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Power Entry Connectors - Inlets, Outlets, Modules

Image Part Number Description / PDF Quantity Rfq
1301550039

1301550039

Woodhead - Molex

CONNECTOR 50A 2P3W 250DC/600AC R

0
1301470127

1301470127

Woodhead - Molex

PWR ENT RCPT NEMAL5-20 WALL SCRW

0
1301420002

1301420002

Woodhead - Molex

PWR ENT PLUG NON-NEMA STR SCREW

0
1301470022

1301470022

Woodhead - Molex

L6-20P WATERTITE PLUG BLACK

0
1301500192

1301500192

Woodhead - Molex

PWR ENT RCPT PIN & SLEEVE STR

0
1301470178

1301470178

Woodhead - Molex

PWR ENT RCPT NEMAL22-30 WALL SCR

2
1301500137

1301500137

Woodhead - Molex

P&S 3P4W 20A/3P 600 PLUG

0
1301460088

1301460088

Woodhead - Molex

PWR ENT PLUG NEMAL6-15 STR SCRW

2
1301470109

1301470109

Woodhead - Molex

PWR ENT RCPT NEMAL16-30 STR SCRW

0
1301480090

1301480090

Woodhead - Molex

DUP RECEPT 5-20R BROWN

0
1301550043

1301550043

Woodhead - Molex

PWR ENT RCPT NON-NEMA PNL SCREW

0
1301500023

1301500023

Woodhead - Molex

P&S 2P 3W 30A/125V RCPT.-SPLPF

0
1301470140

1301470140

Woodhead - Molex

FS/FD COVER 4P5W 20A 25A 250V

0
1301500249

1301500249

Woodhead - Molex

PWR ENT RCPT PIN & SLEEVE STR

0
1301470166

1301470166

Woodhead - Molex

TURNEX HI-AMP RECEPT

0
1301500133

1301500133

Woodhead - Molex

PWR ENT MOD RCPT PIN & SLEEVE

0
1301420017

1301420017

Woodhead - Molex

PWR ENT RCPT NON-NEMA STR SCREW

0
1301550042

1301550042

Woodhead - Molex

PWR ENT PLUG NON-NEMA STR SCREW

0
1301490068

1301490068

Woodhead - Molex

TURNEX RECEPTACLE NEMA L6-20

0
1301440019

1301440019

Woodhead - Molex

TURNEX SAFEWAY CONN L1-15

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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