{"product_id":"lewden-40a-30ma-type-a-compact-rcbo-1p-n-b-curve-6ka-1-module-rcbo-b40-30-spa","title":"Lewden 40A 30mA Type A Compact RCBO 1P+N B Curve 6kA 1 Module | RCBO-B40\/30\/SPA","description":"\u003ch1 class=\"MsoNormal\"\u003eLewden 40A 30mA Type A Compact RCBO 1P+N B Curve 6kA 1 Module | RCBO-B40\/30\/SPA\u003c\/h1\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eCompact Single Module Type A RCBO with 40A B Curve Protection\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003eThe \u003cb\u003eLewden 40A Compact RCBO\u003c\/b\u003e combines \u003cb\u003eovercurrent, short-circuit and residual current protection\u003c\/b\u003e within a space-saving single-module device. Designed for DIN rail installation, it provides individual circuit protection while occupying only \u003cb\u003e18mm \/ 1 module\u003c\/b\u003e within a compatible consumer unit or distribution board.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003eFeaturing a 40A \u003cb\u003eB Curve characteristic\u003c\/b\u003e, \u003cb\u003e30mA Type A residual current protection\u003c\/b\u003e and \u003cb\u003e6kA short-circuit breaking capacity\u003c\/b\u003e, this RCBO is particularly suited to lower-current circuits such as lighting and other applications requiring combined overcurrent and additional residual current protection.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eFeatures\u003c\/b\u003e\u003c\/p\u003e\n\u003cul style=\"margin-top: 0cm;\" type=\"disc\"\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l2 level1 lfo1; tab-stops: list 36.0pt;\"\u003e40A Rated Current\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l2 level1 lfo1; tab-stops: list 36.0pt;\"\u003eB Curve Tripping Characteristic\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l2 level1 lfo1; tab-stops: list 36.0pt;\"\u003eType A RCBO\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l2 level1 lfo1; tab-stops: list 36.0pt;\"\u003e30mA Residual Current Protection\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l2 level1 lfo1; tab-stops: list 36.0pt;\"\u003e6kA Short-Circuit Capacity\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l2 level1 lfo1; tab-stops: list 36.0pt;\"\u003e1P+N Configuration\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l2 level1 lfo1; tab-stops: list 36.0pt;\"\u003eCompact 1 Module Design\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l2 level1 lfo1; tab-stops: list 36.0pt;\"\u003eOnly 18mm Wide\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l2 level1 lfo1; tab-stops: list 36.0pt;\"\u003e230V Rated Operating Voltage\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l2 level1 lfo1; tab-stops: list 36.0pt;\"\u003e50\/60Hz Frequency\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l2 level1 lfo1; tab-stops: list 36.0pt;\"\u003eDIN Rail Mounting\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l2 level1 lfo1; tab-stops: list 36.0pt;\"\u003eAccepts 1–16mm² Cables\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l2 level1 lfo1; tab-stops: list 36.0pt;\"\u003eCombined Overload \u0026amp; Short-Circuit Protection\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l2 level1 lfo1; tab-stops: list 36.0pt;\"\u003eResidual Current Protection\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l2 level1 lfo1; tab-stops: list 36.0pt;\"\u003eComplies with BS EN 61009-1\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eCombined Circuit Protection\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003eAn RCBO combines the functions normally associated with an \u003cb\u003eMCB and RCD\u003c\/b\u003e in a single protective device.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003eThe Lewden compact RCBO protects an individual circuit against \u003cb\u003eoverloads and short circuits\u003c\/b\u003e, while its 30mA residual current function provides protection against earth leakage currents.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003eUsing individual RCBOs also improves circuit separation because a residual-current fault on one protected circuit does not inherently require other independently protected circuits to be disconnected.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eType A Residual Current Protection\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003eThis device incorporates \u003cb\u003eType A RCD functionality\u003c\/b\u003e with a rated residual operating current of \u003cb\u003e30mA\u003c\/b\u003e.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003eType A devices are designed to respond to sinusoidal AC residual currents as well as pulsating DC residual currents, making them suitable for many modern electrical circuits containing electronic equipment.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003e40A B Curve Characteristic\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003eThe 40\u003cb\u003eA B Curve\u003c\/b\u003e characteristic makes this model particularly relevant to lower-current applications where high starting currents are not normally expected.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003eTypical applications can include lighting and control circuits, subject to the electrical design, connected load, installation method and required protective characteristics.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eCompact 1 Module Design\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003eAt only \u003cb\u003e18mm wide\u003c\/b\u003e, the RCBO occupies a single module within a compatible distribution board.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003eIts compact construction allows individual RCBO protection to be installed without unnecessarily consuming enclosure space, making it particularly useful where the number of available DIN rail modules is limited.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003e6kA Short-Circuit Capacity\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003eThe device provides a \u003cb\u003e6kA short-circuit breaking capacity\u003c\/b\u003e, allowing it to safely interrupt prospective fault currents within its specified rating when correctly selected and installed.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003eThe suitability of the breaking capacity should always be determined according to the prospective fault current at the point of installation.