Napco PDL3500CRL/26D Proximity / Keypad Mortise Cylinder, Left Hand

Designed for demanding institutional and commercial environments, the Napco Security Technologies PDL3500CRL/26D Proximity / Keypad Mortise Cylinder delivers secure, auditable access control that reduces key-related risks and simplifies day-to-day management. As an Access Control Keypad, it supports up to 300 user codes across multiple privilege levels and records activity in a 40,000-event audit trail with time/date stamps—helpful for security teams, surveillance review, and compliance reporting. The left-hand mortise cylinder is weatherproof from -31° to +151°F and runs on a 5AA battery pack rated for up to 80,000 cycles with low-battery alerts, minimizing maintenance and ensuring reliable operation in exterior or high-usage interior doors. Programming is flexible via fingertip entry or PC tools, and card enrollment can be done without a PC for fast deployments. Ideal for schools, offices, healthcare, and other secure facilities that require monitored, tamper-resistant entry control, the PDL3500CRL/26D integrates into broader security and monitoring strategies. Contact us to specify this Napco keypad mortise for your next access control project or order today to upgrade perimeter and interior door security.

• Streamline facility access with multi-level control for up to 300 user codes, reducing key management and administrative overhead.
• Maintain full accountability with a 40,000-event audit trail and real-time clock for accurate monitoring and incident review.
• Rugged, weatherproof mortise design tolerates -31° to +151°F for reliable performance in harsh environments.
• Long-life 5AA battery pack delivers up to 80,000 cycles with low-battery alert to minimize downtime and maintenance visits.
• Flexible deployment: left-hand mortise supplied and field-reversible for quick retrofits into existing cylindrical locksets.