{"product_id":"kidde-3a40bc-multipurpose-fire-extinguisher-high-capacity","title":"Kidde 3A40BC Multipurpose Fire Extinguisher High Capacity — 5.5 lb, UL Listed (21032633)","description":"\u003cdiv class=\"product-description-rich\" style=\"color:#e0e0e0;line-height:1.6;\"\u003e\n\u003cdiv style=\"border:2px solid #ff9800;background:#2a2520;border-radius:8px;padding:18px 22px;margin:0 0 22px;color:#f5e6d3;\"\u003e\n\u003cdiv style=\"margin-bottom:10px;\"\u003e\n\u003cspan style=\"background:#ff9800;color:#1a1a1a;font-weight:bold;padding:4px 12px;border-radius:4px;\"\u003eEDITORIAL REVIEW: 4.6\/5\u003c\/span\u003e \u003cspan style=\"color:#ffb74d;\"\u003eWC Safety Review — the Kidde 3A40BC Multipurpose Fire Extinguisher High Capacity\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cp style=\"margin:10px 0 16px;\"\u003e\u003ca href=\"\/blogs\/product-reviews\/kidde-b0cb9gwdgf-3a40bc-multipurpose-fire-extinguisher-high-capacity-review\" title=\"Kidde B0CB9GWDGF 3A40BC Multipurpose Fire Extinguisher — High Capacity Review (2026)\" style=\"color:#ffb74d;font-weight:bold;\"\u003eRead the full Kidde 3A40BC Multipurpose Fire Extinguisher High Capacity review →\u003c\/a\u003e\u003c\/p\u003e\n\u003cp style=\"font-size:0.9em;color:#cbb89e;margin:6px 0 0;\"\u003eEditorial assessment by Steven Eaton, WC Safety editor, based on Kidde published specifications and NFPA 10 guidance. We did not laboratory-test this product.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp style=\"margin:6px 0 16px;\"\u003e\u003ca href=\"https:\/\/www.amazon.com\/dp\/B0CB9GWDGF?tag=wcsafetymisc-20\" rel=\"sponsored nofollow noopener\" target=\"_blank\" style=\"display:inline-block;background:#ffd814;color:#0f1111;padding:11px 20px;text-decoration:none;font-weight:bold;border-radius:4px;border:1px solid #fcd200;\"\u003eCHECK PRICE ON AMAZON →\u003c\/a\u003e\u003ca href=\"\/collections\/fire-extinguishers\" style=\"display:inline-block;background:#ff9800;color:#1a1a1a;padding:11px 20px;text-decoration:none;font-weight:bold;border-radius:4px;margin-left:8px;\"\u003eSHOP FIRE EXTINGUISHERS →\u003c\/a\u003e\u003c\/p\u003e\n\u003cp style=\"font-size:0.85em;color:#9e9e9e;margin:0 0 18px;\"\u003e\u003cem\u003eAs an Amazon Associate, WC Safety earns from qualifying purchases. \u003ca href=\"\/pages\/affiliate-disclosure\" style=\"color:#4fc3f7;\"\u003eFull affiliate disclosure\u003c\/a\u003e.\u003c\/em\u003e\u003c\/p\u003e\n\u003ch2 style=\"color:#ff9800;\"\u003eKidde 3A40BC Multipurpose Fire Extinguisher High Capacity Overview\u003c\/h2\u003e\n\u003cdiv\u003e\n\u003cp\u003eThe \u003cstrong\u003eKidde 3A40BC Multipurpose Fire Extinguisher High Capacity\u003c\/strong\u003e (model KD176-340ABC, SKU 21032633) is a UL Listed, 3-A:40-B:C rated ABC dry chemical extinguisher effective on Class A ordinary combustibles, Class B flammable liquids, and Class C energized electrical equipment. It holds 5.5 lb of monoammonium phosphate dry chemical agent in an aluminum cylinder with a pressure gauge and multi-directional discharge hose.\u003c\/p\u003e\n\u003cp\u003eAs the \u003cstrong\u003eKidde 21032633 fire extinguisher\u003c\/strong\u003e, this is a genuine \u003cstrong\u003e3A40BC fire extinguisher 5.5 lb\u003c\/strong\u003e unit, also known as the \u003cstrong\u003eKidde KD176-340ABC extinguisher\u003c\/strong\u003e. It is a true \u003cstrong\u003emultipurpose ABC fire extinguisher high capacity\u003c\/strong\u003e option and a \u003cstrong\u003eUL listed 3A40BC dry chemical extinguisher\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eDischarge runs approximately 13-15 seconds at a range of roughly 12-18 feet, at about 195 PSI operating pressure. Whether this exact unit is rechargeable or single-use is not confirmed by the manufacturer's own listing for this model — check your unit's label and gauge. Compare it to the \u003ca href=\"\/products\/kidde-basic-fire-extinguisher-single-use-5bc\"\u003eKidde Basic single-use 5-B:C\u003c\/a\u003e or the \u003ca href=\"\/products\/kidde-commercial-fire-extinguisher-rechargeable-2a10bc\"\u003eKidde commercial rechargeable 2A10BC\u003c\/a\u003e. See our \u003ca href=\"\/blogs\/reference\/fire-extinguisher-classes-explained\"\u003efire extinguisher classes explained\u003c\/a\u003e reference.