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Power Entry Connectors - Inlets, Outlets, Modules

Image Part Number Description / PDF Quantity Rfq
1301410063

1301410063

Woodhead - Molex

PWR ENT PLUG NEMAL6-20 STR SCRW

16
1301440088

1301440088

Woodhead - Molex

PWR ENT PLUG NEMA5-15 STR SCREW

4
1301490033

1301490033

Woodhead - Molex

FLANGED INLET NEMA L23-20

2
1301420021

1301420021

Woodhead - Molex

PWR ENT RCPT NEMAL5-20 STR SCRW

0
1301470150

1301470150

Woodhead - Molex

PWR ENT RCPT NEMAL16-20 WALL SCR

1
1301490047

1301490047

Woodhead - Molex

FLANGED INLET NON-NEMA

2
1301420038

1301420038

Woodhead - Molex

PWR ENT PLUG NEMAL16-30 STR SCRW

6
1301410068

1301410068

Woodhead - Molex

PWR ENT RCPT NEMAL6-30 STR SCRW

3
1301480100

1301480100

Woodhead - Molex

PWR ENT RCPT NEMA5-20 BOX SCREW

0
1301410047

1301410047

Woodhead - Molex

PWR ENT PLUG NEMAL5-15 STR SCRW

5
1301470051

1301470051

Woodhead - Molex

PWR ENT RCPT NEMAL7-20 STR SCRW

3
1301550134

1301550134

Woodhead - Molex

PLUG 50A 3P4W 125/250V

1
1301470021

1301470021

Woodhead - Molex

PWR ENT PLUG NEMAL6-20 STR SCRW

9
1301550137

1301550137

Woodhead - Molex

PWR ENT RCPT NON-NEMA PNL SCREW

13
1301490011

1301490011

Woodhead - Molex

FLANGED RECEPT W/1533 INS

5
1301480119

1301480119

Woodhead - Molex

PWR ENT RCPT NEMA5-20 BOX SCREW

0
1301490016

1301490016

Woodhead - Molex

FLANGED INLET NEMA L5-15

0
1301460040

1301460040

Woodhead - Molex

PWR ENT PLUG NEMA6-20 STR SCREW

3
1301460082

1301460082

Woodhead - Molex

PWR ENT PLUG NEMAL5-15 STR SCRW

7
1301490015

1301490015

Woodhead - Molex

FLANGED INLET NEMA L7-15

5

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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