Heavy Duty Connectors - Housings, Hoods, Bases

Image Part Number Description / PDF Quantity Rfq
1604969

1604969

Phoenix Contact

CONN HOOD SIDE ENTRY SZD25 M25

2

1412577

1412577

Phoenix Contact

CONN HOOD TOP ENTRY SZB6 PG16

0

1412584

1412584

Phoenix Contact

CONN HOOD CPLNG BOTTOM SZB10 M20

0

1421277

1421277

Phoenix Contact

CONN BASE SIDE ENTRY SZB10 M25

0

1412791

1412791

Phoenix Contact

CONN HOOD TOP ENTRY SZB24 PG21

0

1460319

1460319

Phoenix Contact

CONN HOOD TOP ENTRY SZB6 M20

33

1412586

1412586

Phoenix Contact

CONN HOOD CPLNG BOTTOM SZB10 M32

20

1419267

1419267

Phoenix Contact

CONN BASE SIDE ENTRY SZD7 M20

0

1412730

1412730

Phoenix Contact

CONN HOOD TOP ENTRY SZB16 M32

0

1412585

1412585

Phoenix Contact

CONN HOOD CPLNG BOTTOM SZB10 M25

0

1412733

1412733

Phoenix Contact

CONN HOOD SIDE ENTRY SZB16 M25

0

1460111

1460111

Phoenix Contact

CONN HOOD SIDE ENTRY SZB16 PG21

1

1412871

1412871

Phoenix Contact

CONN BASE SIDE ENTRY SZB24 PG21

0

1413364

1413364

Phoenix Contact

CONN HOOD TOP ENTRY SZB6 M25

0

1771600

1771600

Phoenix Contact

CONN BASE BOTTOM ENTRY SZB16

62

1412588

1412588

Phoenix Contact

CONN HOOD CPLNG BOTTOM B10 PG21

0

1771927

1771927

Phoenix Contact

CONN BASE BOTTOM ENTRY SZB24

5

1421301

1421301

Phoenix Contact

CONN BASE SIDE ENTRY SZB10 M25

0

1460374

1460374

Phoenix Contact

CONN HOOD SIDE ENTRY SZB24 M32

0

1604269

1604269

Phoenix Contact

CONN HOOD SIDE ENTRY SZB6 M25

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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