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Power Entry Connectors - Inlets, Outlets, Modules

Image Part Number Description / PDF Quantity Rfq
1301550144

1301550144

Woodhead - Molex

PWR ENT RCPT NON-NEMA STR SCREW

0
1301450005

1301450005

Woodhead - Molex

HI-AMP TRNEX PLUG 20A 120/208V

0
1301460028

1301460028

Woodhead - Molex

PWR ENT PLUG NEMA7-15 STR SCREW

4
1301440031

1301440031

Woodhead - Molex

L7-15 PLUG HI-IMPACT

0
1301440011

1301440011

Woodhead - Molex

2447 SPECIAL PACKING SPECIALPRIC

0
1301420041

1301420041

Woodhead - Molex

SUPER-SAFEWAY PLUG NEMA L22-30

0
1301550120

1301550120

Woodhead - Molex

50A FEMALE RUBBER COVER WITHRING

0
1301440057

1301440057

Woodhead - Molex

PWR ENT RCPT NEMA5-20 STR SCREW

0
1301410071

1301410071

Woodhead - Molex

PWR ENT RCPT NEMA5-15 STR SCREW

0
1201490016

1201490016

Woodhead - Molex

NC 3P F/FR PCB M12 MOUNTING

0
1301550189

1301550189

Woodhead - Molex

60A MALE HOUSING ASSY

0
1301480081

1301480081

Woodhead - Molex

15A-125V BROWN GFI RECEPTACLE WI

0
1301500070

1301500070

Woodhead - Molex

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

0
1301500240

1301500240

Woodhead - Molex

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

0
1301440042

1301440042

Woodhead - Molex

PWR ENT PLUG NEMA5-15 STR SCREW

0
1301470155

1301470155

Woodhead - Molex

30A/125V MTR BASE COVER PLATE 25

0
1301420024

1301420024

Woodhead - Molex

PWR ENT RCPT NEMAL14-20 STR SCRW

0
1301500118

1301500118

Woodhead - Molex

P&S 3P 4W 100A/3P 480V RCPT WT

0
1301450079

1301450079

Woodhead - Molex

HI-AMP TURNEX L15-30 CONN 3P4W

0
1301440067

1301440067

Woodhead - Molex

6-15 CONN HI-IMPACT

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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