{"product_id":"westinghouse-4d33900g19-power-supply-module","title":"Westinghouse 4D33900G19 Power Supply Module","description":"\u003cp\u003eConfigured for internal direct current regulation and auxiliary voltage distribution in Emerson Westinghouse Ovation DCS platforms, the \u003cstrong\u003eEmerson 4D33900G19\u003c\/strong\u003e (\u003cstrong\u003e4D33900G19\u003c\/strong\u003e Power Supply) provides direct physical\/electrical execution.\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\u003e4D33900G19\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eEmerson Westinghouse Ovation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eUSA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e7.99 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003eStandard Ovation power supply enclosure footprint\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e0 to 60 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e663 W maximum input power\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Voltage\u003c\/td\u003e\n\u003ctd\u003e85 to 264 VAC (47 to 63 Hz)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput 1 Rating\u003c\/td\u003e\n\u003ctd\u003e24 VDC \/ 300 W maximum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput 2 Rating\u003c\/td\u003e\n\u003ctd\u003e24 VDC \/ 200 W maximum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003e4-20 mA HART Loop Protocol and Channel-to-Channel Isolation\u003c\/h3\u003e\n\u003cp\u003eThe module incorporates primary-to-secondary galvanic isolation filtering to insulate downstream Ovation I\/O modules from power line transients and AC line spikes. High-frequency suppression circuitry ensures low output ripple across dual 24 VDC supply rails, maintaining voltage stability under shifting load conditions. Internal isolation barriers prevent ground potential loops from corrupting sensitive analog circuitry, preserving continuous signal integrity across field-side 4-20 mA HART loop protocol transmitters.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: What are the primary installation considerations when replacing the 4D33900G19 module in a live cabinet chassis?\u003c\/p\u003e\n\u003cp\u003eA: Ensure AC line input power is completely de-energized before extracting the assembly. Verify that terminal block retention screws are disengaged to prevent mechanical strain on internal power connectors or chassis mounting brackets.\u003c\/p\u003e\n\u003cp\u003eQ: How are dual 24 VDC power outputs isolated within the unit?\u003c\/p\u003e\n\u003cp\u003eA: Output 1 and Output 2 feature independent voltage regulation and isolation circuitry to prevent short-circuit faults on one branch from causing power collapse on the auxiliary supply bus.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cp\u003eMount the power supply unit vertically onto the designated enclosure chassis rails. Slide the unit backward until the rear power bus alignment connectors seat fully into the chassis frame assembly. Fasten all front panel retaining screws to a torque of 1.2 Nm to guarantee continuous mechanical grounding and structural stability.\u003c\/p\u003e\n\u003cp\u003ePrimary AC input cables (85-264 VAC) must be routed in dedicated high-voltage wireways, maintaining a minimum physical clearance of 300 mm from low-voltage instrument signal lines. Ground the chassis frame to the main enclosure earth bus via the dedicated protective ground stud before energizing primary line voltage.\u003c\/p\u003e","brand":"Westinghouse","offers":[{"title":"Default Title","offer_id":48394896081011,"sku":"4D33900G19","price":233.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0644\/4348\/2227\/files\/4D33900G19_6062f531-fc7b-41ea-a22f-0f916816fac7.png?v=1790059262","url":"https:\/\/www.dcssupplier.com\/ar\/products\/westinghouse-4d33900g19-power-supply-module","provider":"DcsSupplier Limited","version":"1.0","type":"link"}