Heavy Duty Connectors - Housings, Hoods, Bases

Image Part Number Description / PDF Quantity Rfq
100720C0

100720C0

LAPP

CONN BASE HB16 PNL MNT DLVR

35

T1319100125-000

T1319100125-000

TE Connectivity AMP Connectors

H10A-TS-M25

28

19431160447

19431160447

HARTING

HAN-ECO 16B HOOD SINGLE LEVER, T

15

19620250546

19620250546

HARTING

CONN HOOD SIDE ENTRY SZ16A M25

0

C14610N0246021

C14610N0246021

Tuchel / Amphenol

CONN BASE SIDE ENTRY SZE24 M25

0

19300101230

19300101230

HARTING

CONN BASE SIDE ENTRY SZ10B M20

6

0936012555

0936012555

Woodhead - Molex

S.MOUNT.HOUS.1 LEV.+COV.M25

10

C146 10N025 500 2

C146 10N025 500 2

Tuchel / Amphenol

CONN BASE SIDE ENTRY SZA16 M25

0

09300060301

09300060301

HARTING

CONN BASE BOTTOM ENTRY SZ6B

513

09200031252

09200031252

HARTING

CONN BASE SIDE ENTRY SZ3A PG11

61

1788680000

1788680000

Weidmuller

CONN HOOD SIDE ENTRY SZ5 M20

0

19120080502

19120080502

HARTING

CONN HOOD SIDE ENTRY M25

177

1-1102244-2

1-1102244-2

TE Connectivity AMP Connectors

CONN BASE BOTTOM ENTRY SZ3

0

C14621R0328524

C14621R0328524

Tuchel / Amphenol

CONN HOOD CPLNG BOTTOM SZA32 M25

0

09620030102

09620030102

HARTING

CONN HOOD TOP ENTRY SZ3A PG13.5

20

1412580

1412580

Phoenix Contact

CONN HOOD CPLNG BOTTOM SZB10 M32

8

09300060297

09300060297

HARTING

CONN BASE SIDE ENTRY SZ6B PG21

5

19400160414

19400160414

HARTING

CONN HOOD TOP ENTRY SZ16B M40

9

10072900

10072900

LAPP

CONN BASE HB16 PNL MNT

44

1412567

1412567

Phoenix Contact

CONN HOOD TOP ENTRY SZB6 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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