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eSpecifications\u003c\/b\u003e\u003c\/p\u003e\n\u003cul style=\"margin-top: 0cm;\" type=\"disc\"\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo3; tab-stops: list 36.0pt;\"\u003e\n\u003cb\u003eBrand:\u003c\/b\u003e Lewden\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo3; tab-stops: list 36.0pt;\"\u003e\n\u003cb\u003eProduct Type:\u003c\/b\u003e Compact RCBO\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo3; tab-stops: list 36.0pt;\"\u003e\n\u003cb\u003eRated Current:\u003c\/b\u003e 40A\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo3; tab-stops: list 36.0pt;\"\u003e\n\u003cb\u003eTrip Curve:\u003c\/b\u003e B Curve\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo3; tab-stops: list 36.0pt;\"\u003e\n\u003cb\u003eRCD Type \/ Class:\u003c\/b\u003e Type A\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo3; tab-stops: list 36.0pt;\"\u003e\n\u003cb\u003eResidual Current:\u003c\/b\u003e 30mA\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo3; tab-stops: list 36.0pt;\"\u003e\n\u003cb\u003eShort-Circuit Capacity:\u003c\/b\u003e 6kA\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo3; tab-stops: list 36.0pt;\"\u003e\n\u003cb\u003ePole Configuration:\u003c\/b\u003e 1P+N\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo3; tab-stops: list 36.0pt;\"\u003e\n\u003cb\u003eRated Operating Voltage:\u003c\/b\u003e 230V\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo3; tab-stops: list 36.0pt;\"\u003e\n\u003cb\u003eFrequency:\u003c\/b\u003e 50–60Hz\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo3; tab-stops: list 36.0pt;\"\u003e\n\u003cb\u003eMounting:\u003c\/b\u003e DIN Rail\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo3; tab-stops: list 36.0pt;\"\u003e\n\u003cb\u003eModule Width:\u003c\/b\u003e 1 Module\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo3; tab-stops: list 36.0pt;\"\u003e\n\u003cb\u003eWidth:\u003c\/b\u003e 18mm\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo3; tab-stops: list 36.0pt;\"\u003e\n\u003cb\u003eCable Capacity:\u003c\/b\u003e 1–16mm²\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo3; tab-stops: list 36.0pt;\"\u003e\n\u003cb\u003eDimensions:\u003c\/b\u003e 95mm (H) × 18mm (W) × 76mm (D)\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo3; tab-stops: list 36.0pt;\"\u003e\n\u003cb\u003eStandard:\u003c\/b\u003e BS EN 61009-1\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eDimensions\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003eThe compact RCBO measures:\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003e95mm (H) × 18mm (W) × 76mm (D)\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003eThe \u003cb\u003e18mm width\u003c\/b\u003e corresponds to a standard single-module DIN rail footprint.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eCable Capacity\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003eThe terminals accommodate conductors from \u003cb\u003e1mm² to 16mm²\u003c\/b\u003e, providing flexibility across a range of compatible circuit applications.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003eConductor size and type should be selected according to the circuit design, load, installation conditions and applicable wiring requirements.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eTypical Applications\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003eThe 40A rating and B Curve characteristic make this RCBO particularly suitable for appropriately designed lower-current circuits, including:\u003c\/p\u003e\n\u003cul style=\"margin-top: 0cm;\" type=\"disc\"\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l1 level1 lfo2; tab-stops: list 36.0pt;\"\u003eDomestic Lighting Circuits\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l1 level1 lfo2; tab-stops: list 36.0pt;\"\u003eCommercial Lighting\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l1 level1 lfo2; tab-stops: list 36.0pt;\"\u003eLED Lighting Circuits\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l1 level1 lfo2; tab-stops: list 36.0pt;\"\u003eControl Circuits\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l1 level1 lfo2; tab-stops: list 36.0pt;\"\u003eAlarm \u0026amp; Signalling Circuits\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l1 level1 lfo2; tab-stops: list 36.0pt;\"\u003eSmall Auxiliary Circuits\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l1 level1 lfo2; tab-stops: list 36.0pt;\"\u003eConsumer Unit Upgrades\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l1 level1 lfo2; tab-stops: list 36.0pt;\"\u003eNew Residential Installations\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"MsoNormal\"\u003eFinal device selection should always be based on the characteristics and requirements of the individual circuit.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eStandards \u0026amp; Compliance\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003eThe Lewden compact RCBO is manufactured in accordance with:\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eBS EN 61009-1\u003c\/b\u003e Residual current operated circuit-breakers with integral overcurrent protection for household and similar uses.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eWhy Choose the Lewden Compact Type A RCBO?\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003eThe \u003cb\u003eLewden 40A 30mA Type A RCBO\u003c\/b\u003e provides three important forms of circuit protection \u003cb\u003eoverload, short circuit and residual current protection \u003c\/b\u003ewithin a compact 18mm device.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003eIts \u003cb\u003eB Curve characteristic, 6kA breaking capacity, Type A residual-current detection and 1P+N configuration\u003c\/b\u003e make it a practical option for suitably designed modern electrical installations.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003eThe single-module format is particularly beneficial when fitting multiple independently protected circuits into a consumer unit where DIN rail space is valuable.\u003c\/p\u003e","brand":"Lewden","offers":[{"title":"Default Title","offer_id":54635426939226,"sku":"RCBO-B40\/30\/SPA","price":11.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0892\/6232\/6106\/files\/Lewden40a-RCBO-Compact-Single-Pole-1-Module-B-Curve-6kA-30mA-Type-A-RCBO-7_d0fd4844.webp?v=1787643257","url":"https:\/\/account.alertelectrical.com\/products\/lewden-40a-30ma-type-a-compact-rcbo-1p-n-b-curve-6ka-1-module-rcbo-b40-30-spa","provider":"Alert Electrical","version":"1.0","type":"link"}