ABB NAMU-01C Auxiliary Measuring Unit
Optimize your industrial drive systems with the ABB NAMU-01C Auxiliary Measuring Unit. This highly accurate module features robust DDCS fiber optic communication, adjustable voltage ranges up to 690V, and versatile measuring modes for precise voltage and current monitoring.
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ABB NAMU-01C Auxiliary Measuring Unit
The ABB NAMU-01C is a highly reliable industrial auxiliary measuring unit module specifically designed for precise voltage and current measurement in advanced drive systems. This versatile module features DDCS fiber optic communication interfaces operating at 10 MBd and 5 MBd for channels CH1 and CH2, ensuring fast, secure, and interference-free data transmission. It offers extensive configurability through integrated DIP switches, allowing operators to easily set voltage ranges (207V, 500V, and 690V Phase-to-Phase), current ranges based on sensor type and shunt resistance, and measuring modes (Floating, Grounded, Isolated). Equipped with comprehensive terminal blocks for analog inputs (X1-X5) and operating on a standard +24V power supply, the NAMU-01C is an essential component for optimizing drive performance, ensuring accurate feedback, and monitoring system health in demanding industrial environments.
Technical Specifications:
- Brand / Model: ABB / NAMU-01C
- Product Type: Auxiliary Measuring Unit Module
- Communication Interface: DDCS fiber optic (10 MBd and 5 MBd) for CH1 and CH2
- Voltage Ranges (Phase-to-Phase): 690V (±982V peak), 500V (±480V peak), 207V (±211V peak)
- Measuring Modes: Floating, Grounded, Isolated
- Data Rate: 8 Mbit/s (Software Selectable)
- Transmitter Settings: 0 = Disabled, 1 = Short, 2 = Medium, 3 = Long
- Power Supply: +24V DC (0 V Reference)

| Brand | ABB |
|---|---|
| Model | NAMU-01C |
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If you are buying multiple items, please contact us before checking out so we can get you the best combined rate for shipping.
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ENERAL DELIVERY INFORMATION
Orders will be processed and shipping during standard working hours (0830 – 1700 GMT+8) Monday to Friday (excluding Bank Holidays)
On rare occasions, your order may be handled and/or processed on a Saturday. However, we are unable to ship items on weekends, therefore any orders dealt with on the weekend will be send out the next following working day.
The cut-off point for orders to be shipped the same day is 14:00 – please contact us to confirm stock levels before placing your order
Any orders placed after the cut-off will ship the next working day assuming all parts are in stock and ready for dispatch.
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- must be paid for in full before any goods are dispatched
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