Power Entry Connectors - Inlets, Outlets, Modules

Part Number	Description / PDF	Quantity
1301470098 Woodhead - Molex	PWR ENT RCPT NEMAL6-30 STR SCRW	0
1301550186 Woodhead - Molex	MALEIN246IN PLUG W/ 75FT CABLE	0
1301500238 Woodhead - Molex	PWR ENT PLUG PIN & SLEEVE STR	0
1301460110 Woodhead - Molex	PWR ENT RCPT NEMAL2-20 STR SCRW	0
1301500171 Woodhead - Molex	P&S 3P4W 30A/3P 480V PLUG SPLF	0
1301420049 Woodhead - Molex	SUPER-SAFEWAY CONN NEMA L23-30	0
1301480095 Woodhead - Molex	20A-125V BROWN GFI RECEPTACLE WI	0
1301470061 Woodhead - Molex	PWR ENT RCPT NEMAL16-20 STR SCRW	0
1301460117 Woodhead - Molex	6-20P MOTOR BASE COVER PLATE	0
1301420039 Woodhead - Molex	SUPER-SAFEWAY PLUG NEMA L17-30	0
1301550143 Woodhead - Molex	FD WEATHER RES. SINGLE CVPLATE N	0
1301440084 Woodhead - Molex	HOSP HI-IMPACT CONN 5-20 B & W	0
1301470121 Woodhead - Molex	L23-30R WT MOTOR BASE CONN	0
1301500221 Woodhead - Molex	P&S 4P5W 100A/3P277/480 REC.WT	0
1301470048 Woodhead - Molex	PWR ENT RCPT NEMAL6-20 STR SCRW	2
1301550147 Woodhead - Molex	PWR ENT RCPT NON-NEMA PNL SCREW	0
1301550063 Woodhead - Molex	60A MALE REPLACEMENT HOUSING	0
1301470016 Woodhead - Molex	TURNEX INS WATERTITE PLUG BLACK	0
1301500097 Woodhead - Molex	P&S 2P 3W 60A/250V RCPT. WTRTT	0
1301470066 Woodhead - Molex	L22-20R WT MOTOR BASE CONN	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