27.6vdc 1a Power Supply (Small Housing) | 2401Sm-1

The 2401SM-1 is a professional-grade adjustable 24–28VDC power supply designed for access control, door entry, security, and automation systems requiring reliable battery-backed operation. Housed within a compact white powder-coated steel enclosure, it provides stable regulated output, comprehensive protection features, and support for dual backup batteries.

Designed to accommodate up to two 12V 7Ah or 9Ah batteries, the 2401SM-1 ensures continued system operation during mains power failures, making it ideal for critical access control and security installations.

Key Features

• Adjustable 24–28VDC regulated output
• Battery backup capability
• Supports up to 2 x 12V 7Ah or 9Ah batteries
• Additional battery charging circuit
• Deep discharge protection
• Short circuit protection
• Current limiting protection
• Onboard tamper protection
• LED status indicators
• High-efficiency switch mode technology

Technical Specifications

Power Supply Unit

• Product Type:
  • Battery Backed Power Supply
• Output Voltage:
  • Adjustable 24–28VDC
• Input Supply:
  • 230VAC Fused Input
• Battery Charging:
  • Additional 300mA Charging Circuit
• Battery Capacity:
  • Up to 2 x 12V 7Ah Batteries
  • Up to 2 x 12V 9Ah Batteries
• 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
• Front Tamper Protection

Indicators

• Mains Status LED
• Battery Status LED
• Output Status LED

Construction

• Mild Steel Enclosure
• White Powder Coated Finish
• Multiple Cable Entry Points
• Separate Fused Mains Connections

Typical Applications

• Access control systems
• Door entry systems
• Magnetic lock installations
• Electric strike installations
• Security systems
• Building management systems
• Automation equipment
• General low-voltage installations

Benefits

• Maintains operation during mains failures
• Adjustable voltage output for installation flexibility
• Supports larger battery backup capacity
• Efficient switch mode technology reduces energy consumption
• Comprehensive protection features
• Suitable for professional security installations

Typical Uses

The 2401SM-1 is commonly used to power:

• Magnetic locks
• Electric strikes
• Access control controllers
• Door entry equipment
• Security peripherals
• Automation systems
• Building control equipment