Eversecu 24V 5A 120W Fire Alarm Power Supply - Uninterruptible Backup Function (Battery Not Included) for Fire Damper, Smoke Vent, Indicator,

Eversecu 24V 5A 120W Fire Alarm Power Supply - Uninterruptible Backup Function (Battery Not Included) for Fire Damper, Smoke Vent, Indicator,

🔋 Uninterruptible Backup Function: Seamlessly switches to 24V battery power (battery not included) when AC cuts off, ensuring fire alarm/security devices stay operational. ⚡ 120W High-Power Output: 24VDC (22.8-25.2V) voltage range with 5A rated current (max 9A) to support multiple heavy-duty security peripherals. 🔌 Intelligent Battery Charging: 800mA max charging current & 27.6V max charging voltage, compatible with 2×12V (series) or 2×24V (parallel) batteries.(battery not included) 🛡️ Multi-Layer Protection: Overvoltage (26-28V), short circuit, and overcurrent (6-9A) protection to shield devices from electrical damage. 🌍 Global Compatibility: 90-264VAC input (47-63Hz) works with global power grids, plus RoHS, IEC62368 & EN55022 certifications. 📊 Stable Performance: Low ripple & noise (≤480mVpp), ≥85% efficiency, and MTBF ≥10,000 hours for long-term reliable use. 🔧 Easy Installation: Compact chassis design (9.9×12.8×3.6 inches, 5.1 lbs) with fixed holes, clear LED indicators, and built-in reboot button. 🚨 Fire Alarm Ready: AC-C/B-C signal ports for real-time power status monitoring, perfect for fire alarm controllers and detectors. Eversecu 24V 5A 120W Fire Alarm Chassis Power Supply - Uninterruptible Backup Function (Battery Not Included)

Brand: Eversecu | Reliable Power Solution for Fire Dampers, Smoke Vents, Fireproof Gates & Fire Alarm Indicators

• ✅ 120W High-Power Output: 24VDC (22.8-25.2V) nominal, 5A rated current (max 9A) to drive fire dampers, smoke vents, fireproof gates, and indicators
• ✅ Uninterruptible Backup: Seamlessly switches to 24V battery power (battery not included) when AC cuts off, ensuring critical fire safety devices stay operational
• ✅ Intelligent Battery Charging: 800mA max charging current, 27.6V max charging voltage, compatible with 2×12V (series) or 2×24V (parallel) batteries
• ✅ 3-Layer Comprehensive Protection: Overvoltage (26-28V), short circuit, and overcurrent (6-9A) protection to shield fire safety equipment from electrical damage
• ✅ Global Compatibility & Compliance: 90-264VAC input (47-63Hz), RoHS, IEC62368 & EN55022 certifications – ideal for global fire safety systems

• 🚨 Fire Dampers: Stable power for automatic fire dampers in HVAC systems, preventing smoke/fire spread in commercial/residential buildings
• 💨 Smoke Vents: Reliable power for smoke exhaust vents, ensuring rapid smoke extraction during fire emergencies in malls, factories, and airports
• 🚪 Fireproof Gates: Supports fireproof door operators and access control, maintaining gate integrity to block fire/smoke in critical areas
• 🔍 Fire Alarm Indicators: Powers emergency lights, alarm buzzers, and status indicators, ensuring clear evacuation guidance and alert signals
• 🏥 Public & Industrial Facilities: Perfect for hospitals, schools, warehouses, and high-rise buildings – critical for compliance with fire safety regulations

• 🔋 Backup Battery Support: 24V battery input (2×12V in series or 2×24V in parallel) required for uninterrupted power during outages (battery sold separately)
• 🔋 Smart Charging: 800mA max charging current with 27.6V max charging voltage, BAT_CHG blue LED indicates charging status (on/flashing = charging, off = fully charged)
• 🔋 Low Battery Protection: Auto-cuts output when battery voltage drops below 21V (BAT_LOW red LED alerts), protecting battery and connected fire safety devices
• 🔋 Power Status Detection: AC-C and B-C signal ports connect to fire alarm systems for real-time monitoring of power supply to dampers, vents, and gates

🔌 Input Specifications

• Input Voltage: 90-264VAC (Nominal: 100-240VAC) | Input Frequency: 47-63Hz (Nominal: 50/60Hz)
• Max Input Current: ≤3A (minimum input voltage, full load) | No-Load Power: ≤3W
• Inrush Current: ≤50A (rated voltage, cold start @25℃)
• Efficiency: ≥85% (rated input, full load) – reduces energy consumption for 24/7 fire safety systems

⚡ Output Specifications (Optimized for Fire Safety Devices)

• Output Voltage: 22.8-25.2VDC | Ripple & Noise: ≤480mVpp – stable power for sensitive damper/vent controllers
• Output Current: 5A nominal, 9A maximum | Overcurrent Protection (OCP): 6-9A – supports high-current fireproof gate operators
• Voltage Overshoot: ≤10% of rated voltage (turn-on/turn-off) – prevents damage to indicator circuits
• Hold-Up Time: ≥10ms (100Vac input, full load) – maintains power during brief voltage fluctuations
• Start-Up Time: ≤3s (100Vac input, full load) – rapid activation of fire safety devices in emergencies

🛡️ Protection & Safety (Critical for Fire Systems)

• Overvoltage Protecti