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Power Entry Connectors - Inlets, Outlets, Modules

Image Part Number Description / PDF Quantity Rfq
1301550148

1301550148

Woodhead - Molex

PWR ENT RCPT NON-NEMA STR SCREW

2
1301500298

1301500298

Woodhead - Molex

P&S 4P5W 100A/3PY120/208 PLUG

0
1301500156

1301500156

Woodhead - Molex

P&S 3P 4W 30A/3P 600V CONNECT

0
1301430091

1301430091

Woodhead - Molex

1433 W100FT 12-3-SO 1533

0
1301500290

1301500290

Woodhead - Molex

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

0
1301500179

1301500179

Woodhead - Molex

P&S 3P4W 30A/3PH 250V REC.SPLF

0
1301470057

1301470057

Woodhead - Molex

PWR ENT RCPT NEMAL15-20 STR SCRW

0
1301440017

1301440017

Woodhead - Molex

TURNEX SAFEWAY PLUG L1-15

0
1301450014

1301450014

Woodhead - Molex

HI-AMP TURNEX L7-20 PLUG 2P3W

0
1301440074

1301440074

Woodhead - Molex

PROTEX SOCKET-KEYLESS

0
1301450055

1301450055

Woodhead - Molex

HI-AMP TURNEX L15-30 PLUG 3P4W

0
1301470131

1301470131

Woodhead - Molex

L14-20P MOTOR BASE COVER PLATE

0
1301500166

1301500166

Woodhead - Molex

PWR ENT MOD RCPT PIN & SLEEVE

0
1301550162

1301550162

Woodhead - Molex

CONNECTOR 50A 2P3W 480V CALIFORN

0
1301500105

1301500105

Woodhead - Molex

PWR ENT RCPT PIN & SLEEVE STR

0
1301460059

1301460059

Woodhead - Molex

7-15R WATERTITE CONNECTOR

0
1301500037

1301500037

Woodhead - Molex

PWR ENT RCPT PIN & SLEEVE STR

0
1301500110

1301500110

Woodhead - Molex

PWR ENT MOD RCPT PIN & SLEEVE

0
1301460053

1301460053

Woodhead - Molex

PWR ENT RCPT NEMA5-20 STR SCREW

0
1301430083

1301430083

Woodhead - Molex

1404 W25FT 16-2-SO 1504

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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