{"product_id":"abb-dsrf-187-3bse004985r1-equipment-frame","title":"ABB DSRF 187 3BSE004985R1 Equipment Frame","description":"\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eABB DSRF 187 3BSE004985R1\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003eDSRF 187\u003c\/strong\u003e Equipment Frame, operates as a dedicated hardware component for high-current AC switching and power distribution interfacing within MasterPiece and Advant Controller platforms.\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\u003eDSRF 187 3BSE004985R1\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\u003eStandard ABB Manufacturing Facility\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e12.7 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e30.5 cm x 27.9 cm x 48.3 cm\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\u003eAC Supply Driven\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated Operating Voltage\u003c\/td\u003e\n\u003ctd\u003e230 VAC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal Operating Voltage\u003c\/td\u003e\n\u003ctd\u003e440 VAC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal Operating Current\u003c\/td\u003e\n\u003ctd\u003e24 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eContact Count\u003c\/td\u003e\n\u003ctd\u003e4 Pole Contacts\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Load Capacity\u003c\/td\u003e\n\u003ctd\u003eIncandescent: 1000 W \/ Fluorescent: 700 VA \/ Double Circuit: 1400 VA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eDeterministic Network Switching and Backplane Integration\u003c\/h3\u003e\n\u003cp\u003eThe DSRF 187 sub-rack frame routes internal high-level power paths while maintaining signal isolation across system rack interfaces. Its internal architecture prevents electrical noise coupling onto high-velocity backplane bus communication paths, allowing remote I\/O nodes to maintain deterministic cycle times across Profinet and EtherNet\/IP control networks. Standardized module connector geometry guarantees structural firmware flash compatibility and predictable backplane bus communication velocity across scaled I\/O density rack configurations.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: What precautions are necessary regarding power switching limits?\u003c\/p\u003e\n\u003cp\u003eA: Continuous resistive and inductive load execution must strictly abide by the 24 A current limit and specified VA lamp ratings across all 4 pole contacts to prevent terminal degradation.\u003c\/p\u003e\n\u003cp\u003eQ: Does the frame support online module insertion or extraction?\u003c\/p\u003e\n\u003cp\u003eA: Field servicing requires de-energizing the main 230\/440 VAC supply lines prior to extraction to prevent arc flash events and backplane voltage spikes.\u003c\/p\u003e\n\u003cp\u003eQ: How does the frame maintain backplane bus signal integrity under heavy load switching?\u003c\/p\u003e\n\u003cp\u003eA: The physical structural chassis features integrated galvanic separation barriers that isolate 440 VAC switching transients from logic-level rack backplane signals.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eVerify all primary AC feed lines are de-energized and locked out prior to landing 440 VAC conductors on frame terminals.\u003c\/li\u003e\n\u003cli\u003eSecure the equipment frame to the cabinet mounting rails using four high-tensile fasteners to accommodate the 12.7 kg assembly weight.\u003c\/li\u003e\n\u003cli\u003eEnsure protective earth (PE) bonding straps are bolted directly to the frame chassis to establish low-impedance grounding.\u003c\/li\u003e\n\u003cli\u003eMaintain minimum clearance around thermal exhaust zones to ensure adequate convective air dissipation across switching elements.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ABB","offers":[{"title":"Default Title","offer_id":53253219320117,"sku":"DSRF 187 3BSE004985R1","price":66.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0973\/7630\/5461\/files\/DSRF1873BSE004985R1.png?v=1785998564","url":"https:\/\/www.5gplc.com\/products\/abb-dsrf-187-3bse004985r1-equipment-frame","provider":"High Five PLC Solution Limited","version":"1.0","type":"link"}