{"product_id":"bg-cuspdt21en-type-2-40ka-single-module-surge-protection-device-for-tn-s-pme-and-tt-systems","title":"BG CUSPDT21EN Type 2 40kA Single-Module Surge Protection Device for TN-S, PME and TT Systems","description":"\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eBG CUSPDT21EN-01 Type 2 surge protection device\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e provides reliable protection for domestic and light-commercial electrical installations against transient overvoltages caused by lightning activity and electrical switching events. Installed within a compatible consumer unit, this \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e40kA single-phase SPD\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e diverts damaging voltage surges safely to earth, helping protect connected circuits, appliances and sensitive electronic equipment.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eDesigned for \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eTN-S, TN-C-S\/PME and TT earthing systems\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, the CUSPDT21EN-01 is suitable for a wide range of UK electrical installations. Its compact \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003esingle-module DIN rail design\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e occupies minimal space inside the consumer unit, helping electricians retain more usable capacity for circuit-protection devices. The unit mounts directly onto the busbar and does not require a separate backup MCB.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe BG Type 2 SPD offers a maximum discharge current of \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e40kA\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, a nominal discharge current of 20kA and a rapid response time of less than 25 nanoseconds. It has a maximum continuous operating voltage of 275V and a voltage protection level below 1.5kV, providing fast protection when potentially damaging transient voltage spikes occur.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eA clear visual status indicator makes routine inspection straightforward: green indicates that the device is operational, while red shows that the SPD requires replacement. The device also incorporates an internal current-limiting safety circuit designed to create a failsafe open circuit if exposed to excessive short-circuit current.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eCompliant with \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eBS EN 61643-11, IEC EN 61643-11 and BS EN 62305\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, the BG CUSPDT21EN-01 is also designed to meet current BS 7671 Amendment 4 requirements. It is an ideal choice for electricians searching for a \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eType 2 SPD\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e40kA surge protection device\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003esingle-module consumer unit SPD\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eDIN rail surge arrester\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e or \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eBG consumer unit surge protector\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e. BG circuit-protection products are covered by a 10-year manufacturer’s warranty.\u003c\/span\u003e\u003c\/p\u003e","brand":"BG","offers":[{"title":"Default Title","offer_id":57348703289719,"sku":"CUSPDT21EN","price":19.68,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0687\/8927\/2802\/files\/bg-cuspdt21en-01-type-2-single-phase-spd-with-fast-25-nanosecond-surge-response-time.webp?v=1785752267","url":"https:\/\/www.electricalsonline.co.uk\/products\/bg-cuspdt21en-type-2-40ka-single-module-surge-protection-device-for-tn-s-pme-and-tt-systems","provider":"Electricals Online","version":"1.0","type":"link"}