{"product_id":"schneider-electric-v255-073749-vamp-255-protection-relay","title":"Schneider Electric V255-073749 VAMP 255 Protection Relay","description":"\u003cp\u003eThe \u003cstrong\u003eSchneider Electric V255-073749\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003eV255-073749\u003c\/strong\u003e Feeder and Motor Protection Relay, operates as a dedicated hardware component for selective current monitoring and automated breaker trip execution within industrial power distribution networks. It samples phase vector magnitudes to isolate electrical anomalies directly at the hardware layer.\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\u003eV255-073749\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eSchneider Electric\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eFinland\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.3 kg (0.66 lbs)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e12.0 cm x 10.5 cm x 13.0 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-10 to +55 deg C standard industrial limits\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003eStandard auxiliary operational load\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeries\u003c\/td\u003e\n\u003ctd\u003eVAMP 255\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eProtection Relays\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Type\u003c\/td\u003e\n\u003ctd\u003eFlush panel mounting configuration\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProtection Functions\u003c\/td\u003e\n\u003ctd\u003eOvercurrent, Earth Fault, Motor, Capacitor Bank, and Busbar Protection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eProfinet \/ EtherNet\/IP Deterministic Networks and I\/O Density Scaling\u003c\/h3\u003e\n\u003cp\u003eThe VAMP 255 platform executes real-time telemetry streaming over deterministic Profinet and EtherNet\/IP networks to synchronize power quality data with process controllers. The internal processing core scales hardware sampling density across current inputs, maintaining deterministic scanning speed without delaying critical overcurrent trip decisions. Firmware flash compatibility ensures fault-event records and setting matrices remain intact during system power cycles.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: What panel preparation is required for the flush mount enclosure?\u003c\/p\u003e\n\u003cp\u003eA: Cut a rectangular panel cutout corresponding to the 12.0 cm x 10.5 cm x 13.0 cm physical dimensions, ensuring adequate rear clearance for terminal block wiring and grounding straps.\u003c\/p\u003e\n\u003cp\u003eQ: How does the processing core maintain coordination with downstream circuit breakers?\u003c\/p\u003e\n\u003cp\u003eA: The onboard micro-controller samples high-density current vectors continuously. Trip logic runs locally on the hardware matrix to initiate contact closure in milliseconds, bypassing network transfer delays.\u003c\/p\u003e\n\u003cp\u003eQ: What primary equipment functions can be assigned to the protective channels?\u003c\/p\u003e\n\u003cp\u003eA: The relay logic can be configured to protect feeder lines, electric motors, capacitor banks, and distribution busbars against earth faults and overcurrent conditions.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eCut the designated mounting opening on the enclosure door and insert the relay from the front face.\u003c\/li\u003e\n\u003cli\u003eSecure the flush-mounting brackets from the rear of the panel, tightening the retaining screws evenly to prevent panel distortion.\u003c\/li\u003e\n\u003cli\u003eConnect the protective earth (PE) ground terminal directly to the central panel earth bus using a short, high-strand copper conductor.\u003c\/li\u003e\n\u003cli\u003eRoute phase CT secondary wiring to the dedicated rear terminal blocks, verifying correct current transformer polarity before energizing.\u003c\/li\u003e\n\u003cli\u003eTerminate auxiliary power and communication lines in separate wire channels away from high-voltage current measurement leads.\u003c\/li\u003e\n\u003cli\u003eVerify terminal screw tightness across all active contact blocks prior to applying control power.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Schneider","offers":[{"title":"Default Title","offer_id":53445361762613,"sku":"V255-073749","price":66.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0973\/7630\/5461\/files\/V255-073749.png?v=1788333706","url":"https:\/\/www.5gplc.com\/products\/schneider-electric-v255-073749-vamp-255-protection-relay","provider":"High Five PLC Solution Limited","version":"1.0","type":"link"}