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Power Entry Connectors - Inlets, Outlets, Modules

Image Part Number Description / PDF Quantity Rfq
1301500301

1301500301

Woodhead - Molex

100A,3PHY120/208V, 4P5W, MI,WT

0
1301420004

1301420004

Woodhead - Molex

PWR ENT PLUG NON-NEMA STR SCREW

0
1301490075

1301490075

Woodhead - Molex

TURNEX RECEPTACLE NEMA L16-20 CO

0
1301410017

1301410017

Woodhead - Molex

PWR ENT PLUG NEMA5-15 STR SCREW

0
1301460114

1301460114

Woodhead - Molex

PWR ENT RCPT NON-NEMA WALL SCREW

0
1301500057

1301500057

Woodhead - Molex

PWR ENT RCPT PIN & SLEEVE PNL

0
1301470036

1301470036

Woodhead - Molex

PWR ENT RCPT NON-NEMA STR SCREW

0
1301470077

1301470077

Woodhead - Molex

PWR ENT PLUG NEMAL14-30 STR SCRW

2
1301450083

1301450083

Woodhead - Molex

PWR ENT RCPT NEMAL17-30 STR SCRW

0
1301420006

1301420006

Woodhead - Molex

PWR ENT PLUG NON-NEMA STR SCREW

0
1301500208

1301500208

Woodhead - Molex

P&S 3P4W 60A/3P 600 RCPT SPLPF

0
1301500123

1301500123

Woodhead - Molex

PWR ENT RCPT PIN & SLEEVE PNL

0
1301460091

1301460091

Woodhead - Molex

PWR ENT RCPT NEMAL1-15 STR SCRW

0
1301470065

1301470065

Woodhead - Molex

PWR ENT RCPT NEMAL22-20 STR SCRW

0
1301550108

1301550108

Woodhead - Molex

FD GFCI DUPLEX WT ASSY L5-15 15A

0
1301460069

1301460069

Woodhead - Molex

6-20R WATERTITE CONNECTORS BLACK

0
1301430014

1301430014

Woodhead - Molex

FLANGED INLET NEMA L1-15P

0
1301550102

1301550102

Woodhead - Molex

WATERTITE CONNECTOR - 50 AMP 2P3

0
1301550154

1301550154

Woodhead - Molex

PWR ENT RCPT NON-NEMA STR SCREW

2
1301470040

1301470040

Woodhead - Molex

TURNEX INS WT MOTOR BASE CONN

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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