27.6vdc 1a Power Supply (New Gen Board) | 2401Sm-3

The 2401SM-3 is a compact and reliable 27.6VDC regulated power supply designed for fire systems, access control, door entry, and other 24V applications requiring battery-backed operation. Housed within a large steel enclosure with multi-status indication, it combines efficient switch mode technology with advanced protection features to provide dependable performance in professional installations.

Designed for continuous operation, the 2401SM-3 delivers stable regulated output, integrated battery charging, and comprehensive protection systems, making it ideal for life-safety and security applications.

Key Features

• 27.6VDC regulated output
• 1A power supply capacity
• Battery backup capability
• 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

Technical Specifications

Power Supply Unit

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

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 release systems
• Security systems
• Building management systems
• 24V locking systems
• Small commercial installations

Benefits

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

Typical Uses

The 2401SM-3 is commonly used to power:

• Access control controllers
• Fire alarm interfaces
• Emergency release systems
• Small magnetic lock installations
• Security equipment
• Building management devices
• Monitoring equipment