The ABB 1MRK000284-ABr03 is a binary input module designed for industrial protection and control systems, part of ABB’s Relion® relay family. It features 24 binary inputs for monitoring external devices like pushbuttons, switches, and sensors. The inputs are optically isolated to protect against electrical noise and transients.

Key Features

• 24 binary inputs
• Optically isolated inputs
• LED status indication for each input
• Configurable input delay
• Test mode for manual input activation
• DIN rail mounting

Technical Specifications

• Input voltage: 24 VDC to 250 VAC
• Input current: 2 mA maximum
• Input delay: 0 ms to 30 seconds (configurable)
• Output voltage: 24 VDC
• Output current: 5 A maximum
• Operating temperature: -20°C to +55°C
• Storage temperature: -40°C to +70°C
• Humidity: 5% to 95% RH (non-condensing)
• Vibration: 0.5 g RMS (5 Hz to 150 Hz)
• Shock: 5 g (half-sine, 11 ms)
• MTBF: > 10 years

Applications

• Industrial control systems
• Building automation systems
• Power distribution systems
• Machine safety systems

Additional Details:

• Compatible with ABB’s Relion® relay family, including REL511, REL670, and REL300 series relays.
• Programmable using ABB’s Relay Setting Software (RSS) or Relay Operation Wizard (ROW) software.