Paradox K641PLUS-N3Q 32-Character Blue LCD Keypad (English - Digiplex EVO)

The Paradox K641PLUS-N3Q (also known as K641+) is an advanced 32-character blue LCD keypad interface specifically designed for the control, monitoring, and programming of Paradox Digiplex EVO series security and access control panels (EVO192 / EVOHD). Featuring a high-contrast blue backlit display with an English language interface layout ("N3Q" variant), this keypad simplifies system navigation, partition arming/disarming, and site management for high-security commercial and residential installations.

Connected directly to the 4-wire EVO combus line, the K641PLUS provides real-time system status updates, zone custom labeling, access control event logs, and detailed trouble alerts across 2 lines. It includes an onboard addressable zone input for connecting a local detection device directly to the keypad terminal, 1-touch quick action keys, adjustable backlighting and contrast, and built-in anti-tamper protection.

Key System Features & Functionality

• 32-Character Blue LCD Display: Displays plain-text English status messages, custom zone labels, system trouble alerts, and real-time access logs across 2 lines.

• Digiplex EVO Panel Compatibility: Native integration with Digiplex EVO192 and EVOHD control panels for multi-partition alarm and access control setups.

• Onboard Hardwired Zone Input: Features 1 hardwired input terminal on the keypad backboard, allowing a direct sensor connection without running wires back to the panel.

• English Interface (N3Q Variant): Factory-configured with English text menus and intuitive front-panel legend icons.

• 1-Touch Action Keys & Panics: Dedicated buttons for fast one-touch arming, chime zone activation, and immediate panic alarms (Fire, Auxiliary, Panic).

• In-Field Upgradable Firmware: Easily upgrade keypad firmware on-site using a 307USB interface module and Paradox InField software.

Key Technical Specifications