{"product_id":"abb-3bhe039905r0101-ltc745a101-voltage-drive-circuit-board","title":"ABB 3BHE039905R0101 LTC745A101 Voltage Drive Circuit Board","description":"\u003cp\u003eThe \u003cstrong\u003eABB 3BHE039905R0101 LTC745A101\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003eLTC745A101\u003c\/strong\u003e Voltage Drive Circuit Board, is identified as a Power Master Board and voltage drive crowbar circuit board for voltage-drive control and protection functions. Available product references consistently associate LTC745A101 with ABB part number 3BHE039905R0101.\u003c\/p\u003e\n\u003ch3\u003ePart Identification and Naming\u003c\/h3\u003e\n\u003cp\u003eThe supplied identification contains two linked identifiers:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eABB part number: 3BHE039905R0101\u003c\/li\u003e\n\u003cli\u003eBoard type designation: LTC745A101\u003c\/li\u003e\n\u003cli\u003eProduct description: Power Master Board\u003c\/li\u003e\n\u003cli\u003eFunctional description: Voltage Drive Crowbar Circuit Board\u003c\/li\u003e\n\u003cli\u003eAlternate descriptions found in supplier references: Inverter Driver Board and Power Master Board.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eBecause available third-party listings use different functional descriptions for the same identifier, the board should be identified by the complete \u003cstrong\u003e3BHE039905R0101 LTC745A101\u003c\/strong\u003e designation rather than by a generic \"inverter driver board\" description.\u003c\/p\u003e\n\u003ch3\u003eElectrical and Environmental Specifications\u003c\/h3\u003e\n\u003cfigure\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eSpecification\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\u003e3BHE039905R0101 LTC745A101\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eABB Part Number\u003c\/td\u003e\n\u003ctd\u003e3BHE039905R0101\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBoard Designation\u003c\/td\u003e\n\u003ctd\u003eLTC745A101\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eABB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eVoltage Drive Circuit Board\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBoard Function\u003c\/td\u003e\n\u003ctd\u003ePower Master Board \/ Voltage Drive Crowbar Circuit Board\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Voltage\u003c\/td\u003e\n\u003ctd\u003e24 VDC +\/-10%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Voltage\u003c\/td\u003e\n\u003ctd\u003e0-10 V programmable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCurrent Rating\u003c\/td\u003e\n\u003ctd\u003e2 A maximum continuous\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrequency Range\u003c\/td\u003e\n\u003ctd\u003e0-400 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation Voltage\u003c\/td\u003e\n\u003ctd\u003e1500 V AC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResolution\u003c\/td\u003e\n\u003ctd\u003e12-bit (0.025%)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAccuracy\u003c\/td\u003e\n\u003ctd\u003e+\/-0.5% of full scale\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResponse Time\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;5 ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOvervoltage Protection\u003c\/td\u003e\n\u003ctd\u003eAuto-cutoff at 12 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShort-Circuit Protection\u003c\/td\u003e\n\u003ctd\u003eFoldback current limiting\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eThermal Shutdown\u003c\/td\u003e\n\u003ctd\u003e\u0026gt;85 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e-20 deg C to +60 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage Temperature\u003c\/td\u003e\n\u003ctd\u003e-40 deg C to +85 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHumidity\u003c\/td\u003e\n\u003ctd\u003e5-95% RH, non-condensing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVibration\u003c\/td\u003e\n\u003ctd\u003e1.5 G, 5-500 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMTBF\u003c\/td\u003e\n\u003ctd\u003e\u0026gt;100,000 hours\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.44 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShipping Dimensions\u003c\/td\u003e\n\u003ctd\u003e20 x 10 x 5.3 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCountry of Origin\u003c\/td\u003e\n\u003ctd\u003eSweden\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShipment Location\u003c\/td\u003e\n\u003ctd\u003eXiamen, China\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTariff Code\u003c\/td\u003e\n\u003ctd\u003e8537101190\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003eNot separately specified; 24 VDC input and 2 A maximum continuous current are provided\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eVoltage Drive and Protection Characteristics\u003c\/h3\u003e\n\u003cp\u003eThe supplied electrical data defines a 24 VDC control-side input with a programmable 0-10 V output. The stated 1500 V AC isolation rating separates the applicable electrical domains.\u003c\/p\u003e\n\u003cp\u003eThe stated 12-bit resolution corresponds to the supplied 0.025% figure. The output accuracy is specified separately as +\/-0.5% of full scale, so resolution and accuracy should not be treated as equivalent parameters.\u003c\/p\u003e\n\u003cp\u003eThe stated response time is less than 5 ms. This parameter describes the board response characteristic supplied for the LTC745A101 and should not be interpreted as the complete response time of a connected drive system.\u003c\/p\u003e\n\u003ch3\u003eABB Industrial Drive Interface\u003c\/h3\u003e\n\u003cp\u003eABB-related product listings associate 3BHE039905R0101 LTC745A101 with voltage-drive and inverter-driver functions.\u003c\/p\u003e\n\u003cp\u003eThe board-level interface should be evaluated as part of the host ABB drive architecture. The 0-10 V output is an analog control signal and should not be treated as an EtherNet\/IP, PROFINET, or other industrial network interface.\u003c\/p\u003e\n\u003cp\u003eFor analog drive control, signal conductors should be routed separately from high-current switching conductors. Shielding and grounding should follow the electrical design of the host drive cabinet.\u003c\/p\u003e\n\u003ch3\u003eProtection Functions\u003c\/h3\u003e\n\u003cp\u003eThe supplied specifications identify three protection mechanisms:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eOvervoltage protection with automatic cutoff at 12 VDC.\u003c\/li\u003e\n\u003cli\u003eShort-circuit protection using foldback current limiting.