Introducing the ACR40U, ACS's latest compact high-speed USB contact smart card reader. It provides seamless support for ISO 7816 Class A, B, and C smart cards, microprocessor cards using T=0 and T=1 protocols, and a wide range of memory cards available in the market. 

The ACR40U features two LED lights, indicating card and reader status. Exciting new additions include firmware upgradability and on-device user data storage, catering to various application scenarios. It also comes with a stand accessory that allows for multiple configurations, including upright and horizontal orientations.

The ACR40U is in compliance with CCID, PC/SC, and Microsoft® WHQL standards, ensuring seamless integration with various operating systems such as Windows®, Linux®, macOS, iOS, iPadOS, and Android™. 

Both USB Type-A and Type-C interfaces are available, providing flexible connectivity options.

PC-Linked USB Single Contact Card Slot
  • USB 2.0 Full Speed Interface
  • USB Type A
  • Plug and Play – CCID support brings utmost mobility
  • Smart Card Reader:
    • Supports ISO 7816 Class A, B, and C (5 V, 3 V, 1.8 V) cards
    • Supports CAC
    • Supports SIPRNET Card
    • Supports MyKad
    • Supports J-LIS Card
    • Supports microprocessor cards with T=0 or T=1 protocol
    • Supports memory cards
    • Supports PPS (Protocol and Parameters Selection)
    • Features Short-Circuit Protection
  • Application Programming Interface:
    • Supports PC/SC
    • Support CT-API
  • Supports all major operating systems
    • Windows®, Linux®, macOS, iOS, iPadOS, Android™, Solaris™
Physical Characteristics
Dimensions (mm) 62.5 mm (L) × 67.6 mm (W) × 58.5 mm (H)  
Weight (g) 40.0 g ± 5.0 g  
USB Interface
Protocol USB CCID
Connector Type Standard Type A, Type C 
Power Source From USB Port 
Speed USB 2.0 Full Speed (12 Mbps) 
Cable Length 1 m, Fixed 
Contact Smart Card Interface
Number of Slots 1 Full-sized Card Slot 
Standard ISO 7816 Parts 1-4, Class A, B, C (5 V, 3 V, 1.8 V) 
Protocol T=0; T=1; Memory Card Support 
Others Mykad, CAC, J-LIS, SIPRNET Card 
Certifications/Compliance EN62368/IEC 62368 CE FCC RoHS REACH EMV™ Level 1 (Contact) UL 62368 J-LIS KC PBOC Level 1(Contact) TAA UKCA UL VCCI WEEE USB 2.0 Full Speed Microsoft® WHQL
Device Driver Operating System Support
Device Driver Operating System Support Windows® Linux® macOS IOS iPadOS Android™ Solaris™  
Drivers for ACR40U (Premium)
USB Interface OS Support
PC/SC Driver Installer  4.77 MB
PC/SC Driver Package  3.17 MB
Version 1.1.10
PC/SC Driver Installer  283.03 KB
Version 1.1.10
Android EVK  1.56 MB
Version 1.1.6
Android™ 3.1 or above

Manuals & Datasheets for ACR40U (Premium)
Reference Manual

Reference Manual of ACR40U Contact Smart Card Reader

Technical Specification

Technical Specification of ACR40U(Premium) Contact Smart Card Reader