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Power Entry Connectors - Inlets, Outlets, Modules

Image Part Number Description / PDF Quantity Rfq
1300190023

1300190023

Woodhead - Molex

DB 4P CAST RECEPTACLE ORANGE

2
1301460103

1301460103

Woodhead - Molex

L5-15R WT MOTOR BASE CONN

3
1301410010

1301410010

Woodhead - Molex

PWR ENT PLUG NEMA5-20 STR SCREW

8
1301470169

1301470169

Woodhead - Molex

PWR ENT RCPT NEMAL6-30 WALL SCRW

2
1301410016

1301410016

Woodhead - Molex

PWR ENT PLUG NEMA5-15 STR SCREW

12
1301470118

1301470118

Woodhead - Molex

PWR ENT RCPT NEMAL22-30 STR SCRW

1
1301440069

1301440069

Woodhead - Molex

PWR ENT PLUG NEMA7-15 STR SCREW

0
1301480076

1301480076

Woodhead - Molex

DUP RECEPT 5-15R BLACK

16
1301470053

1301470053

Woodhead - Molex

PWR ENT RCPT NEMAL14-20 STR SCRW

1
1301470062

1301470062

Woodhead - Molex

PWR ENT RCPT NEMAL21-20 STR SCRW

2
1301470108

1301470108

Woodhead - Molex

PWR ENT RCPT NEMAL16-30 STR SCRW

2
1301460129

1301460129

Woodhead - Molex

PWR ENT RCPT NEMA5-15 WALL SCRW

15
1301470096

1301470096

Woodhead - Molex

PWR ENT RCPT NEMAL6-30 STR SCRW

2
1301490036

1301490036

Woodhead - Molex

PWR ENT RCPT NON-NEMA PNL SCREW

2
1301460032

1301460032

Woodhead - Molex

PWR ENT PLUG NEMA5-15 STR SCREW

2
1301460108

1301460108

Woodhead - Molex

PWR ENT PLUG NEMAL2-20 STR SCRW

4
0734158050

0734158050

Woodhead - Molex

POWER PLUG 48V VARIOUS CABLES

1029
1301420037

1301420037

Woodhead - Molex

PWR ENT PLUG NEMAL15-30 STR SCRW

2
1301440016

1301440016

Woodhead - Molex

PWR ENT PLUG NEMA5-15 R/A SCREW

0
1301490014

1301490014

Woodhead - Molex

FLANGED INLET NON-NEMA

5

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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