Power Entry Connectors - Inlets, Outlets, Modules

Image	Part Number	Description / PDF	Quantity	Rfq
	1301470106 Woodhead - Molex	L15-30R WATERTITE CONNECTOR BLAC	0
	1301440026 Woodhead - Molex	L5-15 CONN HI-IMPACT YELLOW	0
	1301500287 Woodhead - Molex	EXPOSITION Y560R W/FLIP COVER	0
	1301500062 Woodhead - Molex	PWR ENT RCPT PIN & SLEEVE STR	0
	1301470180 Woodhead - Molex	FS/FD COVER 3P4W NON-NEMA 50A 50	0
	1301460141 Woodhead - Molex	L7-15P MOTOR BASE COVER PLATE	0
	1301500243 Woodhead - Molex	P&S 4P5W 20A/3PY277/480 RECEPT	0
	1301480097 Woodhead - Molex	PWR ENT RCPT NEMA5-20 BOX SCREW	0
	1301460050 Woodhead - Molex	PWR ENT RCPT NON-NEMA STR SCREW	0
	1301460096 Woodhead - Molex	PWR ENT RCPT NEMAL7-15 STR SCRW	0
	1301500071 Woodhead - Molex	PWR ENT PLUG PIN & SLEEVE STR	0
	1301420036 Woodhead - Molex	PWR ENT PLUG NEMAL14-30 STR SCRW	0
	1301490017 Woodhead - Molex	FLANGED MALE MTR BASE L6-15	0
	1301500229 Woodhead - Molex	PWR ENT RCPT PIN & SLEEVE STR	0
	1301470128 Woodhead - Molex	PWR ENT RCPT NEMAL6-20 WALL SCRW	0
	1301500256 Woodhead - Molex	P&S 4P5W 30A/3PY277/480 PLUG	0
	1301550103 Woodhead - Molex	WATERTITE PLUG - 50 AMP 2P3W50A/	0
	1301460140 Woodhead - Molex	PWR ENT RCPT NON-NEMA WALL SCREW	0
	1301500134 Woodhead - Molex	PWR ENT MOD RCPT PIN & SLEEVE	0
	1301470099 Woodhead - Molex	L7-30R WATERTITE 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