Power Entry Connectors - Inlets, Outlets, Modules

Part Number	Description / PDF	Quantity
1301460011 Woodhead - Molex	15W47 W/(1) BLK F2 OVAL GROMME W	0
1301410067 Woodhead - Molex	SUPER-SAFEWAY CONN NEMA L5-30 30	0
1301450041 Woodhead - Molex	HI-AMP TURNEX L21-20 CONN 4P5W	0
1301550092 Woodhead - Molex	FD GFCI DUPLEX WT ASSY 5-15R 15A	2
1301500217 Woodhead - Molex	PWR ENT RCPT PIN & SLEEVE STR	0
1301500025 Woodhead - Molex	60A 3PHY120/208V 4P5W MIWT	0
1301430075 Woodhead - Molex	14W47 W/25' #14/3 & 15W47MB	0
1301460035 Woodhead - Molex	PWR ENT PLUG NEMA5-15 STR SCREW	0
1301430088 Woodhead - Molex	1433 W50FT 12-3-SO 1533	0
1301470146 Woodhead - Molex	FD WEATHER RES. SINGLE CVPLATE N	0
1301470028 Woodhead - Molex	L15-20P WATERTITE PLUG BLACK	0
1301470219 Woodhead - Molex	WTRTT CONN 4P5W L22-30 BLK	0
1301460099 Woodhead - Molex	PWR ENT RCPT NEMAL5-15 STR SCRW	3
1301450048 Woodhead - Molex	PWR ENT PLUG NEMAL5-30 STR SCRW	0
1301470094 Woodhead - Molex	PWR ENT RCPT NEMAL5-30 STR SCRW	0
1301500193 Woodhead - Molex	PWR ENT MOD RCPT PIN & SLEEVE	0
1301460109 Woodhead - Molex	WATERTITE PLUG L2-20P-BLACK	0
1301430019 Woodhead - Molex	50 CORDSET FLA POWER & LT	0
1301470120 Woodhead - Molex	WTRTT CONN 4P5W L23-30	0
1301500303 Woodhead - Molex	30A 4P 5W 277V/480V SAFEWAY MECH	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