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch2 style=\"color:#ff9800;\"\u003eWhat It Is Built For\u003c\/h2\u003e\n\u003ctable style=\"border-collapse:collapse;width:100%;margin:12px 0;background:#1a1a1a;\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"color:#ffb74d;text-align:left;padding:8px;border:1px solid #444;\"\u003eUse case\u003c\/th\u003e\n\u003cth style=\"color:#ffb74d;text-align:left;padding:8px;border:1px solid #444;\"\u003eFit\u003c\/th\u003e\n\u003cth style=\"color:#ffb74d;text-align:left;padding:8px;border:1px solid #444;\"\u003eBuyer guidance\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px;border:1px solid #444;\"\u003eGarage, workshop, mixed combustibles\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #444;\"\u003eExcellent\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #444;\"\u003e3-A:40-B:C covers wood\/paper, liquids, and electrical from one cylinder.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px;border:1px solid #444;\"\u003eLarge room or higher-capacity coverage\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #444;\"\u003eStrong\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #444;\"\u003e5.5 lb charge and 3-A rating exceed basic 1-A home units.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px;border:1px solid #444;\"\u003eEnergized electrical equipment\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #444;\"\u003eGood\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #444;\"\u003eC-rated; dry chemical leaves residue, clean equipment after use.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px;border:1px solid #444;\"\u003eCommercial deep-fryer cooking-oil fires\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #444;\"\u003eLimited\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #444;\"\u003eNot Class K; use a wet-chemical K-class unit as the primary device.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px;border:1px solid #444;\"\u003eConfirming recharge vs. single-use\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #444;\"\u003eCheck your unit\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #444;\"\u003eNot stated on the manufacturer's listing for this exact SKU.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp style=\"background:#1a2733;border-left:4px solid #4fc3f7;padding:12px 16px;color:#cfd8dc;\"\u003eMatch the extinguisher to the fire class: A (ordinary combustibles), B (flammable liquids), C (energized electrical), K (cooking oils and fats). This ABC dry chemical unit covers A, B, and C, but it is not a Class K appliance for deep-fryer fires. Mount it somewhere accessible, check the pressure gauge on a regular schedule, and follow the manufacturer's inspection and service guidance for your specific unit. An extinguisher is for small, incipient fires only — if the fire grows or the room fills with smoke, an \u003cstrong\u003eIDLH\u003c\/strong\u003e atmosphere, evacuate and call 911 rather than continuing to fight it. See our \u003ca href=\"\/blogs\/reference\/fire-extinguisher-inspection-guide\" style=\"color:#4fc3f7;\"\u003efire extinguisher inspection guide\u003c\/a\u003e, the \u003ca href=\"\/blogs\/guides\/what-is-osha-29-cfr-1910-157-fire-extinguishers\" style=\"color:#4fc3f7;\"\u003eOSHA 1910.157 fire extinguisher\u003c\/a\u003e guide, and our \u003ca href=\"\/blogs\/guides\/best-fire-extinguisher-for-home\" style=\"color:#4fc3f7;\"\u003ebest fire extinguisher for home\u003c\/a\u003e guide.