Detnov · Contact and Monitoring Modules
Detnov MAD-421-I Addressable Monitoring and Control Module
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Product description
The MAD-421-I is an addressable monitoring and control module with an integrated isolator. It has one monitored technical input and a voltage-free relay output with C, NO and NC contacts.
Key features
- Built-in isolator
- One monitored technical input for equipment status signalling using NC or NO contacts
- Voltage-free relay output with C, NO and NC contacts
- Uses two loop addresses and is powered directly from the loop
- LED status indicators
- DIN rail mounting or flush wall mounting in a BOX-ONE enclosure
- CPR certified to EN54-18 and EN54-17
Technical specifications
| Number of inputs | 1 supervised technical input |
|---|---|
| Number of outputs | 1 voltage-free relay outputs |
| Loop address | 2 |
| Standby current | Less than 300 μA |
| Connection | Removable terminals; conductor cross-section up to 2,5 mm² |
| Installation | Flush mounting on a DIN rail or on a wall inside a BOX-ONE enclosure |
| Colour | Red |
| Dimensions | 100 × 82 × 23 mm |
| Certifications | EN54-18 and EN54-17 CPR |
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