{"product_id":"abb-advant-dssb145-master-power-supply-units","title":"ABB Advant DSSB145 Master Power Supply Units","description":"\u003ch2\u003eABB DSSB145 Advant Master Power Supply Unit\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eABB DSSB145\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003eDSSB145\u003c\/strong\u003e DC Power Supply Unit, operates as a dedicated hardware component for direct internal voltage regulation within ABB Advant Master and S100 I\/O systems.\u003c\/p\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\u003eDSSB145 (48980001-AA)\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\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eSweden \/ Germany\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.3-0.4 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e180 x 120 x 20 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e0 to 55 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e5 VDC output power up to 100 W capacity\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Voltage\u003c\/td\u003e\n\u003ctd\u003e24 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Voltage\u003c\/td\u003e\n\u003ctd\u003e5 VDC (regulated)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Current Capacity\u003c\/td\u003e\n\u003ctd\u003e20 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eForm Factor\u003c\/td\u003e\n\u003ctd\u003eEuro-card format rack-mounted module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProtection Rating\u003c\/td\u003e\n\u003ctd\u003eIP20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIntegrated Protection\u003c\/td\u003e\n\u003ctd\u003eOverload, short-circuit, and thermal monitoring\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eBackplane Bus Powering \u0026amp; Deterministic I\/O Density Scaling\u003c\/h3\u003e\n\u003cp\u003eThe DSSB145 conditions incoming 24 VDC auxiliary power to supply a stable 5 VDC output rail across the S100 I\/O rack backplane bus. Maintaining regulated logic voltage prevents backplane bus communication velocity degradation when scaling high channel density sub-modules. The internal power management architecture coordinates thermal dissipation profiles with onboard overload and short-circuit monitoring circuits, maintaining firmware flash compatibility and uninterrupted backplane bus operation across connected control nodes.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: How does the DSSB145 handle short-circuit conditions on the backplane logic rail?\u003c\/p\u003e\n\u003cp\u003eA: The onboard protection circuitry detects short-circuit states on the output side and limits the current output, preventing overcurrent propagation from damaging the S100 I\/O rack backplane.\u003c\/p\u003e\n\u003cp\u003eQ: Can the DSSB145 be replaced while power is applied to the overall cabinet?\u003c\/p\u003e\n\u003cp\u003eA: Hot-swapping requires verifying the specific rack backplane power distribution design; system power must be isolated or shifted to a redundant supply line prior to disengaging Euro-card retention locks to prevent transient bus disruptions.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cp\u003eInsert the DSSB145 Euro-card unit into the dedicated slot of the S100 I\/O rack guide rails, sliding it firmly until the backplane connectors seat completely. Fasten the front panel mounting screws to secure mechanical alignment and establish proper grounding through the sub-rack frame. Connect the incoming 24 VDC field power supply wiring using specified wire gauges, ensuring correct terminal polarity. Maintain unobstructed air clearance above and below the Euro-card rack frame to support vertical convection cooling across the internal heat sink structure.\u003c\/p\u003e","brand":"ABB","offers":[{"title":"Default Title","offer_id":43838488051811,"sku":"DSSB145","price":676.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0583\/5246\/8067\/files\/373_d26f23f6-7c00-4be0-8293-c0a32f8c8252.jpg?v=1763107144","url":"https:\/\/www.autocontrolglobal.com\/products\/abb-advant-dssb145-master-power-supply-units","provider":"AutoControl Global","version":"1.0","type":"link"}