Power Entry Connectors - Inlets, Outlets, Modules

Part Number	Description / PDF	Quantity
A42S72A Altech Corporation	INLTM30A3P4W5H600V BLK IP44PANEL	0
S41S30A Altech Corporation	PIN & SLEEVEPLUG 20A 400VAC 3P 4	8
A32S51A Altech Corporation	INLTM30A2P3W7H480V REDIP44ANGPAN	0
K42S55A Altech Corporation	PIN&SLEEVE CONNEC 30A 480VAC 3P	0
F51S500 Altech Corporation	RECEPT16A5P6W7H500V BLK IP54	0
F52S73A Altech Corporation	RECPF30A4P5W5H347600V BLKIP4415D	0
G51S30A Altech Corporation	INLTM20A4P5W6H400V REDIP4415DEGW	0
S43.21A Altech Corporation	PIN & SLEEVEPLUG 60A 250VAC 3P 4	0
K42S35A Altech Corporation	PIN&SLEEVE CONNEC 30A 400VAC 3P	9
G32.20 Altech Corporation	INLTM32A2P3W9H120-250V BLUEIP442	0
A32S26 Altech Corporation	INLTM30A2P3W6H250V BLUEIP67ANGPA	9
A52S22A Altech Corporation	INLTM30A4P5W9H120208V BLUE IP44P	0
F41S00A Altech Corporation	RECPF20A3P4W3H380440V RED IP44PA	0
F42S03A Altech Corporation	RECPF30A3P4W3H380440V RED IP4415	0
F51S20A Altech Corporation	RECPF20A4P5W9H120208V BLUE IP44P	7
S51S55A Altech Corporation	PIN & SLEEVEPLUG20A277480V 4P 5W	0
F32S28A Altech Corporation	RECPF30A2P3W6H250V BLUEIP6715DEG	0
D42S31A Altech Corporation	RECPF30A3P4W6H400V REDIP44SMALLW	0
S41S75A Altech Corporation	PIN & SLEEVEPLUG 20A 600VAC 3P 4	0
K52S75A Altech Corporation	PIN&SLEEVE CONNEC30A347600V 4P 5	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