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Power Entry Connectors - Inlets, Outlets, Modules

Image Part Number Description / PDF Quantity Rfq
1301460127

1301460127

Woodhead - Molex

7-15R FS COVERPLATE

0
1301470023

1301470023

Woodhead - Molex

PWR ENT PLUG NEMAL7-20 STR SCRW

0
1301470172

1301470172

Woodhead - Molex

PWR ENT RCPT NON-NEMA WALL SCREW

0
1301500099

1301500099

Woodhead - Molex

PWR ENT RCPT PIN & SLEEVE PNL

0
1301460106

1301460106

Woodhead - Molex

PWR ENT RCPT NEMAL6-15 STR SCRW

0
1301490005

1301490005

Woodhead - Molex

PWR ENT RCPT NEMA1-15 PNL SCREW

0
1301450086

1301450086

Woodhead - Molex

HI-AMP TURNEX L22-30 CONN 4P5W

0
1301550098

1301550098

Woodhead - Molex

PWR ENT PLUG NON-NEMA STR SCREW

0
1301450017

1301450017

Woodhead - Molex

HI-AMP TURNEX L15-20 PLUG 3P4W

0
1301450036

1301450036

Woodhead - Molex

HI-AMP TURNEX L14-20 CONN 3P4W

0
1301420043

1301420043

Woodhead - Molex

PWR ENT RCPT NEMAL14-30 STR SCRW

0
1301500138

1301500138

Woodhead - Molex

PWR ENT PLUG PIN & SLEEVE STR

0
1301470116

1301470116

Woodhead - Molex

PWR ENT RCPT NEMAL21-30 STR SCRW

0
1301460130

1301460130

Woodhead - Molex

5-15R FS COVERPLATE BLACK

0
1301450010

1301450010

Woodhead - Molex

HI-AMP TURNEX L5-20 PLUG 2P3W

0
1301470076

1301470076

Woodhead - Molex

L7-30PWATERTITE PLUG

0
1301500108

1301500108

Woodhead - Molex

PWR ENT RCPT PIN & SLEEVE STR

1
1301460056

1301460056

Woodhead - Molex

5-20R WT MOTOR BASE CONN

0
1301500227

1301500227

Woodhead - Molex

P&S 4P5W 20A/3PY277/480 CONNEC

0
1301500215

1301500215

Woodhead - Molex

P&S 4P5W 100A/3P120-208 INL WT W

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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