DUPS20 / DUPS40 Security Emergency Module — 24V DC Uninterruptible Guideway UPS Module Overview The DUPS20 and DUPS40 are uninterruptible DC UPS modules designed for security and emergency applications. Available in two models — DUPS20 (24V, 20A) and DUPS40 (24V, 40A) — these guidewaymounted units provide a reliable 24V DC source to keep critical systems powered during mains interruptions. Key benefits Reliable backup for critical 24V DC systems: maintains continuous 24V DC power to security and emergency equipment when primary power fails. Two capacity options: choose DUPS20 for systems requiring up to 20A or DUPS40 for higher loads up to 40A. Spaceefficient guideway mounting: designed for quick installation on guideways for neat, spacesaving integration into control cabinets. Minimizes operational downtime: keeps surveillance, alarms, and access controls active during outages, improving safety and system availability. Core attributes Models: DUPS20 and DUPS40 (model designation included in product title). Output voltage: 24V DC. Output current: 20A (DUPS20) or 40A (DUPS40). Functionality: uninterruptible DC power module tailored for security and emergency use. Mounting: guidewaycompatible for compact installation in electrical enclosures. Application focus: optimized for systems that require dependable 24V DC backup power. Typical applications CCTV and video surveillance systems: maintain camera power and recorders during mains interruptions to avoid gaps in recorded footage. Access control and door interlock systems: ensure locks, controllers, and readers remain operational in emergency conditions. Emergency lighting and alarm panels: support essential safety circuits and alarm signaling when primary power is lost. Why choose DUPS20 / DUPS40 Correct sizing for varied loads: two clear capacity choices let you match backup capability to actual system demand without overspecifying. Tailored to security/emergency environments: designed with the primary goal of keeping critical 24V DC loads powered and operational. Simple integration: guideway mounting eases installation and keeps equipment organized inside control panels. Compatibility and installation notes Intended for 24V DC systems in security, access control, fire alarm, and related emergency applications. Select the model (DUPS20 or DUPS40) based on peak and continuous current requirements to ensure proper performance. Models and specifications referenced in this description are exactly as stated in the product title: DUPS20 DUPS40 Security Emergency Module 24V20A 40A DC uninterruptible guideway DC UPS Module (DUPS20).