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Power Entry Connectors - Inlets, Outlets, Modules

Image Part Number Description / PDF Quantity Rfq
1301440064

1301440064

Woodhead - Molex

6-20 CONN HI-IMPACT YELLOW SSTHA

0
1301440056

1301440056

Woodhead - Molex

PWR ENT PLUG NEMA5-20 STR SCREW

0
1301500222

1301500222

Woodhead - Molex

P&S 4P5W 100A/3P120-208 REC.WT

0
1301500068

1301500068

Woodhead - Molex

30A/240V 2P3W MI WATERTITE WALTH

0
1301450078

1301450078

Woodhead - Molex

PWR ENT RCPT NEMAL15-30 STR SCRW

0
1301440034

1301440034

Woodhead - Molex

1-15 PLUG HI-IMPACT

0
1301500031

1301500031

Woodhead - Molex

PWR ENT PLUG PIN & SLEEVE STR

0
1301500125

1301500125

Woodhead - Molex

P&S 3P 4W 20A/3P 600V CONNECT

0
1301500245

1301500245

Woodhead - Molex

P&S 4P5W 20A/3PY120/208 RECEPT

0
1301500036

1301500036

Woodhead - Molex

PWR ENT RCPT PIN & SLEEVE STR

0
1301470126

1301470126

Woodhead - Molex

20A/250V MTR BASE COVER PLATE 10

0
1301500261

1301500261

Woodhead - Molex

P&S 4P5W 30A/3PY277/480 RECEPT

0
1301500262

1301500262

Woodhead - Molex

PWR ENT RCPT PIN & SLEEVE PNL

0
1301440093

1301440093

Woodhead - Molex

85547 MODIFIED, KEY AND HUSK REM

0
1301500106

1301500106

Woodhead - Molex

P/S 3P4W 100A/3PH-600V WT CON WA

0
1301960125

1301960125

Woodhead - Molex

QC PIN CONTACT 12AWG UNPLTD

0
1301490086

1301490086

Woodhead - Molex

TURNEX RECEPTACLE NEMA L16-30

0
1301500195

1301500195

Woodhead - Molex

PWR ENT MOD RCPT PIN & SLEEVE

0
1301440065

1301440065

Woodhead - Molex

PWR ENT PLUG NEMA6-15 STR SCREW

0
1301470147

1301470147

Woodhead - Molex

PWR ENT RCPT NEMAL14-20 WALL SCR

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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