ACLAS FC4 (Type C) – Online Fiscal Control Unit & eTIMS Bridge
The ACLAS FC4 (Type C) is a specialized, ultra-compact Online Control Unit (OCU) engineered to integrate existing automated business software and enterprise resource planning systems (such as QuickBooks, Tally, or SAP) directly into Kenya Revenue Authority (KRA) TIMS and eTIMS compliance. Rather than acting as a standalone cash register, the FC4 operates as a secure “fiscal box” that sits in the background, automatically signing and transmitting transaction data to the tax authority server.
Housed in a space-saving anti-adhesive enclosure, it features a 240 x 320 pixel backlit 4-line LCD display for system and network diagnostics. Equipped with a FIPS Level 2 certified secure cryptographic integrated circuit (IC) for bank-level data encryption, it securely archives encrypted records for up to 5 years. It provides always-on connectivity through built-in Wi-Fi, 4G/3G LTE cellular modules, and a hardwired Ethernet port.
Key Technical Specifications
| Feature | Technical Specification |
| Model & Type | ACLAS FC4 Online Control Unit (TIMS Type C Architecture) |
| Application | ERP Integration / ESD (Electronic Signature Device) |
| Display Panel | $240 \times 320$ LCD (4 Lines) with Backlight |
| Security Standard | FIPS Level 2 Certified Secure IC for Fiscal Encryption |
| Data Storage | 5 Years Internal (Secure, Encrypted Fiscal Memory) |
| Interface Ports | $2 \times \text{RS232}$, $1 \times \text{USB}$, $1 \times \text{Ethernet (RJ45)}$, $1 \times \text{SIM Slot}$, $2 \times \text{SD Slots}$ |
| Wireless Connectivity | Built-in Wi-Fi and 4G/3G LTE data transmission |
| System Compatibility | Windows, Linux, and Android-based POS/ERP infrastructure |
| Dimensions | $121 \times 86 \times 30\text{ mm}$ (Ultra-Compact) |
| Warranty Coverage | 1-Year Limited Manufacturer Hardware Warranty |
What is in the Box
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ACLAS FC4 Type C Fiscal Control Unit Unit
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SMPS Power Adapter ($100\text{V}-240\text{V}$ to $5\text{V } 2.0\text{A}$)
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USB and Ethernet Communication Cables
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User Documentation & KRA eTIMS Integration Setup Guide
ACLAS FC4 Type C Pros & Benefits
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Seamless Workflow Preservation: Zero need to replace your current billing or accounting software; the FC4 processes and signs invoices automatically in the background.
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Shared Multi-Terminal Architecture: Can be configured through an Ethernet switch or hub to let multiple independent POS work-stations or PCs share a single fiscal unit.
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Bank-Level Cryptographic Security: Hardware-level FIPS L2 Secure IC protects historical logs against tampering and validates secure handshakes with KRA iTax.
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Compact Footprint: Miniature dimensions fit effortlessly inside server cabinets, next to main POS hubs, or tightly packed administrative counters.
Pricing & Availability in Kenya
The ACLAS FC4 Type C fiscal unit is distributed through specialized software integration partners, authorized KRA-approved device vendors, and IT infrastructure dealers in Nairobi and major commercial centers across Kenya.
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Brand New Configured Unit: Typically ranges between KSh 60,000 and KSh 80,000 ($+ \text{VAT}$) depending on enterprise volume licensing and network registration packages.
ACLAS FC4 Verdict
The ACLAS FC4 Type C provides an advanced, system-to-system eTIMS bridging solution in Kenya for enterprises, supermarkets, and industrial setups looking to automate tax compliance directly through central accounting suites without altering core operational software.





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