\u003c\/li\u003e\n\u003cli\u003eThermal shutdown above 85 deg C.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThese functions operate at the board level. They should not be interpreted as a replacement for upstream fusing, circuit protection, drive-level protection, or cabinet thermal management.\u003c\/p\u003e\n\u003cp\u003eThe specified 1500 V AC isolation value applies to the board's stated isolation characteristic. The actual isolation path and allowable working voltage must be verified against the host system documentation before applying external circuits.\u003c\/p\u003e\n\u003ch3\u003eIndustrial Control Compatibility\u003c\/h3\u003e\n\u003cp\u003eABB's product ecosystem includes multiple drive and excitation-control platforms, while third-party references describe this specific identifier differently, including Voltage Drive Crowbar Circuit Board, Inverter Driver Board, and Power Master Board.\u003c\/p\u003e\n\u003cp\u003eFor this reason, compatibility should be determined from the host equipment's ABB parts list, electrical schematic, and board designation rather than from the generic product category alone.\u003c\/p\u003e\n\u003cp\u003eNo verified evidence was found that establishes LTC745A101 as a standalone PLC I\/O module. It should therefore be treated as a dedicated circuit board until the host equipment documentation confirms its system position.\u003c\/p\u003e\n\u003ch3\u003eOrdering Information\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1 x ABB 3BHE039905R0101 LTC745A101 circuit board\u003c\/li\u003e\n\u003cli\u003e1 x Voltage drive circuit board assembly\u003c\/li\u003e\n\u003cli\u003e0 x External 24 VDC power supply\u003c\/li\u003e\n\u003cli\u003e0 x External drive unit\u003c\/li\u003e\n\u003cli\u003e0 x PLC controller\u003c\/li\u003e\n\u003cli\u003e0 x Mounting cabinet\u003c\/li\u003e\n\u003cli\u003e0 x Additional wiring harness unless separately specified\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe board identifier and functional description are independently associated in multiple product references.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003ch4\u003eElectrical Connection\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eIsolate the 24 VDC supply before connecting or removing the board.\u003c\/li\u003e\n\u003cli\u003eConfirm polarity before applying the control supply.\u003c\/li\u003e\n\u003cli\u003eKeep the 0-10 V analog signal wiring away from high-current switching conductors.\u003c\/li\u003e\n\u003cli\u003eUse appropriate shield termination for the host drive cabinet.\u003c\/li\u003e\n\u003cli\u003eMaintain the specified isolation boundary between control and power circuits.\u003c\/li\u003e\n\u003cli\u003eDo not exceed the stated 2 A maximum continuous current rating.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eProtection and Thermal Conditions\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eDo not bypass the board's overvoltage or thermal protection.\u003c\/li\u003e\n\u003cli\u003eInvestigate the cause of repeated 12 VDC overvoltage cutoff events.\u003c\/li\u003e\n\u003cli\u003eEnsure adequate cabinet airflow around the circuit board.\u003c\/li\u003e\n\u003cli\u003ePrevent conductive contamination from accumulating on the PCB.\u003c\/li\u003e\n\u003cli\u003eDo not operate outside the stated -20 deg C to +60 deg C temperature range.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCommissioning\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eVerify the 24 VDC control supply before enabling the output.\u003c\/li\u003e\n\u003cli\u003eConfirm the 0-10 V output with suitable measurement equipment.\u003c\/li\u003e\n\u003cli\u003eCheck output behavior at minimum and maximum commanded values.\u003c\/li\u003e\n\u003cli\u003eConfirm that connected drive input scaling matches the board output range.\u003c\/li\u003e\n\u003cli\u003eVerify the host drive protection circuit before applying full operating load.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is ABB 3BHE039905R0101?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIt is the ABB part number associated with LTC745A101. Available references describe it as a Power Master Board, Voltage Drive Crowbar Circuit Board, or Inverter Driver Board.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the LTC745A101 input voltage?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe supplied specification states 24 VDC +\/-10%. The input supply should be verified at the board terminals before commissioning.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWhat output does the board provide?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe supplied data specifies a programmable 0-10 V output with a maximum continuous current rating of 2 A.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the isolation voltage?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe supplied specification gives an isolation voltage of 1500 V AC. The applicable isolation path should be confirmed against the host equipment schematic.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the board provide short-circuit protection?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. The supplied data specifies foldback current limiting for short-circuit protection.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWhat happens if the input voltage reaches 12 VDC?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe supplied specification states automatic overvoltage cutoff at 12 VDC. Repeated cutoff should be investigated rather than bypassed.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the operating temperature range?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe supplied operating range is -20 deg C to +60 deg C. The stated storage range is -40 deg C to +85 deg C.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCan LTC745A101 be treated as a standard PLC analog output card?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. Available references identify it as a dedicated ABB power or voltage-drive board, not as a standard PLC I\/O module.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ABB","offers":[{"title":"Default Title","offer_id":46021092540589,"sku":"3BHE039905R0101","price":88.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/1613\/9181\/files\/3BHE039905R0101.jpg?v=1786613595","url":"https:\/\/www.maxwellplc.com\/ga\/products\/abb-3bhe039905r0101-ltc745a101-voltage-drive-circuit-board","provider":"Maxwell PLC Ltd","version":"1.0","type":"link"}