Power Entry Connectors - Inlets, Outlets, Modules

Part Number	Description / PDF	Quantity
F31S50A Altech Corporation	RECPF20A2P3W7H480V RED IP44PANEL	2010
F31S18A Altech Corporation	RECPF20A2P3W4H120V YELIP6715DEGP	55
D31S21A Altech Corporation	RECPF20A2P3W6H250V BLUEIP44SMALL	10
S31S75A Altech Corporation	PIN & SLEEVEPLUG 20A 277VAC 2P 3	7
K31S10A Altech Corporation	PIN&SLEEVE CONNEC 20A 120VAC 2P	97
F31S78A Altech Corporation	RECPF20A2P3W5H277V GRY IP6715DEG	55
S31S55A Altech Corporation	PIN & SLEEVEPLUG 20A 480VAC 2P 3	174
F31S15A Altech Corporation	RECPF20A2P3W4H120V YELIP67PANEL	410
DMRGR BLACK BOX Altech Corporation	RCPT DIN RAIL MNT 15A IP54 GRAY	963
A52S32A Altech Corporation	INLTM30A4P5W6H400V RED IP44PANEL	24
F31S10A Altech Corporation	RECPF20A2P3W4H120V YELIP44PANEL	207
F31S58A Altech Corporation	RECPF20A2P3W7H480V RED IP6715DEG	55
K31S75A Altech Corporation	PIN&SLEEVE CONNEC 20A 277VAC 2P	54
S31S10A Altech Corporation	PIN & SLEEVEPLUG 20A 120VAC 2P 3	106
F31S23A Altech Corporation	RECPF20A2P3W6H250V BLUEIP4415DEG	208
S31S70A Altech Corporation	PIN & SLEEVEPLUG 20A 277VAC 2P 3	20
D31S50A Altech Corporation	RECPF20A2P3W7H480V REDIP44LARGEW	0
F51S53A Altech Corporation	RECPF20A4P5W7H277480V REDIP4415D	0
D42S21A Altech Corporation	RECPF30A3P4W9H250V BLUEIP44SMALL	6
K41S60A Altech Corporation	PIN&SLEEVE CONNEC20A120250V 3P 4	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