Power Entry Connectors - Inlets, Outlets, Modules

Part Number	Description / PDF	Quantity
K41S50A Altech Corporation	PIN&SLEEVE CONNEC 20A 480VAC 3P	2
A42S31A Altech Corporation	INLTM30A3P4W6H400V RED IP44ANGPA	0
A32S76A Altech Corporation	INLTM30A2P3W5H277V GRYIP67ANGPAN	0
D41S70A Altech Corporation	RECPF20A3P4W5H600V BLKIP44LARGEW	0
A41S61A Altech Corporation	INLTM20A3P4W12H120250V ORANGE IP	0
G32S50A Altech Corporation	INLTM30A2P3W7H480V REDIP4415DEGW	0
D52S25A Altech Corporation	RECPF30A4P5W9H120208V BLUEIP6725	0
S51S75A Altech Corporation	PIN & SLEEVEPLUG20A347600V 4P 5W	0
S42S00A Altech Corporation	PIN & SLEEVEPLUG30A380440V 3P 4W	0
D32S21A Altech Corporation	RECPF30A2P3W6H250V BLUEIP44SMALL	5
F51S78A Altech Corporation	RECPF20A4P5W5H347600V BLKIP6715D	0
F41S50A Altech Corporation	RECPF20A3P4W7H480V RED IP44PANEL	2
F31S53A Altech Corporation	RECPF20A2P3W7H480V RED IP4415DEG	20
S51S50A Altech Corporation	PIN & SLEEVEPLUG20A277480V 4P 5W	1
WMRGR BLACK BOX Altech Corporation	RECEPTACLE WALL MOUNT 15A IP54 G	0
A31S51A Altech Corporation	CONN 20A 2P ANGLED 120V RED IP44	0
D41S00A Altech Corporation	RECPF20A3P4W3H380440V REDIP44LAR	0
A41S51A Altech Corporation	INLTM20A3P4W7H480V RED IP44ANGPA	0
F41S20A Altech Corporation	RECPF20A3P4W9H250V BLUE IP44PANE	0
A31S22A Altech Corporation	CONN 20A 2P ANGLED 120V BLU IP44	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