ZKTeco C3-400 RFID Access Controller

ZKTeco C3‑400 RFID Access Controller

Reliable and Scalable Multi‑Door Access Management — Available at Phonex Technologies Kenya

As businesses grow and their security needs evolve, controlling access across multiple doors and entry points becomes increasingly complex. Combining ease of deployment, robust configuration, and enterprise-grade performance, the ZKTeco C3‑400 RFID Access Controller is a proven solution for mid- to large-sized organizations. Now offered at Phonex Technologies Kenya, this controller brings powerful access management to your fingertips with built-in intelligence and flexible networking.ZKTeco C3400 RFID AccessController

Ideal for offices, schools, hotels, retail centres, and multi-site organizations in Kenya, the C3‑400 delivers unmatched control over access permissions, user capacity, and audit trails—without burdening your IT team.

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Why Choose the ZKTeco C3‑400?

Whether you're securing four entry points or expanding to security across campuses, the C3‑400 stands out with advanced features usually found only in premium systems:

• Controls up to four doors simultaneously

• Supports up to 30,000 user cards

• Stores 100,000 event logs onboard

• Works with TCP/IP and RS‑485 networks—ideal for distributed site deployment

• Built-in access control logic—including anti-passback, interlock, dual-card open, and linkage functions

• HTTP-based real-time monitoring from any web browser

• Designed for resilient performance even during network outages

Phonex Technologies Kenya equips your team with not just the device, but full support from installation to ongoing administration.

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Core Features at a Glance

Multi-Door Management

The C3‑400 is built to manage up to four doors using eight card readers: four RS‑485-style readers and four Wiegand-format readers, supporting 26- or 34-bit formats

High Capacity & Memory Buffer

With support for up to 30,000 cards and 100,000 events, the controller can manage high-volume environments while retaining audit logs even during power or network interruptions

Built-In Access Control Logic

Features such as anti-passback, first-card opening, multi-card opening, and duress password entry are all built into the firmware—reducing the need for external access logic tools

Flexible I/O Expansion

With 12 inputs (exit buttons, door sensors, auxiliary triggers) and 8 Form‑C relay outputs (locks and alarms), the controller integrates seamlessly with alarms, gates, cameras, or lighting systems

Network Communications

Supports both TCP/IP and RS‑485, allowing centralized control across multiple devices, with automatic network parameter configuration and OTA firmware updates

Resilient Operation

Even if network connectivity is lost, the C3‑400 continues to operate using local data stored onboard or on a backup SD card, ensuring uninterrupted access control

Easy Integration & SDK Access

A free SDK enables custom integrations with existing HR, ERP, or security systems. The firmware is field-upgradable to support new features over time

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Technical Specifications (Short Point Form)

• Model: ZKTeco C3‑400 (4‑door controller)

• User/Card Capacity: 30,000

• Event Log Buffer: 100,000 transactions

• CPU: 32‑bit MIPS processor

• RAM: 32 MB (or 128 MB in Plus model)

• Flash Memory: 128 MB (or 256 MB in Plus)

• Communication: TCP/IP, RS‑485

• Readers Supported: 8× RS‑485 + 4× Wiegand (26/34‑bit)

• Inputs: 12 (Exit buttons, door status, AUX)

• Outputs: 8 Form‑C relay outputs (lock and auxiliary)

• Power Supply: 9.6 V–14.4 V DC, up to 1 A (12VDC / 1.5 A recommended)

• Operating Temperature: 0 °C to 45 °C

• Humidity: 20–80% non‑condensing

• Dimensions (bundle): approx. 380 × 80 × 280 mm

• Weight: Approx. 3.4 kg bundled, or 0.35 kg board-only

• Case: Powder-coated aluminium (optional metal enclosure for protection)

• Standards: CE, FCC, RoHS

• Access Functions: Anti‑passback, interlock, multi‑card opening, duress entry, global linkage, time zones, holidays

• Software Support: ZKAccess 3.5 / ZKBioSecurity / ZKBio CVAccess

• Monitoring: Web-based interface for real-time status and event logs

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Applications in Kenya

Corporate and Government Facilities

Control multiple entry points in offices and government buildings—track who enters where and when, suppress security breaches, and automate access control rules.

