Power Entry Connectors - Inlets, Outlets, Modules

Part Number	Description / PDF	Quantity
1301410036 Woodhead - Molex	SUPER-SAFEWAY CONN NEMA 6-20 20A	0
1301470008 Woodhead - Molex	PWR ENT RCPT NEMAL5-20 STR SCRW	0
1301450053 Woodhead - Molex	HI-AMP TURNEX L14-30 PLUG 3P4W	0
1301460143 Woodhead - Molex	L6-15R FS COVERPLATE	0
1301410060 Woodhead - Molex	SUPER-SAFEWAY CONN NEMA L6-15 15	0
1301450072 Woodhead - Molex	PWR ENT RCPT NEMAL6-30 STR SCRW	0
1301470027 Woodhead - Molex	PWR ENT PLUG NEMAL15-20 STR SCRW	2
1301500300 Woodhead - Molex	P&S 3P 30A 250V/3PHASE 3P 4W ANG	0
1301460100 Woodhead - Molex	PWR ENT RCPT NEMAL5-15 STR SCRW	0
1301490074 Woodhead - Molex	TURNEX RECEPTACLE NEMA L16-20	0
1301440022 Woodhead - Molex	TURNEX SAFEWAY CONN L2-20	0
1301500053 Woodhead - Molex	P&S 2P 3W 20A/250V PLUG WTRTT	0
1301460078 Woodhead - Molex	PWR ENT PLUG NON-NEMA STR SCREW	5
1301470129 Woodhead - Molex	PWR ENT RCPT NEMAL7-20 WALL SCRW	0
1301500209 Woodhead - Molex	PWR ENT RCPT PIN & SLEEVE PNL	0
1301550190 Woodhead - Molex	FEMALE PLUG,SHIPYARD CONNECTOR 3	0
1301550164 Woodhead - Molex	RECEPTACLE 50A 2P3W 480V CALIFOR	0
1301420030 Woodhead - Molex	SUPER-SAFEWAY CONN NEMA L23-20	0
1301500170 Woodhead - Molex	PWR ENT PLUG PIN & SLEEVE STR	0
1301470124 Woodhead - Molex	PWR ENT RCPT NON-NEMA WALL SCREW	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