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Power Entry Connectors - Inlets, Outlets, Modules

Image Part Number Description / PDF Quantity Rfq
1301470115

1301470115

Woodhead - Molex

L17-30R WT MOTOR BASE CONN

0
1301550121

1301550121

Woodhead - Molex

50A MALE RUBBER COVER WITHRINGAN

0
1301500107

1301500107

Woodhead - Molex

PWR ENT RCPT PIN & SLEEVE STR

1
1301470032

1301470032

Woodhead - Molex

PWR ENT PLUG NEMAL21-20 STR SCRW

0
1301470009

1301470009

Woodhead - Molex

26W83 W/00-4980 & 00-4987 WATERT

0
1301440030

1301440030

Woodhead - Molex

15A/125VC LOCK HI-IMPACT YELLO

0
1301500090

1301500090

Woodhead - Molex

PWR ENT PLUG PIN & SLEEVE STR

0
1301450027

1301450027

Woodhead - Molex

HI-AMP TURNEX CONN 20A 120/208

0
1301480074

1301480074

Woodhead - Molex

TURNEX RECEPTACLE NEMA L5-15

0
1301440060

1301440060

Woodhead - Molex

5-20 CONN HI-IMPACT YELLOW

0
1301440021

1301440021

Woodhead - Molex

TURNEX SAFEWAY PLUG L2-20

0
1301500147

1301500147

Woodhead - Molex

P&S 3P4W 20A/3PH 480V REC.SPLF

0
1301490070

1301490070

Woodhead - Molex

TURNEX RECEPTACLE NEMA L7-20

0
1301410077

1301410077

Woodhead - Molex

SALES KIT FOR 13 PC OF 1547R INC

0
1301500219

1301500219

Woodhead - Molex

PWR ENT PLUG PIN & SLEEVE STR

0
1301480096

1301480096

Woodhead - Molex

20A-125V IVORY GFI RCPT W/FCPL

0
1301500051

1301500051

Woodhead - Molex

P&S 3W 20A/277V PLUG SPLPF

0
1301480121

1301480121

Woodhead - Molex

20A 125V IVORY HOSP RECPT DUPLEX

0
1301500160

1301500160

Woodhead - Molex

PWR ENT RCPT PIN & SLEEVE STR

0
1301480091

1301480091

Woodhead - Molex

DUP RECEPT 5-20R BLUE

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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