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Power Entry Connectors - Inlets, Outlets, Modules

Image Part Number Description / PDF Quantity Rfq
1301460095

1301460095

Woodhead - Molex

PWR ENT RCPT NEMAL7-15 STR SCRW

5
1301470176

1301470176

Woodhead - Molex

FS/FD COVER 3P4W L17-30

2
1301470157

1301470157

Woodhead - Molex

PWR ENT RCPT NEMAL5-30 WALL SCRW

1
1301490007

1301490007

Woodhead - Molex

FLANGED INLET W/1433 INS

9
1301490021

1301490021

Woodhead - Molex

FLANGED OUTLET NEMA L5-15

2
1301470168

1301470168

Woodhead - Molex

PWR ENT RCPT NEMAL5-30 WALL SCRW

2
1301470069

1301470069

Woodhead - Molex

PWR ENT PLUG NON-NEMA STR SCREW

3
1301450032

1301450032

Woodhead - Molex

PWR ENT RCPT NEMAL6-20 STR SCRW

11
1301490038

1301490038

Woodhead - Molex

FLANGED OUTLET NON-NEMA

2
1301420025

1301420025

Woodhead - Molex

PWR ENT RCPT NEMAL15-20 STR SCRW

12
1301460142

1301460142

Woodhead - Molex

PWR ENT RCPT NEMAL5-15 WALL SCRW

8
1301500284

1301500284

Woodhead - Molex

EXPOSITION PLUG - 60 AMP W/FLATC

1
1301470175

1301470175

Woodhead - Molex

PWR ENT RCPT NEMAL16-30 WALL SCR

2
1301410020

1301410020

Woodhead - Molex

PWR ENT PLUG NEMA6-20 STR SCREW

0
1301460052

1301460052

Woodhead - Molex

PWR ENT RCPT NEMA5-20 STR SCREW

2
1301490045

1301490045

Woodhead - Molex

FLANGED OUTLET NEMA L21-20

2
1301490042

1301490042

Woodhead - Molex

FLANGED OUTLET NEMA L14-20

1
1301410065

1301410065

Woodhead - Molex

SUPER-SAFEWAY CONN NEMA L2-20 20

4
1300180366

1300180366

Woodhead - Molex

L1-15R FS COVERPLATE

2
1301490037

1301490037

Woodhead - Molex

FLANGED OUTLET NON-NEMA

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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