\u003c\/p\u003e\n\u003ch2 style=\"color:#ff9800;\"\u003ePros \u0026amp; Cons\u003c\/h2\u003e\n\u003cdiv style=\"display:flex;gap:12px;flex-wrap:wrap;margin:14px 0;\"\u003e\n\u003cdiv style=\"flex:1;min-width:220px;background:#1b3a2a;border:1px solid #4caf50;color:#e8f5e9;padding:10px 14px;border-radius:4px;\"\u003e\n\u003cstrong style=\"color:#81c784;\"\u003ePros\u003c\/strong\u003e\u003cul style=\"padding-left:20px;\"\u003e\n\u003cli\u003eUL Listed, 3-A:40-B:C rating\u003c\/li\u003e\n\u003cli\u003e5.5 lb dry chemical charge, higher capacity\u003c\/li\u003e\n\u003cli\u003eCovers Class A, B, and C fires from one unit\u003c\/li\u003e\n\u003cli\u003ePressure gauge, multi-directional hose\u003c\/li\u003e\n\u003cli\u003eSubstantial genuine review base on-site\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1;min-width:220px;background:#3a1e1e;border:1px solid #ef5350;color:#ffebee;padding:10px 14px;border-radius:4px;\"\u003e\n\u003cstrong style=\"color:#e57373;\"\u003eCons\u003c\/strong\u003e\u003cul style=\"padding-left:20px;\"\u003e\n\u003cli\u003eRechargeable vs. single-use not confirmed for this exact SKU\u003c\/li\u003e\n\u003cli\u003eDry chemical leaves residue on electronics\u003c\/li\u003e\n\u003cli\u003eNot a Class K appliance for fryer fires\u003c\/li\u003e\n\u003cli\u003eMounting hardware inclusion not confirmed\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch2 style=\"color:#ff9800;\"\u003eHow It Compares\u003c\/h2\u003e\n\u003cdiv\u003e\n\u003cp\u003eThe 3A40BC High Capacity sits above basic single-use units in agent charge and Class A rating. Weigh it against nearby Kidde options:\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eRating\u003c\/th\u003e\n\u003cth\u003eAgent\u003c\/th\u003e\n\u003cth\u003eBest for\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eKidde 3A40BC High Capacity (this page)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3-A:40-B:C\u003c\/td\u003e\n\u003ctd\u003e5.5 lb\u003c\/td\u003e\n\u003ctd\u003eGarage, workshop, larger single spaces\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/kidde-basic-fire-extinguisher-single-use-5bc\"\u003eKidde Basic 5-B:C\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e5-B:C\u003c\/td\u003e\n\u003ctd\u003eSmaller\u003c\/td\u003e\n\u003ctd\u003eSmall liquid\/electrical fires, no Class A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/kidde-commercial-fire-extinguisher-rechargeable-2a10bc\"\u003eKidde Commercial 2A10BC\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e2-A:10-B:C\u003c\/td\u003e\n\u003ctd\u003eNot stated\u003c\/td\u003e\n\u003ctd\u003eRechargeable, commercial fleet standardization\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/kidde-fa110g-fire-extinguisher\"\u003eKidde FA110G\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e1-A:10-B:C\u003c\/td\u003e\n\u003ctd\u003eSmaller\u003c\/td\u003e\n\u003ctd\u003eBasic home coverage\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eChoose the \u003cstrong\u003e3A40BC High Capacity\u003c\/strong\u003e for larger spaces needing more Class A knockdown, the \u003ca href=\"\/products\/kidde-basic-fire-extinguisher-single-use-5bc\"\u003eKidde Basic 5-B:C\u003c\/a\u003e for compact liquid\/electrical-only coverage, or the \u003ca href=\"\/products\/kidde-commercial-fire-extinguisher-rechargeable-2a10bc\"\u003eKidde Commercial 2A10BC\u003c\/a\u003e when you specifically need a confirmed rechargeable unit. See our \u003ca href=\"\/blogs\/guides\/best-fire-extinguishers-2026\"\u003ebest fire extinguishers 2026\u003c\/a\u003e guide and the \u003ca href=\"\/blogs\/guides\/best-fire-extinguisher-for-home\"\u003ebest fire extinguisher for home\u003c\/a\u003e guide.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch2 style=\"color:#ff9800;\"\u003eSpecifications\u003c\/h2\u003e\n\u003ctable style=\"border-collapse:collapse;width:100%;margin:12px 0;background:#1a1a1a;\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px;border:1px solid #444;color:#ffb74d;\"\u003eBrand \/ Model\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #444;\"\u003eKidde, KD176-340ABC (SKU 21032633)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px;border:1px solid #444;color:#ffb74d;\"\u003eRating\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #444;\"\u003e3-A:40-B:C, UL Listed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px;border:1px solid #444;color:#ffb74d;\"\u003eAgent\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #444;\"\u003e5.5 lb monoammonium phosphate dry chemical\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px;border:1px solid #444;color:#ffb74d;\"\u003eConstruction\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #444;\"\u003eAluminum cylinder, pressure gauge, multi-directional