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Power Entry Connectors - Inlets, Outlets, Modules

Image Part Number Description / PDF Quantity Rfq
1301470130

1301470130

Woodhead - Molex

PWR ENT RCPT NON-NEMA WALL SCREW

0
1301500288

1301500288

Woodhead - Molex

PWR ENT RCPT PIN & SLEEVE STR

0
1301480108

1301480108

Woodhead - Molex

20A 250V(6-20R)CR RECPT DUPLEXRE

0
1301450084

1301450084

Woodhead - Molex

HI-AMP TURNEX L21-30 CONN 4P5W

0
1301500274

1301500274

Woodhead - Molex

PWR ENT PLUG PIN & SLEEVE STR

0
1301500095

1301500095

Woodhead - Molex

PWR ENT RCPT PIN & SLEEVE PNL

0
1301450042

1301450042

Woodhead - Molex

HI-AMP TURNEX L21-20 CONN 4P5W

0
1301500278

1301500278

Woodhead - Molex

PWR ENT RCPT PIN & SLEEVE PNL

0
1301550192

1301550192

Woodhead - Molex

MALEIN246IN PLUG W/ 38FT CABLE

0
1301490073

1301490073

Woodhead - Molex

TURNEX RECEPTACLE NEMA L15-20 CO

0
1301480072

1301480072

Woodhead - Molex

4-PUSHBUTTON PENDANT (22MM)

0
1301500127

1301500127

Woodhead - Molex

P&S 3P 4W 20A/3P 480V CONNECT

0
1301430020

1301430020

Woodhead - Molex

MUELLER CLIP FUSE ASSY

0
1301460145

1301460145

Woodhead - Molex

PWR ENT RCPT NON-NEMA WALL SCREW

0
1301550161

1301550161

Woodhead - Molex

PWR ENT PLUG NON-NEMA STR SCREW

1
1301450034

1301450034

Woodhead - Molex

HI-AMP TURNEX L7-20 CONN 2P3W

0
1301500276

1301500276

Woodhead - Molex

PWR ENT RCPT PIN & SLEEVE PNL

0
1301460016

1301460016

Woodhead - Molex

14W07 W/25 16-3SO 15W07

0
1301460151

1301460151

Woodhead - Molex

PWR ENT RCPT NEMAL5-15 WALL SCRW

0
1301460008

1301460008

Woodhead - Molex

15W07 W/00-5263 GROMMET BULKPACK

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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