Purpose-Built Fire Suppression for Prusa & Desktop 3D Printer Enclosures The BlazeCut TR032FK-PRUSA is a compact, automatic fire suppression unit designed specifically for small, enclosed spaces like 3D printer enclosures. Tailored for use with Prusa models and similarly sized desktop printers, this self-contained system provides fast, mess-free fire protection—no wiring, external power, or manual activation required. The system consists of a black, abrasion-resistant detection tube filled with FK-5-1-12, a Clean Fire Suppressing Agent. When the temperature inside the enclosure reaches approximately 267°F (±6°F), the tube melts at the hottest point, forming a nozzle that releases the agent directly at the source of the fire. The result is instant, targeted suppression that won’t damage your printer, electronics, or surrounding space. Because it operates silently and without residue, the TR032FK-PRUSA is ideal for workspaces, studios, classrooms, and any area where enclosed additive manufacturing takes place. It installs directly into your 3D printer enclosure and is completely maintenance-free. 🔒 This model does not include a pressure switch. For advanced features like alarm signaling or system-triggered shutdowns, see BlazeCut “-S” models (e.g., TR025FK-S). Ideal For: Prusa 3D Printer Enclosures – Original Prusa MK4, MK3S+, Mini+, and similar builds Compact Desktop 3D Printers – Creality Ender, Anycubic, Bambu Lab, Elegoo Mars 3D Printer Enclosure Kits – IKEA Lack enclosures, Snapmaker cases, ModCase-style builds Workshops, Makerspaces & Classrooms – Where safety and automation are critical Hobbyist or Professional 3D Print Farms – Reduce fire risk during unattended prints Key Benefits: Automatic Fire Activation – No wires, no triggers, no manual input required Clean Fire Suppressing Agent (FK-5-1-12) – Safe for people, electronics, and delicate 3D printer components Zero Residue or Mess – No powder, foam, or cleanup required after discharge Environmentally Friendly – Zero ozone depletion and very low global warming impact Compact & Self-Contained – Easily fits inside most standard 3D printer enclosures No Maintenance Required – 5 to 10 years of protection with no upkeep Quick DIY Installation – Mounts horizontally at the top of your enclosure using included zip ties Protection Specs: Application Type Protected Volume Electrical Enclosures 3.18 ft³ (0.09 m³) Engine/Fuel Compartments Not applicable for this model Technical Details: Operating Temperature: -4°F to +194°F Activation Temperature: 267°F ± 6°F Clean Agent: FK-5-1-12 What Makes FK-5-1-12 Different? FK-5-1-12 is a non-toxic, non-conductive, and residue-free clean agent that’s safe for people, electronics, and small enclosed environments. It’s one of the most environmentally responsible fire suppressants available, with zero ozone depletion potential and very low global warming potential, making it ideal for indoor use around sensitive hardware and humans.
