Grothe's robust and compact LTW 168 series of alarm bells is specially designed for industrial and civil facilities and has a high IP protection class (IP66). This makes these products suitable for both indoor and outdoor use. The large electronic alarm bell is available in three colors for different situations. The series has two variants for direct voltage and three variants for alternating voltage. Alarm bells are particularly suitable for signaling rest breaks or the start of work Production environments, schools, or other places where regular acoustic imaging is required. Notice: Variants (grey) are also available LTW 168 GR 12 V AC, product no. 22522 LTW 168 GR 24 V AC, product no. 22523 LTW 168 GR 240 V AC, product no. 22527 LTW 168 GR 24 V DC, product no. 22551 The AC versions have a 2 dB(A) difference in volume compared to the DC versions! This information concerns the large alarm bell LTW 168 GR 12V DC. This product is not suitable for installation in vehicles. Brand: Grothe Manufacturer's article number: 22550 Type: LTW 168 GR 12V/AC Product Description: • Weight: 1.413 kg • Length: 78mm • Width: 168mm • Height: 168mm • Protection class: 2 • Case diameter: 168 mm • Continuous operation mode • Volume: 98 dB(A) • Color: gray • Sound bowl: made of bell steel • IP Protection class: IP66 • Working: continuous work • Power supply: 12 V DC (600 mA) • Dimensions: Ø 168 x 78 • Large bell device type • Distance between mounting holes: 91 mm • Cable entry depth: 5 – 9 mm