Power Entry Connectors - Inlets, Outlets, Modules

Image	Part Number	Description / PDF	Quantity	Rfq
	1301460165 Woodhead - Molex	14W07 W/50 14-3SO 15W07	0
	1301500294 Woodhead - Molex	P&S 3P 4W 60A/3P250 INLET 90D	0
	1301500060 Woodhead - Molex	P&S 2P 3W 30A/125V INLET 90ANG W	0
	1301470151 Woodhead - Molex	WATERTITE RECEPTACLE WITH BLADE	0
	1301550153 Woodhead - Molex	PWR ENT RCPT NON-NEMA PNL SCREW	0
	1301410045 Woodhead - Molex	PWR ENT PLUG NEMAL7-15 STR SCRW	0
	1301410048 Woodhead - Molex	L5-15P SUPER SAFEWAY PLUG/GCM 15	0
	1301550166 Woodhead - Molex	PWR ENT RCPT NON-NEMA STR SCREW	0
	1301500285 Woodhead - Molex	PWR ENT RCPT PIN & SLEEVE PNL	0
	1301470194 Woodhead - Molex	L16-30R FS COVERPLATE, BLACK	0
	1301500139 Woodhead - Molex	P&S 3P4W 20A/3P 480 PLUG	0
	1301500058 Woodhead - Molex	PWR ENT RCPT PIN & SLEEVE PNL	0
	1301500177 Woodhead - Molex	P&S 3P4W 30A/3P 480 RCPT SPLPF	0
	1301470084 Woodhead - Molex	L17-30P WATERTITE PLUG BLACK	0
	1301440039 Woodhead - Molex	5-15 PLUG HI-IMPACT GREEN	0
	1301480106 Woodhead - Molex	DUP RECEPT 6-20R BROWN	0
	1301450071 Woodhead - Molex	HI-AMP TURNEX L5-30 CONN 2P3W	0
	1301470133 Woodhead - Molex	L16-20P MOTOR BASE COVER PLATE	0
	1301500220 Woodhead - Molex	PWR ENT PLUG PIN & SLEEVE STR	0
	1301460101 Woodhead - Molex	L5-15R WATERTITE CONN/GCM CLEARS	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