

CONN HOOD TOP ENTRY SZ6 PG21

65

1662020000

1662020000

Weidmuller

CONN HOOD TOP ENTRY SZ8 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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