Power Entry Connectors - Inlets, Outlets, Modules

Part Number	Description / PDF	Quantity
720235FX LAPP	CONN P+S 30A 600V 3+GND FEM	4
720226FX LAPP	CONN P+S 30A 250V 2+GND FEM	19
477306 LAPP	CONN P+S 32A 250V 2+GND FEM	5
400237FX LAPP	CONN P+S 30A 480V 3+GND INTER	5
700124 LAPP	CONN P+S 16A 110-130V 2+GND MALE	20
477513FX LAPP	CONN P+S 30A 480 3+GND MALE	10
720224FX LAPP	CONN P+S 30A 125V 1+N+GND FEM	42
700239FX LAPP	CONN P+S 30A 250V 3+GND MALE	15
446322FX LAPP	CONN P+S 60A 250V 3+GND RECEP	5
720137FX LAPP	CONN P+S 20A 480V 3+G F IP44	20
700137FX LAPP	CONN P+S 20A 480V 3+GND MALE	41
473513FX LAPP	CONN P+S 20A 480V 3+G F IP67	10
700139FX LAPP	CONN P+S 20A 250V 3+GND MALE	10
477318FX LAPP	CONN P+S 100A 250V 3+GND MALE	5
477327FX LAPP	CONN P+S 60A 208V 3+N+GND M	5
476317FX LAPP	CONN P+S 60A 250V 3+GND INLET	5
700237FX LAPP	CONN P+S 30A 480V 3+GND MALE	19

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