Educational Campuses

Secure libraries, labs, dormitories, and exam halls with centralized control—students and staff get appropriate access while unauthorized entry is denied.

Hotels and Retail Venues

Manage staff access to restricted zones like storerooms and administrative offices. Guest areas remain unimpacted.

Warehouses and Industrial Sites

Keep control rooms, loading docks, and storage zones secure—enable alarms and gate control with auxiliary relay integration.

Multi-Site Installations

Deploy unified access control across multiple branches or buildings using TCP/IP or RS‑485 cabling—ideal for branch banking, retail chains, or campuses.

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Benefits of Buying ZKTeco C3400 RFID AccessController from Phonex

• Stock of genuine ZKTeco controllers with full factory warranty

• Local support for installation, configuration, and training

• Custom integration solutions for your existing HR or security systems

• Pricing packages and discounts for bulk or multi-site deployment

• Fast and reliable delivery throughout Kenya

• On-site commissioning and post-sale technical assistance

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Installation and Maintenance in Kenya

Deployment Approach

Begin with Phonex site assessment to determine optimal controller placement. Pair with ZKTeco card readers (Wiegand or RS‑485 types) and lock hardware. Configure network IP or RS-485 wiring per site.

Initial Setup

Define doors, assign users and cards, set time zones and access levels, configure anti-passback or interlock rules. Backend setup through ZKAccess or ZKBioCVAccess allows real-time configuration and reporting.

Ongoing Support

Phonex offers firmware updates, troubleshooting, and configuration tweaks as your access requirements evolve. Our free SDK enables integration within your current systems—for payroll, visitor management, or unified security dashboards.

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Performance and Reliability

The C3‑400 is built for uninterrupted performance:

• Continuous operation during power or network loss using onboard storage or SD backup.

• Robust hardware and metal casing ensure protection against tampering and environmental hazards.

• OTA firmware updates minimize downtime and extend device lifespan.

• Real-time alerts via the browser interface enable quick incident response.

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Pricing and Delivery Options ZKTeco C3400 RFID AccessController

Phonex Technologies Kenya offers:

• Controller-only packages

• Bundles including metal enclosure, power supply, lock diodes, SD cards

• Optional accessories: expansion I/O boards, backup battery modules, compatible RFID readers

• Competitive Kenyan shilling pricing with VAT indication

• Installation and support included or optional as part of enterprise deals

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Frequently Asked Questions

Q: Can C3‑400 function if my network drops?
Yes. It operates autonomously using stored data and continues logging until connections are restored

Q: Does it require external server software?
It includes a built-in web‑server UI. ZKTeco software like ZKAccess or ZKBioCVAccess can be used for extended enterprise integration.

Q: Can I expand to more doors later?
Yes. You can mix-and-match with 1-door or 2-door modules—scaling up as your access points grow o.in.

Q: Is encryption supported for communication?
The Plus version supports AES encryption and HTTPS/TLS communications for enhanced security
Yes. The C3‑400 Plus supports QR code authentication up to 100,000-enabled dynamic or static codes

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Final Thoughts

The ZKTeco C3‑400 RFID Access Controller strikes the perfect balance between scalability, reliability, and cost-effectiveness. For operations in Kenya that require multi-door access control without complexity, it's a professional-grade solution built for growth and easy management.

Phonex Technologies Kenya makes it accessible with local stock, installation support, integration services, and ongoing reliability. Upgrade your access control infrastructure with this robust, smart controller built to serve the demands of modern institutions.

Order now from Phonex Technologies Kenya to secure your business with intelligent access control and local expert support.

https://www.phone-x.co.ke/product-category/security-and-cctvs/access-control/

https://www.phone-x.co.ke/product-category/security-and-cctvs/access-control/zkteco-access-control/

ZKTeco C3400 RFID AccessController Video Review