ACR40U Contact Smart Card Reader

Introducing the ACR40U, ACS's latest compact highspeed USB contact smart card reader. It provides seamless support for ISO 7816 Class A, B, and C smart cards, microprocessor cards using T=0and 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. The ACR40U ensures compliance with CCID, PC/SC, and Microsoft® WHQL standards. It offers compatibility with multiple operating systems such as Windows®, Linux®, macOS, iOS, iPadOS, and Android™. 

Furthermore, both USB Type-A and Type-C interface options are available, allowing for seamless connectivity and expanding the reader's versatility and convenience.

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) 55 mm (L) × 65.0 mm (W) × 9.0 mm (H)
Weight (g) 40.0 g ± 5.0 g
USB Interface
Protocol USB CCID
Connector Type USB Type A
USB Type C
Power Source USB Port
Speed USB 2.0 Full Speed (12 Mbps)
Compatible with USB 3.0
Cable Length 1m (Non-Detachable)
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 Smart Cards
Certifications/Compliance
Certifications/Compliance Standards:
  • USB CCID, PC/SC, EMV™ Level 1 (Contact), PBOC Level 1 (Contact), TAA, J-LIS, Microsoft® WHQL
Regulatory/ Environmental:
  • CE, IEC/EN 62368, UKCA, FCC, VCCI, RoHS, REACH, WEEE, UL 62368, KC
Device Driver Operating System Support
Device Driver Operating System Support Windows®, Linux®, macOS, iOS, iPadOS, Android™, Solaris™
Drivers & Utilities for ACR40U (Standard)
USB Interface OS Support
ACS ApduTool (iOS)  118.31 KB
Version 1.2
23-Feb-2024
iOS and iPadOS 16.2 or above
PC/SC Driver Installer  5.83 MB
Version 1.0.6.2
12-Dec-2025
Windows®
* Installer version 1.0.6.2 contains driver version 1.0.6.0
PC/SC Driver Installer  4.30 MB
Version 1.1.13
20-Nov-2025
Linux®
PC/SC Driver Installer  281.65 KB
Version 1.1.13
17-Nov-2025
macOS®
Android EVK  1.46 MB
Version 1.1.8
25-Nov-2025
Android™ 3.1 or above



Manuals & Datasheets for ACR40U (Standard)
Reference Manual

Reference Manual of ACR40U Contact Smart Card Reader

Technical Specification

Technical Specification of ACR40U (Standard) Contact Smart Card Reader