hose\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px;border:1px solid #444;color:#ffb74d;\"\u003ePerformance\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #444;\"\u003e~13-15 sec discharge; ~12-18 ft range; ~195 PSI\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px;border:1px solid #444;color:#ffb74d;\"\u003eService type\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #444;\"\u003eNot confirmed for this SKU — check your unit's label\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch2 style=\"color:#ff9800;\"\u003eRelated Guides\u003c\/h2\u003e\n\u003cp style=\"margin:0 0 10px;\"\u003e\u003ca href=\"\/blogs\/reference\/fire-extinguisher-classes-explained\" style=\"color:#4fc3f7;\"\u003efire extinguisher classes explained\u003c\/a\u003e, \u003ca href=\"\/blogs\/reference\/fire-extinguisher-inspection-guide\" style=\"color:#4fc3f7;\"\u003efire extinguisher inspection guide\u003c\/a\u003e, \u003ca href=\"\/blogs\/reference\/fire-extinguisher-placement-requirements\" style=\"color:#4fc3f7;\"\u003efire extinguisher placement requirements\u003c\/a\u003e, \u003ca href=\"\/blogs\/reference\/how-to-use-a-fire-extinguisher\" style=\"color:#4fc3f7;\"\u003ehow to use a fire extinguisher\u003c\/a\u003e, \u003ca href=\"\/blogs\/guides\/best-fire-extinguishers-2026\" style=\"color:#4fc3f7;\"\u003ebest fire extinguishers 2026\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch2 style=\"color:#ff9800;\"\u003eRelated Resources\u003c\/h2\u003e\n\u003cp\u003e\u003ca href=\"\/collections\/fire-extinguishers\" style=\"color:#4fc3f7;\"\u003efire extinguishers\u003c\/a\u003e \u003ca href=\"\/products\/kidde-basic-fire-extinguisher-single-use-5bc\" style=\"color:#4fc3f7;\"\u003eKidde Basic single-use 5-B:C\u003c\/a\u003e \u003ca href=\"\/products\/kidde-commercial-fire-extinguisher-rechargeable-2a10bc\" style=\"color:#4fc3f7;\"\u003eKidde Commercial rechargeable 2A10BC\u003c\/a\u003e \u003ca href=\"\/products\/kidde-fa110g-fire-extinguisher\" style=\"color:#4fc3f7;\"\u003eKidde FA110G\u003c\/a\u003e \u003ca href=\"\/products\/kidde-fire-extinguisher-for-vehicles-single-use-10bc\" style=\"color:#4fc3f7;\"\u003eKidde vehicle single-use 10BC\u003c\/a\u003e\u003c\/p\u003e\n\u003ch2 style=\"color:#ff9800;\"\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3 style=\"color:#ffb74d;\"\u003eWhat does the 3-A:40-B:C rating mean?\u003c\/h3\u003e\n\u003cp\u003e3-A is the Class A (ordinary combustibles like wood, paper, cloth) extinguishing capacity rating; 40-B:C means it is rated for Class B flammable-liquid fires up to roughly a 40 square-foot test fire and is safe on Class C energized electrical equipment. Together it's a general-purpose, higher-capacity ABC rating than a basic 1-A:10-B:C home unit.\u003c\/p\u003e\n\u003ch3 style=\"color:#ffb74d;\"\u003eIs this extinguisher rechargeable or single-use?\u003c\/h3\u003e\n\u003cp\u003eThat is not confirmed for this exact model by the manufacturer's own listing. Kidde sells both rechargeable and one-time-use extinguishers under similar 3A40BC ratings, so check the label, pressure gauge, and any included documentation on your specific unit, or contact Kidde directly, before assuming either way.\u003c\/p\u003e\n\u003ch3 style=\"color:#ffb74d;\"\u003eHow much dry chemical agent does it hold?\u003c\/h3\u003e\n\u003cp\u003e5.5 lb of monoammonium phosphate dry chemical agent, per the manufacturer's listing for this model.\u003c\/p\u003e\n\u003ch3 style=\"color:#ffb74d;\"\u003eWhat is the discharge time and range?\u003c\/h3\u003e\n\u003cp\u003eApproximately 13-15 seconds of discharge at a range of roughly 12-18 feet, at an operating pressure of about 195 PSI, based on manufacturer-published specifications for this extinguisher family.\u003c\/p\u003e\n\u003ch3 style=\"color:#ffb74d;\"\u003eIs it UL Listed?\u003c\/h3\u003e\n\u003cp\u003eYes, this extinguisher is UL Listed, which is a genuine third-party certification. Note that this is separate from any OSHA claim: OSHA does not certify or approve specific commercial fire extinguisher models.\u003c\/p\u003e\n\u003ch3 style=\"color:#ffb74d;\"\u003eCan I use it on a kitchen grease or deep-fryer fire?