The NT255 (Part Number: 00012170-00) is the power supply module for the Bachmann M1 automation system, converting external 24 VDC into the regulated internal voltages required by the M1 backplane, processors, and I/O modules. It provides a stable, low-noise power source for reliable system operation in industrial environments.
Designed for installation in slot 1 of the M1 backplane, the NT255 includes integrated protection against overvoltage, short circuits, and thermal overload, ensuring safe and continuous operation of the entire control rack.
| Parameter | Specification |
|---|---|
| Input Voltage | 24 VDC (18–34 V range) |
| Efficiency | > 85% |
| Output Power | M1 system bus supply |
| Mounting | Backplane, Slot 1 |
| Dimensions (W×H×D) | 130 × 57 × 67 mm |
| Weight | 0.35 kg |
| Protection | Short-circuit, overvoltage, thermal |
| Status Indication | Power OK / Fault LEDs |
Primary power source for Bachmann M1 control racks in wind energy, maritime systems, and industrial automation, ensuring stable internal bus and module operation.
Can the NT255 power external field devices?
No. The NT255 is intended for internal M1 system power only. External sensors and actuators should be powered by a separate 24 V field supply.
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