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Power Entry Connectors - Inlets, Outlets, Modules

Image Part Number Description / PDF Quantity Rfq
1301470035

1301470035

Woodhead - Molex

PWR ENT RCPT NON-NEMA STR SCREW

2
1301460156

1301460156

Woodhead - Molex

FS COVERPLATE L2-20R

2
1301410024

1301410024

Woodhead - Molex

SUPER-SAFEWAY CONN NON-NEMA 15A/

6
1301410015

1301410015

Woodhead - Molex

PWR ENT PLUG NEMA5-15 STR SCREW

32
1301410031

1301410031

Woodhead - Molex

PWR ENT RCPT NEMA5-15 STR SCREW

8
1301480084

1301480084

Woodhead - Molex

SAFEWAY DUPLEX CORROSION-RESIST

3
1301470081

1301470081

Woodhead - Molex

PWR ENT PLUG NEMAL16-30 STR SCRW

3
1301490094

1301490094

Woodhead - Molex

PWR ENT RCPT NEMA5-15 PNL SCREW

1
1301420026

1301420026

Woodhead - Molex

PWR ENT RCPT NEMAL16-20 STR SCRW

1
1301490009

1301490009

Woodhead - Molex

PWR ENT RCPT NEMA6-15 PNL SCREW

6
1301490054

1301490054

Woodhead - Molex

PWR ENT RCPT NEMAL17-30 PNL SCRW

1
1301490044

1301490044

Woodhead - Molex

FLANGED OUTLET NEMA L16-20

2
1301440087

1301440087

Woodhead - Molex

PWR ENT PLUG NEMA5-15 STR SCREW

0
1301410070

1301410070

Woodhead - Molex

PWR ENT PLUG NEMA5-15 STR SCREW

8
1301470083

1301470083

Woodhead - Molex

PWR ENT PLUG NEMAL17-30 STR SCRW

2
1301470111

1301470111

Woodhead - Molex

PWR ENT RCPT NEMAL17-30 STR SCRW

2
1301440014

1301440014

Woodhead - Molex

PWR ENT PLUG NEMA5-15 STR SCREW

0
1301470144

1301470144

Woodhead - Molex

PWR ENT RCPT NEMAL6-20 WALL SCRW

2
1301420010

1301420010

Woodhead - Molex

PWR ENT PLUG NEMAL15-20 STR SCRW

12
1301490001

1301490001

Woodhead - Molex

PWR ENT RCPT NON-NEMA PNL SCREW

22

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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