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Power Entry Connectors - Inlets, Outlets, Modules

Image Part Number Description / PDF Quantity Rfq
1301500279

1301500279

Woodhead - Molex

PWR ENT RCPT PIN & SLEEVE PNL

0
1301500289

1301500289

Woodhead - Molex

P&S 2P 3W 20A/277V RCPT.-SPLPF

0
1301410008

1301410008

Woodhead - Molex

PWR ENT PLUG NEMA1-15 STR SCREW

0
1301550133

1301550133

Woodhead - Molex

PWR ENT RCPT NON-NEMA STR SCREW

0
1301470184

1301470184

Woodhead - Molex

L23-30R WATERTITE CONNECTOR

0
1301470185

1301470185

Woodhead - Molex

L22-30 PLUG ASSY HI-AMP 5WIRE

0
1301500188

1301500188

Woodhead - Molex

PWR ENT RCPT PIN & SLEEVE STR

0
1301450025

1301450025

Woodhead - Molex

HI-AMP TURNEX CON 20A 125/250V

0
1301500116

1301500116

Woodhead - Molex

P&S 3P4W 100A/125-250V RCPT WT

0
1301500205

1301500205

Woodhead - Molex

PWR ENT PLUG PIN & SLEEVE STR

0
1301470025

1301470025

Woodhead - Molex

PWR ENT PLUG NEMAL14-20 STR SCRW

1
1301480073

1301480073

Woodhead - Molex

5-PUSHBUTTON PENDANT (22MM)

0
1301500063

1301500063

Woodhead - Molex

P&S 2P 3W 30A/250V CONN. SPLPF

0
1301440083

1301440083

Woodhead - Molex

HOSP HI-IMPACT PLUG 5-20 YLW YEL

0
1301550185

1301550185

Woodhead - Molex

MALEIN246IN PLUG

0
1301500055

1301500055

Woodhead - Molex

P&S 2P 3W 20A/480V PLUG WTRTT WA

0
1301500043

1301500043

Woodhead - Molex

20A/120V 2P3W MI WATERTITE

0
1301550050

1301550050

Woodhead - Molex

CVR PLT REPL.33253326 SERIES

0
1301550107

1301550107

Woodhead - Molex

WEATHERPROOF COVER - A SIZE FORA

0
1301470164

1301470164

Woodhead - Molex

L22-30P MOTOR BASE COVER PLATE

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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