Overview:
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.
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