Power Entry Connectors - Inlets, Outlets, Modules

Image	Part Number	Description / PDF	Quantity	Rfq
	1301550181 Woodhead - Molex	MALE PLUG SHIPYARD CONNECTOR ASS	0
	1301550140 Woodhead - Molex	WATERTITE PLUG - 50 AMP 2P3W50A/	0
	1301500187 Woodhead - Molex	PWR ENT RCPT PIN & SLEEVE STR	0
	1301470167 Woodhead - Molex	TURNEX HI-AMP RECEPT	0
	1301550182 Woodhead - Molex	MALE PLUG SHIPYARD CONNECTOR ASS	0
	1301500088 Woodhead - Molex	P&S 2P 3W 60A/125V PLUG SPLPS	0
	1301460170 Woodhead - Molex	15W47 W/00-4940, NO-CAP & NO PE	0
	1301460023 Woodhead - Molex	5-20P WATERTITE PLUG - BLACK	0
	1301450011 Woodhead - Molex	HI-AMP TURNEX L6-20 PLUG 2P3W	0
	1301450012 Woodhead - Molex	HI-AMP TURNEX L6-20 PLUG 2P3W	0
	1301470049 Woodhead - Molex	L6-20R WATERTITE CONNECTOR BLACK	0
	1301450043 Woodhead - Molex	PWR ENT RCPT NEMAL22-20 STR SCRW	0
	1301440080 Woodhead - Molex	HOSP HI-IMPACT CONN 5-15	0
	1301480080 Woodhead - Molex	DUP RECEPT 5-15R WHITE	0
	1301500169 Woodhead - Molex	P&S 3P4W 30A/3P 600 PLUG	0
	1301450090 Woodhead - Molex	HI-AMP TURNEX L7-20 YELLOW CONNE	0
	1301470002 Woodhead - Molex	28W75 W/ (3) GROMMETS	0
	1301430024 Woodhead - Molex	25W47 3'12/3 & ALLIGATOR CLIPS	0
	1301550122 Woodhead - Molex	CONNECTOR 50A 3P4W 250DC/600AC	0
	1301480083 Woodhead - Molex	PWR ENT RCPT NEMA5-15 BOX SCREW	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

Type	Functional Characteristics	Application Examples
IEC Appliance Inlets	Standardized C13/C19 types, detachable connections	Computers, servers, medical devices
NEMA Receptacles	Non-locking/Locking configurations (5-15P/R, L5-30P/R)	Industrial machinery, construction equipment
Modular Power Entry Modules	Integrated filtering, switching, and fused protection	Data centers, test equipment
Medical-Grade Connectors	Double-insulated, low-leakage current design	Patient 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

Parameter	Significance
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

Manufacturer	Representative Product
TE Connectivity	Power-Entry Modules with integrated filters
Amphenol Corporation	Series 1300 IEC C13 inlets
Molex Incorporated	Mini-Fit Jr. power entry systems
Phoenix Contact	TRABTECH power entry solutions

7. Selection Guidelines

Key consideration factors:

Electrical Requirements: Match voltage/current ratings with system needs
Environmental Conditions: Consider temperature, humidity, and vibration
Certification Standards: UL/CSA, IEC 60320, medical 60601-1 compliance
Mechanical Durability: Minimum 10,000 mating cycles for industrial use
Space Constraints: Panel cutout dimensions and PCB footprint
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