Bachmann|NT255 0031426-00|Power Supply Module
BACHMANN NT255 00031426-00 Power Supply Module
Description
BACHMANN NT255 00031426-00 is a high-efficiency power supply module for the M200 control system, delivering stable voltages to CPU and backplane modules with enhanced reliability and overload protection.
Features
Wide input voltage range with electronic reverse polarity protection.
Galvanic isolation between input, ground, and system.
Integrated powerfail signaling and error diagnostics.
CoolPCB technology for efficient heat dissipation.
Robust design with planar transformer and shock resistance.
Technical Specifications
• Output Power: 45 W continuous, 55 W peak
• Input Voltage Range: 18–34 V DC, withstands up to +40 V for <1 second
• Reverse Polarity Protection: Electronic
• Starting Inrush Current: Max 8 A after 5 ms
• Internal Fuse: SMD 7 A
• Output Voltages:
- +5 V / 6 A (8 A peak)
- +15 V / 0.5 A
- –15 V / 0.5 A
• Power-Fail Response: Powerfail message after 3 ms, bypass duration 18 ms
• Monitoring: Input voltage and output voltages monitored; CPU-processable status signals
• State Indication: LEDs for Power, Ready, and Error status
• Galvanic Isolation: - Input to System: 500 V
- Input to Ground: 100 V
• Operating Temperature: –30°C to +60°C
• Storage Temperature: –40°C to +85°C
• Humidity: 5%–95% RH, non-condensing and condensing
• Pollution Degree: 2 (per IEC 60664-1)
• Approvals: CE, UKCA, cULus
Bachmann|NT255 0031426-00|Power Supply Module



Bachmann|NT255 0031426-00|Power Supply Module
BACHMANN NT255 00031426-00 Power Supply Module
Description
BACHMANN NT255 00031426-00 is a high-efficiency power supply module for the M200 control system, delivering stable voltages to CPU and backplane modules with enhanced reliability and overload protection.
Features
Wide input voltage range with electronic reverse polarity protection.
Galvanic isolation between input, ground, and system.
Integrated powerfail signaling and error diagnostics.
CoolPCB technology for efficient heat dissipation.
Robust design with planar transformer and shock resistance.
Technical Specifications
• Output Power: 45 W continuous, 55 W peak
• Input Voltage Range: 18–34 V DC, withstands up to +40 V for <1 second
• Reverse Polarity Protection: Electronic
• Starting Inrush Current: Max 8 A after 5 ms
• Internal Fuse: SMD 7 A
• Output Voltages:
- +5 V / 6 A (8 A peak)
- +15 V / 0.5 A
- –15 V / 0.5 A
• Power-Fail Response: Powerfail message after 3 ms, bypass duration 18 ms
• Monitoring: Input voltage and output voltages monitored; CPU-processable status signals
• State Indication: LEDs for Power, Ready, and Error status
• Galvanic Isolation: - Input to System: 500 V
- Input to Ground: 100 V
• Operating Temperature: –30°C to +60°C
• Storage Temperature: –40°C to +85°C
• Humidity: 5%–95% RH, non-condensing and condensing
• Pollution Degree: 2 (per IEC 60664-1)
• Approvals: CE, UKCA, cULus