Power Entry Connectors - Inlets, Outlets, Modules

Image	Part Number	Description / PDF	Quantity	Rfq
	1301500077 Woodhead - Molex	P&S 2P 3W 60A/125V CONN. SPLPF	0
	1301460148 Woodhead - Molex	PWR ENT RCPT NEMAL7-15 WALL SCRW	0
	1301500033 Woodhead - Molex	P&S 2P 3W 100A/250V RCPT WTRTT	0
	1301450045 Woodhead - Molex	HI-AMP TURNEX PLUG 30A 125/250	0
	1301470045 Woodhead - Molex	L5-20R WATERTITE CONN.-BLK	0
	1301460080 Woodhead - Molex	PWR ENT PLUG NEMAL7-15 STR SCRW	0
	1301450059 Woodhead - Molex	HI-AMP TURNEX L17-30 PLUG 3P4W	0
	1301550156 Woodhead - Molex	PWR ENT RCPT NON-NEMA STR SCREW	0
	1301460119 Woodhead - Molex	1-15R FS COVERPLATE	0
	1301550044 Woodhead - Molex	PWR ENT RCPT NON-NEMA PNL SCREW	0
	1301460048 Woodhead - Molex	PWR ENT RCPT NEMA1-15 STR SCREW	0
	1301420033 Woodhead - Molex	SUPER-SAFEWAY PLUG NEMA L5-30 30	0
	1301480104 Woodhead - Molex	20A/125V 5-20R RED RECPT DUPLEXR	0
	1301500085 Woodhead - Molex	60/240V 2P3W MI WATERTITE WALTHE	0
	1301550041 Woodhead - Molex	CONNECTOR 50A 3P4W 250DC/600AC	0
	1301470119 Woodhead - Molex	L22-30R WT MOTOR BASE CONN	0
	1301410056 Woodhead - Molex	PWR ENT RCPT NEMAL5-15 STR SCRW	0
	1301460122 Woodhead - Molex	FD WATERTITE DOUBLE COVERPLATE N	0
	1301460146 Woodhead - Molex	FD WATERTITE DOUBLE COVERPLATE N	0
	1301450081 Woodhead - Molex	PWR ENT RCPT NEMAL16-30 STR SCRW	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