\u003c\/h3\u003e\n\u003cp\u003eIt covers Class B flammable liquids generally, but it is not a Class K appliance for commercial deep-fryer cooking-oil fires. For fryers, a wet-chemical K-class unit is the correct primary device; an ABC extinguisher like this one is a backup, not the front-line tool, in that specific scenario.\u003c\/p\u003e\n\u003ch3 style=\"color:#ffb74d;\"\u003eWhat is the cylinder made of?\u003c\/h3\u003e\n\u003cp\u003eCorrosion-resistant aluminum, per the manufacturer's published construction details, with a pressure gauge and a multi-directional discharge hose.\u003c\/p\u003e\n\u003ch3 style=\"color:#ffb74d;\"\u003eHow do I use this extinguisher in an emergency?\u003c\/h3\u003e\n\u003cp\u003eUse the standard PASS method: Pull the safety pin, Aim the nozzle at the base of the fire, Squeeze the handle, and Sweep side to side. An extinguisher is for small, incipient fires only; if the fire grows or smoke fills the room, evacuate and call 911 rather than continuing to fight it.\u003c\/p\u003e\n\u003ch3 style=\"color:#ffb74d;\"\u003eHow often should I inspect it?\u003c\/h3\u003e\n\u003cp\u003eNFPA 10 calls for a monthly visual gauge check, an annual professional inspection, and periodic hydrostatic testing for portable extinguishers. Follow the specific service and recharge guidance on your unit's label.\u003c\/p\u003e\n\u003ch3 style=\"color:#ffb74d;\"\u003eDoes it come with a mounting bracket?\u003c\/h3\u003e\n\u003cp\u003eMounting hardware details are not confirmed in the manufacturer's published specifications reviewed for this listing; check the current Amazon listing or packaging for what's included with your order.\u003c\/p\u003e\n\u003ch3 style=\"color:#ffb74d;\"\u003eHow does this compare to Kidde's Basic 5-B:C single-use unit?\u003c\/h3\u003e\n\u003cp\u003eThe Kidde Basic 5-B:C unit is a smaller single-use extinguisher with no Class A capacity, so it won't handle wood, paper, or cloth fires. This 3A40BC High Capacity model adds Class A coverage and a larger 5.5 lb agent charge for broader, higher-capacity protection.\u003c\/p\u003e\n\u003ch3 style=\"color:#ffb74d;\"\u003eIs one of these enough for my garage or workshop?\u003c\/h3\u003e\n\u003cp\u003eCoverage depends on square footage, hazard type, and NFPA 10 travel-distance guidance; a 3A40BC high-capacity unit suits a garage, workshop, or larger single space, but bigger or multi-room properties may need more than one, placed so an extinguisher is always within reach.\u003c\/p\u003e\n\u003cdiv style=\"border-top:1px solid #444;margin-top:28px;padding-top:14px;font-size:0.9em;color:#cfd8dc;background:#1a2733;border-left:4px solid #4fc3f7;padding:14px 18px;\"\u003e\n\u003cp\u003eWritten by \u003cstrong style=\"color:#ffb74d;\"\u003eSteven Eaton\u003c\/strong\u003e, WC Safety Editorial. Specifications sourced from Kidde published data and NFPA 10 guidance. Compare the range in \u003ca href=\"\/collections\/fire-extinguishers\" style=\"color:#4fc3f7;\"\u003efire extinguishers\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003eWC Safety is an independent PPE review site and Amazon Associate; no paid placement. Confirm your unit's recharge\/service type and follow NFPA 10 inspection guidance; call 911 for any fire beyond incipient stage.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"wcs-related-mesh\"\u003e\n\u003ch2\u003eMore from our Fire Extinguisher reviews\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/amzboom-fire-extinguisher-4-pack-with-mount-brackets\"\u003eAmzBoom B0CQRS3HWY Fire Extinguisher 4-Pack with Mount Brackets\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/first-alert-af400-ez-fire-spray-2-pack\"\u003eFirst Alert AF400 EZ Fire Spray 2-Pack — 18 oz Aerosol Fire Extinguisher Spray\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Kidde","offers":[{"title":"Default Title","offer_id":44046917730392,"sku":"21032633","price":49.94,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0594\/1900\/0920\/files\/71nVzeeUkrL.jpg?v=1777396586","url":"https:\/\/wcsafety.com\/products\/kidde-3a40bc-multipurpose-fire-extinguisher-high-capacity","provider":"WC Safety","version":"1.0","type":"link"}