{"product_id":"qbp869639","title":"Vimar Bus Power Supply Unit, 29VDC, 1.28A, DIN Rail, Decoupling Coil","description":"\u003ch6\u003eOverview\u003c\/h6\u003e\u003cp\u003eThe Vimar VM01989 is a DIN-rail supply unit that outputs 29 VDC at up to 1280 mA for onboard control networks that run on a 29 V bus.\u003c\/p\u003e\u003cp\u003eIt takes 120-230 V~ input at 50\/60 Hz, so it is typically fed from the boat’s AC distribution (shore power or an inverter-fed panel) and used to power the low-voltage bus for automation devices.\u003c\/p\u003e\u003cp\u003eBuilt for DIN (60715 TH35) rail mounting and sized for 8 DIN modules (8 x 17.5 mm), it is intended for a protected electrical cabinet where wiring stays organized and service access is straightforward.\u003c\/p\u003e\u003ch6\u003eKey features\u003c\/h6\u003e\u003cul\u003e\n\u003cli\u003e29 VDC output rated up to 1280 mA for 29 V bus-powered control systems\u003c\/li\u003e\n\u003cli\u003e120-230 V~ input, 50\/60 Hz for common onboard AC panels\u003c\/li\u003e\n\u003cli\u003eDIN (60715 TH35) rail mounting; occupies 8 modules (8 x 17.5 mm)\u003c\/li\u003e\n\u003cli\u003eIntegrated decoupling coil to help isolate bus lines and keep power distribution tidy\u003c\/li\u003e\n\u003cli\u003eSupports feeding two lines from one supply when the system layout calls for it\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch6\u003eInstallation and setup\u003c\/h6\u003e\u003cp\u003eMount the unit on a 60715 TH35 DIN rail inside a protected distribution cabinet. Allow room for wiring bends and airflow, and avoid locations exposed to direct spray, washdowns, or persistent condensation.\u003c\/p\u003e\u003cp\u003eConnect the AC input from a correctly protected circuit, then land the 29 VDC output to the bus power feed points for your installation. When the system is split into two lines, keep line routing consistent with the intended segmentation so troubleshooting stays simple later.\u003c\/p\u003e\u003ch6\u003eElectrical and system integration\u003c\/h6\u003e\u003cp\u003eThis is not a 12 V or 24 V DC supply for typical boat loads. It is an AC-powered unit that provides 29 VDC, which matches control and building-automation style buses used on many modern yachts, including KNX-based setups.\u003c\/p\u003e\u003cp\u003eIf the vessel is primarily DC-only, plan for how the AC feed will be provided (for example via an inverter) before committing panel space.\u003c\/p\u003e\u003ch6\u003eCompatibility and fit\u003c\/h6\u003e\u003cp\u003eWith an 8-module footprint on the DIN rail, confirm available cabinet space and layout alongside breakers, terminals, and other DIN devices. It is a solid match for centralized electrical lockers where lighting controls, switching, and other automation components share a dedicated 29 V bus supply.\u003c\/p\u003e\u003ch6\u003eMaintenance and care\u003c\/h6\u003e\u003cp\u003eAs part of routine electrical checks, verify the rail latch is secure and that terminals remain tight. In saltwater environments, keeping the cabinet dry and well ventilated helps limit corrosion at connections over time.\u003c\/p\u003e","brand":"Vimar","offers":[{"title":"Default Title","offer_id":52269495451829,"sku":"QBP869639","price":709.58,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0977\/8171\/1029\/files\/1300257_qbp869639.jpg?v=1771544279","url":"https:\/\/www.qualityboatparts.com\/products\/qbp869639","provider":"Quality Boat Parts","version":"1.0","type":"link"}