Heavy Duty Connectors - Housings, Hoods, Bases

Image Part Number Description / PDF Quantity Rfq
1604732

1604732

Phoenix Contact

CONN HOOD SIDE ENTRY SZB6 M20

0

1460372

1460372

Phoenix Contact

CONN HOOD SIDE ENTRY SZB16 M40

0

1772434

1772434

Phoenix Contact

CONN HOOD SIDE ENTRY SZD25 PG21

0

1690163

1690163

Phoenix Contact

CONN HOOD SIDE ENTRY SZB10 M32

0

1604796

1604796

Phoenix Contact

CONN HOOD SIDE ENTRY SZB16 M25

0

1678211

1678211

Phoenix Contact

CONN HOOD TOP ENTRY SZB6 PG29

0

1675094

1675094

Phoenix Contact

CONN HOOD SIDE ENTRY SZB32 PG29

6

1771309

1771309

Phoenix Contact

CONN HOOD SIDE ENTRY SZB10 PG16

0

1644986

1644986

Phoenix Contact

CONN HOOD TOP ENTRY SZB10 M32

0

1460139

1460139

Phoenix Contact

CONN HOOD TOP ENTRY SZB16 PG21

9

1771121

1771121

Phoenix Contact

CONN HOOD TOP ENTRY SZB6 PG13.5

0

1773271

1773271

Phoenix Contact

CONN HOOD SIDE ENTRY SZD7 PG11

0

1677584

1677584

Phoenix Contact

CONN BASE SIDE ENTRY SZD25 PG21

0

1690228

1690228

Phoenix Contact

CONN HOOD SIDE ENTRY SZB16 M32

0

1645341

1645341

Phoenix Contact

CONN HOOD SIDE ENTRY SZB16 M32

0

1675269

1675269

Phoenix Contact

CONN BASE SIDE ENTRY SZB6 PG16

0

1678198

1678198

Phoenix Contact

CONN HOOD TOP ENTRY SZB6 PG21

0

1604728

1604728

Phoenix Contact

CONN BASE SIDE ENTRY SZB6 M25

0

1771794

1771794

Phoenix Contact

CONN HOOD TOP ENTRY SZB24 PG29

0

1642386

1642386

Phoenix Contact

CONN HOOD TOP ENTRY SZB10 M32

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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