Heavy Duty Connectors - Housings, Hoods, Bases

Image Part Number Description / PDF Quantity Rfq
1787780000

1787780000

Weidmuller

CONN HOOD SIDE ENTRY SZ8 M25

0

1787410000

1787410000

Weidmuller

CONN BASE SIDE ENTRY SZ4 M32

0

1853310000

1853310000

Weidmuller

CONN HOOD FRONT ENTRY SZ12 M50

0

1787650000

1787650000

Weidmuller

CONN BASE SIDE ENTRY SZ4 M25

0

1788780000

1788780000

Weidmuller

CONN BASE SIDE ENTRY SZ5 M25

0

1787330000

1787330000

Weidmuller

CONN HOOD TOP ENTRY SZ4 M32

22

1786780000

1786780000

Weidmuller

CONN HOOD SIDE ENTRY SZ8 M25

0

1664410000

1664410000

Weidmuller

CONN BASE SIDE ENTRY SZ2 PG16

0

1787720000

1787720000

Weidmuller

CONN HOOD CPLNG BOTTOM SZ4 M20

5

1662610000

1662610000

Weidmuller

CONN HOOD TOP ENTRY SZ8 PG21

0

1000620000

1000620000

Weidmuller

SL-SMT 3.50/06/90RF 1.5SN BK B

0

1902970000

1902970000

Weidmuller

HDC 40D SBU 1M25G

0

1670500000

1670500000

Weidmuller

CONN HOOD TOP ENTRY SZ3 PG13.5

0

1786880000

1786880000

Weidmuller

CONN BASE SIDE ENTRY SZ8 M32

0

1901370000

1901370000

Weidmuller

HDC 10 SBU 1M25G

2

1788170000

1788170000

Weidmuller

CONN BASE SIDE ENTRY SZ3 M20

297

1787040000

1787040000

Weidmuller

CONN HOOD SIDE ENTRY SZ6 M32

0

1654940000

1654940000

Weidmuller

HDC-HBD-K-24-TOVO1/21

0

1903070000

1903070000

Weidmuller

HDC 40D SDLU 1M25G

0

1666590000

1666590000

Weidmuller

CONN BASE SIDE ENTRY SZ7 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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