Heavy Duty Connectors - Housings, Hoods, Bases

Part Number	Description / PDF	Quantity
704440C0 LAPP	CONN BASE HA10 PNL MNT W/DC	14
100800NP LAPP	CONN HOOD HB16 TE NPT3/4 DB	29
100220NP LAPP	CONN HOOD HB6 SE NPT1/2	197
700202 LAPP	CONN HOOD HB6 TE PG21 HIGH	30
105760 LAPP	CONN HOOD HA32 SE PG21	20
101110 LAPP	CONN HOOD HB24 TE PG29 DB	30
100829 LAPP	CONN HOOD HB16 SE PG21	40
10422500 LAPP	CONN BASE HA3/4 PNL MNT	76
101320C0 LAPP	CONN BASE HB32 PNL MNT DL	27
10565200 LAPP	CONN HOOD HA16 TE PG21	38
10102900 LAPP	CONN BASE HB24 PNL MNT	21
101130 LAPP	CONN HOOD HB24 SE PG21	40
100869NP LAPP	CONN CC HOOD HB16 NPT3/4	2
101119NP LAPP	CONN HOOD HB24 TE NPT1	20
100429 LAPP	CONN HOOD HB10 SE PG16	31
100720C0 LAPP	CONN BASE HB16 PNL MNT DLVR	35
10072900 LAPP	CONN BASE HB16 PNL MNT	44
101340 LAPP	CONN HOOD HB32 TE PG29 DB	10
101340NP LAPP	CONN HOOD HB32 TE NPT1 DB	19
101210NP LAPP	CONN HOOD HB24 TE NPT3/4 DB	32

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

Type	Functional Features	Application Examples
Metallic Housings	High mechanical strength, EMI shielding, corrosion resistance	Industrial control cabinets
Polymer Housings	Lightweight, chemical resistance, UV stability	Solar power inverters
Modular Bases	Interchangeable mounting patterns, tool-less assembly	Factory automation systems
Explosion-proof Hoods	Pressure containment, flame path control	Petrochemical 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

Parameter	Importance
IP68/IP69K rating	Protection 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

Manufacturer	Representative Product
TE Connectivity	DEUTSCH DT series metal housings
Amphenol Industrial	SSX explosion-proof connector bodies
Molex	MICRO-CLIK modular base systems
Weidm ller	OMNIMATE 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