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Power Entry Connectors - Inlets, Outlets, Modules

Image Part Number Description / PDF Quantity Rfq
1301470110

1301470110

Woodhead - Molex

L16-30R WT MOTOR BASE CONN

0
1301410040

1301410040

Woodhead - Molex

PWR ENT RCPT NEMA5-15 STR SCREW

0
1301470072

1301470072

Woodhead - Molex

PWR ENT PLUG NEMAL5-30 STR SCRW

2
1301500149

1301500149

Woodhead - Molex

P&S 3P4W 20A/3PH 250V REC.SPLF

0
1301500059

1301500059

Woodhead - Molex

PWR ENT RCPT PIN & SLEEVE PNL

0
1301460120

1301460120

Woodhead - Molex

FD WATERTITE DOUBLE COVERPLATE N

0
1301440050

1301440050

Woodhead - Molex

5-15 CONN HI-IMPACT YEL

0
1301460041

1301460041

Woodhead - Molex

6-20P WATERTITE PLUG BLACK

0
1301440025

1301440025

Woodhead - Molex

L5-15 CONN HI-IMPACT

0
1301450051

1301450051

Woodhead - Molex

HI-AMP TURNEX L7-30 PLUG 2P3W

0
1301480102

1301480102

Woodhead - Molex

20A 125V(5-20R)IVORY RECP DUPLEX

0
1301470010

1301470010

Woodhead - Molex

27W83 W/00-4980 & 00-4987 WATERT

0
1301550109

1301550109

Woodhead - Molex

WEATHERPROOF COVER - B SIZE FORB

0
1301500150

1301500150

Woodhead - Molex

P&S 3P4W 20A/3PH 250V REC.SPLF

0
1301460115

1301460115

Woodhead - Molex

5-20P MOTOR BASE COVER PLATE

0
1301500204

1301500204

Woodhead - Molex

PWR ENT PLUG PIN & SLEEVE STR

0
1301550040

1301550040

Woodhead - Molex

PLUG 50A 2P3W 250DC/600AC REPLAC

0
1301460007

1301460007

Woodhead - Molex

PWR ENT RCPT NEMA6-20 STR SCREW

0
1301460005

1301460005

Woodhead - Molex

14W47 W/00-4945 GROMMET NO PE

0
1301450063

1301450063

Woodhead - Molex

HI-AMP TURNEX L22-30 PLUG 4P5W

0

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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