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Power Entry Connectors - Inlets, Outlets, Modules

Image Part Number Description / PDF Quantity Rfq
1301440035

1301440035

Woodhead - Molex

1-15 CONNECTOR HI-IMPACT

0
1301470160

1301470160

Woodhead - Molex

PWR ENT RCPT NEMAL15-30 WALL SCR

0
1301500117

1301500117

Woodhead - Molex

P&S 3P4W 100A/3PH 600V RCPT WT

0
1301470052

1301470052

Woodhead - Molex

L7-20R WT MOTOR BASE CONN

0
1301550163

1301550163

Woodhead - Molex

PLUG 50A 2P3W 480V CALIFORNIASTY

0
1301460144

1301460144

Woodhead - Molex

FD WATERTITE DOUBLE COVERPLATE N

0
1301500091

1301500091

Woodhead - Molex

P&S 2P 3W 60A/250V PLUG SPLPF

0
1301410004

1301410004

Woodhead - Molex

2534 W/SPEC HUSK

0
1301450069

1301450069

Woodhead - Molex

HI-AMP TURNEX CONN 30A 120/208

0
1301550093

1301550093

Woodhead - Molex

FS/FD COVER 3P4W NON-NEMA 50A 50

0
1301460021

1301460021

Woodhead - Molex

1-15P WATERTITE POLARIZED

0
1301480082

1301480082

Woodhead - Molex

15A-125V IVORY GFI RECEPTACLE WI

0
1301460150

1301460150

Woodhead - Molex

L5-15R FS COVERPLATE BLACK

0
1301470136

1301470136

Woodhead - Molex

L23-20P MOTOR BASE COVER PLATE

0
1301420032

1301420032

Woodhead - Molex

PWR ENT PLUG NON-NEMA STR SCREW

0
1301470058

1301470058

Woodhead - Molex

PWR ENT RCPT NEMAL15-20 STR SCRW

0
1301450006

1301450006

Woodhead - Molex

HI-AMP TURNEX PLUG 20A 120/208

0
1301420009

1301420009

Woodhead - Molex

SUPER-SAFEWAY PLUG NEMA L14-20 2

0
1301470078

1301470078

Woodhead - Molex

L14-30P WATERTITE PLUG BLACK

0
1301550155

1301550155

Woodhead - Molex

PWR ENT PLUG NON-NEMA STR SCREW

2

Power Entry Connectors - Inlets, Outlets, Modules

1. Overview

Power entry connectors are electro-mechanical devices designed to safely establish electrical connections between equipment and power sources. They serve as critical interfaces in AC/DC power systems, ensuring reliable energy transmission while meeting safety and regulatory standards. Their importance spans across industries where stable power delivery and user protection are paramount.

2. Main Types and Functional Classification

TypeFunctional CharacteristicsApplication Examples
IEC Appliance InletsStandardized C13/C19 types, detachable connectionsComputers, servers, medical devices
NEMA ReceptaclesNon-locking/Locking configurations (5-15P/R, L5-30P/R)Industrial machinery, construction equipment
Modular Power Entry ModulesIntegrated filtering, switching, and fused protectionData centers, test equipment
Medical-Grade ConnectorsDouble-insulated, low-leakage current designPatient monitors, MRI machines

3. Structure and Components

Typical construction includes:

  • Thermoplastic housing (UL94 V-0 rated)
  • Copper alloy contact springs (phosphor bronze)
  • Insulation barriers (glass-reinforced epoxy)
  • Termination options: Screw/clamp terminals or PCB mounts
  • Integrated features: EMI filters, circuit breakers, LED indicators

4. Key Technical Specifications

ParameterSignificance
Rated Voltage (50-600V AC/DC)Determines maximum operating potential
Current Rating (1-63A)Defines safe continuous load capacity
Contact Resistance (<5m )Impacts power efficiency and thermal performance
Dielectric Withstanding Voltage (1.5-4kV)Safety isolation capability
Temperature Range (-40 C to +125 C)Environmental operational limits
IP Rating (IP20-IP67)Protection against solids/liquids ingress

5. Application Fields

  • Consumer Electronics: Desktop PCs, printers, home appliances
  • Industrial Automation: PLC cabinets, motor drives, robotics
  • Medical Equipment: Ultrasound machines, ventilators, lab analyzers
  • Data Centers: Server racks, PDU units, UPS systems
  • Renewable Energy: Solar inverters, wind turbine controllers

6. Leading Manufacturers and Products

ManufacturerRepresentative Product
TE ConnectivityPower-Entry Modules with integrated filters
Amphenol CorporationSeries 1300 IEC C13 inlets
Molex IncorporatedMini-Fit Jr. power entry systems
Phoenix ContactTRABTECH power entry solutions

7. Selection Guidelines

Key consideration factors:

  1. Electrical Requirements: Match voltage/current ratings with system needs
  2. Environmental Conditions: Consider temperature, humidity, and vibration
  3. Certification Standards: UL/CSA, IEC 60320, medical 60601-1 compliance
  4. Mechanical Durability: Minimum 10,000 mating cycles for industrial use
  5. Space Constraints: Panel cutout dimensions and PCB footprint
  6. Protection Features: Surge suppression, overcurrent protection integration

8. Industry Trends

Emerging developments include:

  • Miniaturization: 30% size reduction in IEC connectors for portable devices
  • High-Power Density: 600V/100A modules for EV charging infrastructure
  • Smart Connectivity: Integrated power-line communication (PLC) capabilities
  • Eco-friendly Materials: Halogen-free thermoplastics adoption (growing at 15% CAGR)
  • Modular Designs: Hot-swappable power entry systems for 24/7 operations
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