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Power Entry Connectors - Inlets, Outlets, Modules

Image Part Number Description / PDF Quantity Rfq
1301410030

1301410030

Woodhead - Molex

SUPER-SAFEWAY CONN NEMA 7-15 15A

0
1301470074

1301470074

Woodhead - Molex

PWR ENT PLUG NEMAL6-30 STR SCRW

2
1301490072

1301490072

Woodhead - Molex

TURNEX RECEPTACLE NEMA L15-20

0
1301550146

1301550146

Woodhead - Molex

PWR ENT RCPT NON-NEMA PNL SCREW

0
1301410001

1301410001

Woodhead - Molex

2647 W 50' 14-3-SJOW 27W47

0
1301550187

1301550187

Woodhead - Molex

RECEPTACLEIN257IN 60 AMP SHIPYAR

0
1301480122

1301480122

Woodhead - Molex

20A 125V RED HOSP RECPT DUPLEXRE

0
1301470191

1301470191

Woodhead - Molex

29W76 PLG W/(3) GROMMETS RANGE .

0
1301500035

1301500035

Woodhead - Molex

P&S 2P 3W 20A/125V INLET 90ANG

0
1301470003

1301470003

Woodhead - Molex

29W75 W (3) GROMMETS

0
1301450029

1301450029

Woodhead - Molex

HI-AMP TRNEX CONN 5W 20A 250V

0
1301500168

1301500168

Woodhead - Molex

PWR ENT PLUG PIN & SLEEVE STR

0
1301550183

1301550183

Woodhead - Molex

RECEPTACLE 30 AMP SHIPYARDCONNEC

0
1301490088

1301490088

Woodhead - Molex

PWR ENT RCPT NEMA5-15 BOX SCREW

0
1301500250

1301500250

Woodhead - Molex

PWR ENT RCPT PIN & SLEEVE STR

0
1301500185

1301500185

Woodhead - Molex

PWR ENT RCPT PIN & SLEEVE STR

0
1301550167

1301550167

Woodhead - Molex

WATERTITE PLUG - 50 AMP 2P3W50A/

0
1301490087

1301490087

Woodhead - Molex

SNGL RECPT 5-15R 15A BRN

0
1301470112

1301470112

Woodhead - Molex

L17-30R WATERTITE CONNECTOR BLAC

0
1301500089

1301500089

Woodhead - Molex

P&S 2P 3W 60A/125V PLUG WTRTT

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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