27.6vdc 5a Power Supply (New Gen Board) | 2405Sm-3

The 2405SM-3 is a high-performance 27.6VDC regulated power supply designed for fire systems, access control, door entry, and other 24V applications requiring reliable battery-backed operation. Housed within a large steel enclosure with multi-status indication, it delivers dependable power while incorporating advanced protection features and energy-efficient switch mode technology.

Designed for demanding installations, the 2405SM-3 provides stable regulated output, integrated battery charging, and comprehensive system protection, making it ideal for critical life-safety and security applications.

Key Features

• 27.6VDC regulated output
• High-capacity power supply
• Additional battery charging circuit
• Deep discharge protection
• Current limiting protection
• Short circuit protection
• High-efficiency switch mode technology
• Multi-status indicators
• Up to 92% energy efficiency
• Suitable for battery-backed systems

Technical Specifications

Power Supply Unit

• Product Type:
  • Battery Backed Power Supply
• Output Voltage:
  • 27.6VDC Regulated
• Input Supply:
  • 230VAC Fused Input
• Battery Charging:
  • Integrated Battery Charging Circuit
• Energy Efficiency:
  • Up to 92%
• Compliance:
  • EMC EN61000-6-1
  • EMC EN61000-6-3

Protection Features

• Deep Discharge Protection
• Current Limiting
• Short Circuit Protection
• Mains Transient Protection
• Full Electronic Protection

Indicators

• Multi-Status LED Indicators
• Mains Status Indication
• Battery Status Indication
• Output Status Indication

Typical Applications

• Fire alarm systems
• Access control systems
• Door entry systems
• Emergency door release systems
• Security systems
• Building management systems
• 24V locking systems
• Commercial and industrial installations

Benefits

• Provides reliable battery-backed operation
• High-efficiency design reduces running costs
• Suitable for critical life-safety systems
• Comprehensive protection features
• Stable regulated output for sensitive equipment
• Ideal for larger 24V installations

Typical Uses

The 2405SM-3 is commonly used to power:

• Access control controllers
• Fire alarm interfaces
• Magnetic locks
• Emergency release systems
• Security equipment
• Building management devices
• Monitoring equipment

Why Choose the 2405SM-3?

The 2405SM-3 combines reliable 24V power delivery with advanced protection and energy-efficient operation. Designed for demanding fire and security installations, it offers dependable battery-backed performance and long-term reliability in critical applications.