{"product_id":"nt255-bachmann-m1-power-supply-module","title":"NT255 Bachmann M1 Power Supply Module","description":"\u003ch2\u003eBachmann NT255 Power Supply Module\u003c\/h2\u003e\n\u003cp\u003eConfigured for high-efficiency system powering and voltage stabilization in Bachmann M1 Automation System architectures, the \u003cstrong\u003eBachmann NT255\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003eNT255\u003c\/strong\u003e Power Supply Module, provides direct physical\/electrical execution.\u003c\/p\u003e\n\u003ch3\u003eSuffix Breakdown \u0026amp; Model Matrix\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eContinuous Output Power\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003ePeak Output Power\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eOperating Temperature Range\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eEnvironmental Protection\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eNT255\u003c\/td\u003e\n\u003ctd\u003e45 W\u003c\/td\u003e\n\u003ctd\u003e55 W\u003c\/td\u003e\n\u003ctd\u003e-30 to +60 deg C\u003c\/td\u003e\n\u003ctd\u003eStandard Enclosure Protection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNT255 CC\u003c\/td\u003e\n\u003ctd\u003e45 W\u003c\/td\u003e\n\u003ctd\u003e55 W\u003c\/td\u003e\n\u003ctd\u003e-30 to +60 deg C\u003c\/td\u003e\n\u003ctd\u003eColdClimate Conformal Coating\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eHardware Specifications\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eNT255\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eBachmann\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eAustria \/ EU\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003eStandard Module Mass\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003eM1 System Form Factor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-30 to +60 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003eMax 68 W Input Power\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Voltage Range\u003c\/td\u003e\n\u003ctd\u003e18 to 34 VDC (Peak +40 V for \u0026lt;1 s\/min)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Voltages \/ Currents\u003c\/td\u003e\n\u003ctd\u003e+5 VDC at 6 A (8 A peak), +15 VDC at 0.5 A, -15 VDC at 0.5 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eContinuous \/ Peak Output Power\u003c\/td\u003e\n\u003ctd\u003e45 W \/ 55 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBuffer Time (Power-Fail Bypass)\u003c\/td\u003e\n\u003ctd\u003e18 ms (Power-fail signal triggered after 3 ms)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStarting Current Limit\u003c\/td\u003e\n\u003ctd\u003eMax 8 A after 5 ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProtection Mechanisms\u003c\/td\u003e\n\u003ctd\u003eElectronic Reverse Polarity Protection, Internal 7 A SMD Fuse\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStatus Indicators\u003c\/td\u003e\n\u003ctd\u003eStatus LEDs (Power, Error, Ready)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGalvanic Isolation\u003c\/td\u003e\n\u003ctd\u003e500 V (Input\/System), 100 V (Input\/Ground)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eBackplane Bus Communication Velocity \u0026amp; Determinism\u003c\/h3\u003e\n\u003cp\u003eThe Bachmann NT255 incorporates planar transformer architecture combined with coolPCB thermal management to supply stable logic rail power directly across the M1 backplane bus. When input voltage dips occur, the integrated power-fail monitoring circuit asserts an early warning signal to the system CPU within 3 ms, allowing the processor to safely preserve volatile data and complete critical backplane bus cycles before the full 18 ms buffer capacity expires. This rapid power-loss notification maintains determinism and firmware flash compatibility across backplane-connected modules during temporary supply disruptions.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: How does the power-fail signal interact with the system controller during an input power drop?\u003c\/p\u003e\n\u003cp\u003eA: The module continuously monitors input rail levels and generates an early power-fail warning signal to the CPU module precisely 3 ms after an undervoltage condition is detected, providing a predictable window for controlled shutdown routines prior to power bus collapse.\u003c\/p\u003e\n\u003cp\u003eQ: Can the NT255 supply temporary current surges required by high-density system startup loads?\u003c\/p\u003e\n\u003cp\u003eA: Yes, the unit delivers up to 55 W of peak output power and allows the +5 VDC rail to scale up to 8 A peak, absorbing brief inrush currents without tripping protection circuits.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cp\u003eEnsure primary supply voltage is disconnected before mounting or removing the module from the M1 system backplane rack. Install the power supply vertically within the chassis enclosure to maximize vertical convection air movement across the coolPCB circuit structure. Route incoming primary supply wiring (18 to 34 VDC) using appropriate gauge wire, taking care to separate DC input lines from sensitive analog or high-frequency communication cables. Securely connect the primary earth terminal to the central cabinet grounding point to guarantee full 100 V input-to-ground isolation and optimum surge dissipation performance.\u003c\/p\u003e","brand":"BACHMANN","offers":[{"title":"Default Title","offer_id":52902390825272,"sku":"NT255","price":185.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0893\/1616\/3896\/files\/276..jpg?v=1788424048","url":"https:\/\/www.automodulexpert.com\/products\/nt255-bachmann-m1-power-supply-module","provider":"AutoModuleXpert Ltd.","version":"1.0","type":"link"}