{"product_id":"abb-ret670-1mrk004816-cc-relion-670-transformer-protection-relay","title":"ABB RET670 1MRK004816-CC Relion 670 Transformer Protection Relay","description":"\u003cp\u003eThe \u003cstrong\u003eABB RET670 1MRK004816-CC\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003eRET670\u003c\/strong\u003e Transformer Protection Relay, operates as a dedicated hardware component for main protection, control, and supervision within two-winding and multi-winding power transformer networks.\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\u003eRET670 1MRK004816-CC\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\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e6.00 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e220.0 mm x 448.0 mm x 245.0 mm\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\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e30 W max\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeries\u003c\/td\u003e\n\u003ctd\u003eRelion 670 Series\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eTransformer Protection Relay\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunication Interfaces\u003c\/td\u003e\n\u003ctd\u003eEthernet (IEC 61850-8-1, IEC 61850-9-2LE), ST Optical Ports\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eBackplane Bus Communication Velocity and Firmware Compatibility\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eThe unit processes multi-channel analog current and voltage samples via high-speed internal bus architecture to execute sub-cycle differential protection algorithms. Real-time GOOSE communications and sampled values route across deterministic Ethernet networks to eliminate fieldbus transmission latencies.\u003c\/li\u003e\n\u003cli\u003eInternal microcode firmware guarantees hardware-level flash compatibility across Relion 670 IED platforms. Expandable I\/O processing boards dynamically sync with CPU firmware loops, maintaining fixed sampling intervals across variable system frequencies.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: How is physical grounding established on the heavy-duty rack enclosure of this protection relay?\u003c\/p\u003e\n\u003cp\u003eA: Grounding is established using a dedicated ground lug located on the rear chassis, which must connect directly to the main station earthing bus via heavy copper braiding.\u003c\/p\u003e\n\u003cp\u003eQ: Can optional I\/O channels or optical communication modules be added to the chassis in the field?\u003c\/p\u003e\n\u003cp\u003eA: Hardware options must be inserted into pre-assigned backplane slots with main power de-energized, followed by firmware configuration updates through the protection system software suite.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eIsolate all AC current transformer (CT) inputs using shorting terminal blocks and open all potential transformer (PT) supply fuses prior to performing maintenance or installation work.\u003c\/li\u003e\n\u003cli\u003eMount the relay unit securely in a standard 19-inch panel rack or cutout using factory mounting brackets to preserve mechanical bonding and earth continuity.\u003c\/li\u003e\n\u003cli\u003eRoute fiber-optic communication cables within protective conduit, observing minimum bend radius limits to prevent optical signal attenuation.\u003c\/li\u003e\n\u003cli\u003eEnsure all terminal block terminal screws are torque-tested to factory standards before reapplying auxiliary power to the unit.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ABB","offers":[{"title":"Default Title","offer_id":45307438825587,"sku":"RET670 1MRK004816-CC","price":233.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0644\/4348\/2227\/files\/screenshot_2026-05-08_11-17-47_cd0a37a2-4da6-4f57-919a-7c96bd76d5ec.png?v=1785898654","url":"https:\/\/www.dcssupplier.com\/products\/abb-ret670-1mrk004816-cc-relion-670-transformer-protection-relay","provider":"DcsSupplier Limited","version":"1.0","type":"link"}