13.8vdc 5a Power Supply Large Housing | 1205Sm-2

The 1205SM-2 is a professional-grade 13.8VDC regulated power supply designed for access control, intruder alarm, door entry, and general security installations requiring battery-backed operation. Housed within a robust hinged steel enclosure, it provides reliable power delivery alongside integrated battery charging and comprehensive protection features.

Designed to support a backup battery up to 12V 17Ah, the 1205SM-2 ensures continued system operation during mains failures, making it ideal for critical security applications where uninterrupted power is essential.

Key Features

• 13.8VDC regulated output
• 5A power supply capacity
• Hinged steel enclosure
• Supports up to 12V 17Ah battery
• Additional battery charging circuit
• Deep discharge protection
• Short circuit protection
• Current limiting protection
• Onboard tamper protection
• LED status indicators

Technical Specifications

Power Supply Unit

• Product Type:
  • Battery Backed Power Supply
• Output Voltage:
  • 13.8VDC Regulated
• Output Current:
  • 5A
• Battery Charging:
  • Additional 500mA Charging Circuit
• Battery Capacity:
  • Up to 1 x 12V 17Ah Battery
• 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
• Onboard Tamper Protection

Indicators

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

Construction

• Mild Steel Enclosure
• White Powder Coated Finish
• Hinged Lid Design
• Multiple Cable Entry Points
• Rear Cable Entry Available
• Separate Fused Mains Connections

Typical Applications

• Access control systems
• Door entry systems
• Intruder alarm systems
• Security systems
• Electric locking systems
• Commercial premises
• Educational facilities
• General low-voltage installations

Benefits

• Provides battery-backed operation during mains failures
• Supports larger 17Ah standby battery
• Hinged enclosure simplifies servicing and maintenance
• Efficient switch mode technology reduces energy consumption
• Comprehensive protection features for system reliability
• Suitable for a wide range of professional installations

Typical Uses

The 1205SM-2 is commonly used to power:

• Access control controllers
• Magnetic locks
• Electric strikes
• Alarm panels
• Door entry equipment
• Security peripherals
• Building management interfaces