Heavy Duty Connectors - Housings, Hoods, Bases

Image Part Number Description / PDF Quantity Rfq
1788850000

1788850000

Weidmuller

CONN HOOD SIDE ENTRY SZ2 M25

27

1788570000

1788570000

Weidmuller

CONN BASE SIDE ENTRY SZ9 M32

7

1652440000

1652440000

Weidmuller

CONN BASE SIDE ENTRY SZ1 PG11

0

1787970000

1787970000

Weidmuller

CONN HOOD SIDE ENTRY SZ7 M32

0

1787670000

1787670000

Weidmuller

CONN BASE SIDE ENTRY SZ4 M25

0

1787250000

1787250000

Weidmuller

CONN HOOD SIDE ENTRY SZ4 M32

0

1661880000

1661880000

Weidmuller

CONN HOOD SIDE ENTRY SZ8 PG29

0

1787980000

1787980000

Weidmuller

CONN HOOD SIDE ENTRY SZ7 M25

0

1664420000

1664420000

Weidmuller

CONN BASE SIDE ENTRY SZ2 PG16

0

1787880000

1787880000

Weidmuller

CONN BASE SIDE ENTRY SZ8 M25

0

1662280000

1662280000

Weidmuller

CONN BASE SIDE ENTRY SZ8 PG29

0

1787520000

1787520000

Weidmuller

CONN BASE SIDE ENTRY SZ3 M25

0

1788370000

1788370000

Weidmuller

CONN BASE SIDE ENTRY SZ12 M32

0

1652990000

1652990000

Weidmuller

CONN BASE SIDE ENTRY SZ3 PG16

133

1787110000

1787110000

Weidmuller

CONN BASE SIDE ENTRY SZ6 M32

28

1804610000

1804610000

Weidmuller

HDC 64D TSLU 1M40G

0

1903220000

1903220000

Weidmuller

HDC 24D SBU 1M32G

0

1787240000

1787240000

Weidmuller

CONN HOOD SIDE ENTRY SZ4 M25

0

1767350000

1767350000

Weidmuller

HDC-CM-OS

0

1983870000

1983870000

Weidmuller

HDC CFM 16 5M

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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