Kantech EK-4 KT-4 Expansion Kit with Controller, Transformer and Battery

Designed to simplify growth and strengthen on-site security, the Kantech EK-4 KT-4 Expansion Kit is a ready-to-install access control panel kit that expands your system by four doors. This all-in-one solution includes a KT-4 controller, transformer and backup battery to ensure continuous operation and dependable monitoring even during power disturbances. Built for small to medium enterprises, the EK-4 supports EntraPass Special, Corporate and Global editions so administrators can manage doors, users and alarms from a single interface.

The kit’s support for IP Link and modem connectivity lets IT and security teams integrate the expansion into existing network and surveillance infrastructures for remote monitoring, firmware updates and diagnostics. By delivering a turnkey 4-door increment, the EK-4 reduces installation labor, speeds deployment and lowers long-term maintenance costs—critical benefits for facilities managing multiple sites or phased rollouts. Ideal for commercial buildings, retail, education and healthcare environments, the Kantech EK-4 KT-4 Expansion Kit upgrades your access control capabilities with proven reliability and scalable performance. Contact sales or add to your cart to enhance your security and monitoring infrastructure today.

• Expand access control in a single, pre‑configured 4-door increment to scale operations quickly and reduce installation time
• Includes controller, transformer and backup battery for reliable power and uninterrupted security monitoring
• Seamless integration with EntraPass Special, Corporate and Global editions for centralized management and surveillance
• Network-ready: supports IP Link and modem connectivity for remote monitoring, diagnostics and off-site management
• Reduces total cost of ownership with a compact, easy-to-install kit designed for small to medium businesses