Power Entry Connectors - Inlets, Outlets, Modules

Image	Part Number	Description / PDF	Quantity	Rfq
	1301470139 Woodhead - Molex	PWR ENT RCPT NON-NEMA WALL SCREW	0
	1301420044 Woodhead - Molex	PWR ENT RCPT NEMAL15-30 STR SCRW	0
	1301470123 Woodhead - Molex	PWR ENT RCPT NON-NEMA WALL SCREW	0
	1301500297 Woodhead - Molex	P&S 4P5W 100A/3PY120/208 RECEPTA	0
	1301410052 Woodhead - Molex	SUPER-SAFEWAY CONN NEMA L1-15 15	0
	1301440071 Woodhead - Molex	7-15 CONN HI-IMPACT	0
	1301470135 Woodhead - Molex	L22-20P MOTOR BASE COVER PLATE	0
	1301470033 Woodhead - Molex	WTRTT PLUG 4P5W L22-20	0
	1301470134 Woodhead - Molex	L21/20P MOTOR BASE COVER PLATE	0
	1301470177 Woodhead - Molex	PWR ENT RCPT NEMAL21-30 WALL SCR	0
	1301450015 Woodhead - Molex	HI-AMP TURNEX L14-20 PLUG 3P4W	0
	1301500024 Woodhead - Molex	P&S 2P 3W 60A/125V INLET 90ANG	0
	1301500302 Woodhead - Molex	P&S 3P 4W 30A/ P3 600V INLET90	0
	1301470017 Woodhead - Molex	PWR ENT PLUG NON-NEMA STR SCREW	0
	1301500196 Woodhead - Molex	PWR ENT MOD RCPT PIN & SLEEVE	0
	1301500113 Woodhead - Molex	P&S 3P4W 100A/3PH 600V PLUG WT	0
	1301500092 Woodhead - Molex	PWR ENT PLUG PIN & SLEEVE STR	0
	1301460001 Woodhead - Molex	15W47MB W/12' SOOW CABLE	0
	1301470145 Woodhead - Molex	PWR ENT RCPT NEMAL7-20 WALL SCRW	0
	1301460192 Woodhead - Molex	WATERTITE SAFEWAY 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