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Power Entry Connectors - Inlets, Outlets, Modules

Image Part Number Description / PDF Quantity Rfq
1301500136

1301500136

Woodhead - Molex

PWR ENT PLUG PIN & SLEEVE STR

0
1301450080

1301450080

Woodhead - Molex

PWR ENT RCPT NEMAL16-30 STR SCRW

0
1301500280

1301500280

Woodhead - Molex

EXPOSITION INLET - 60 AMP

0
1301470075

1301470075

Woodhead - Molex

L6-30P WATERTITE PLUG BLACK

0
1301500140

1301500140

Woodhead - Molex

PWR ENT PLUG PIN & SLEEVE STR

1
1301420046

1301420046

Woodhead - Molex

SUPER-SAFEWAY CONN NEMA L17-30

0
1301460113

1301460113

Woodhead - Molex

PWR ENT RCPT NEMA1-15 WALL SCRW

0
1301500069

1301500069

Woodhead - Molex

PWR ENT PLUG PIN & SLEEVE STR

0
1301500257

1301500257

Woodhead - Molex

P&S 4P5W 30A/3PY120/208 PLUG

0
1301500189

1301500189

Woodhead - Molex

PWR ENT RCPT PIN & SLEEVE STR

0
1301450057

1301450057

Woodhead - Molex

HI-AMP TURNEX L16-30 PLUG 3P4W

0
1301470086

1301470086

Woodhead - Molex

PWR ENT PLUG NEMAL22-30 STR SCRW

0
1301410069

1301410069

Woodhead - Molex

SUPER-SAFEWAY CONN NEMA L7-30 30

0
1301450020

1301450020

Woodhead - Molex

HI-AMP TURNEX L16-20 PLUG 3P4W

0
1301440047

1301440047

Woodhead - Molex

5-15 CONNECTOR HI-IMPACT GREEN

0
1301500173

1301500173

Woodhead - Molex

P&S 3P4W 30A/3P 250 PLUG

0
1301430097

1301430097

Woodhead - Molex

1447 W25FT 16-3-SO 1547

0
1301450058

1301450058

Woodhead - Molex

HI-AMP TURNEX L17-30 PLUG 3P4W

0
1301470007

1301470007

Woodhead - Molex

26W47 W/(1) SLOTTED GROMMET .218

0
1301410043

1301410043

Woodhead - Molex

SUPER-SAFEWAY PLUG NEMA L1-15 15

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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