Monitoring Units – Narrow Line

Special features:

• Narrow form factor – just 6.2 mm wide
• Up to 50 SPDs can be monitored with a pair of NMUs
• SPD failures are monitored by the receiving unit
• Each SPD has its own LED indicator for quick identification of any defect
• Used in systems ranging from 6 - 36 V DC
• Equipped with quick-connect terminals

When placed on either end of a Narrow Line stack, the Monitoring Transmitter Unit (NMU-TX) & Receiver Unit (NMU-RX) will check the status of up to 50 surge protective devices in a row. The monitoring devices have built-in LED indicators. To monitor the status of each SPD, the Transmitter Unit emits a directional light beam that travels through the individual products to the Receiver Unit.

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