24vdc 1a 4 Way Power Supply | A-2401/4Trs

The A-2401/4TRS is a compact and reliable 24VDC regulated power supply designed for fire door retention systems, hold-open magnets, and door closers. Providing a stable 24–26VDC output with four individually distributed outputs, it is ideal for smaller installations where dependable operation and fire alarm integration are essential.

Designed for life-safety applications, the A-2401/4TRS supports both fail-safe and fail-secure configurations, allowing flexibility across a wide range of fire door and access control installations.

Key Features

• 24–26VDC regulated output
• 1A power supply capacity
• 4-way output distribution
• Suitable for hold-open magnets and door closers
• Selectable fail-safe or fail-secure operation
• Dual trigger inputs
• LED status indicators
• Short circuit protection
• Fused outputs
• Back EMF protection

Technical Specifications

Power Supply Unit

• Product Type:
  • 4-Way Fire Door Retention Power Supply
• Output Voltage:
  • 24–26VDC Regulated
• Output Current:
  • 1A
• Outputs:
  • 4 Way Distribution
• Operating Modes:
  • Fail-Safe
  • Fail-Secure
• Trigger Inputs:
  • External Voltage Input
  • Volt-Free Contact Input
• Battery Backup:
  • Not Supported

Protection Features

• Short Circuit Protection
• Back EMF Protection
• Fused Outputs
• Regulated Output Protection

Indicators

• Mains Status LED
• Output Status LED
• Fault Status LED

Typical Applications

• Fire door retention systems
• Hold-open door magnets
• Electromagnetic door retainers
• Door closers
• Fire alarm interfaces
• Healthcare facilities
• Educational buildings
• Commercial premises

Benefits

• Reliable power for fire door retention devices
• Supports both fail-safe and fail-secure operation
• Compatible with fire alarm systems
• Compact solution for smaller installations
• Easy fault monitoring via LED indicators
• Purpose-built for life-safety applications

Typical Uses

The A-2401/4TRS is commonly used to power:

• Fire door hold-open magnets
• Electromagnetic door retainers
• Door closers
• Fire alarm controlled doors
• Life-safety door equipment