General information | | | | |
Product type designation | BU20-P12+A4+0B | BU20-P12+A0+4B | BU20-P6+A2+4D | BU20-P12+A0+0B |
Ambient conditions | | | | |
Ambient temperature during operation | | | | |
| -40 °C; = Tmin | -40 °C; = Tmin; Startup @ -25 °C | -25 °C; = Tmin | -40 °C; = Tmin |
| 70 °C; = Tmax | 70 °C; = Tmax | 60 °C; = Tmax | 70 °C; = Tmax |
| -40 °C | | -25 °C | -40 °C |
| 50 °C | | 50 °C | 50 °C |
Extended ambient conditions | | | | |
| Tmin ... Tmax at 1080 hPa ... 795 hPa (-1000 m ... +2000 m) // Tmin ... (Tmax - 10K) at 795 hPa ... 658 hPa (+2000 m ... +3500 m) // Tmin ... (Tmax - 20K) at 658 hPa ... 540 hPa (+3500 m ... +5000 m) | Tmin ... Tmax at 1080 hPa ... 795 hPa (-1000 m ... +2000 m) // Tmin ... (Tmax - 10K) at 795 hPa ... 658 hPa (+2000 m ... +3500 m) // Tmin ... (Tmax - 20K) at 658 hPa ... 540 hPa (+3500 m ... +5000 m) | Tmin ... Tmax at 1080 hPa ... 795 hPa (-1000 m ... +2000 m) | Tmin ... Tmax at 1080 hPa ... 795 hPa (-1000 m ... +2000 m) // Tmin ... (Tmax - 10K) at 795 hPa ... 658 hPa (+2000 m ... +3500 m) // Tmin ... (Tmax - 20K) at 658 hPa ... 540 hPa (+3500 m ... +5000 m) |
Relative humidity | | | | |
| 100 %; RH incl. condensation/frost (no commissioning under condensation conditions) | 100 %; RH incl. condensation / frost (no commissioning in bedewed state), horizontal installation | 100 %; RH incl. condensation/frost (no commissioning under condensation conditions) | 100 %; RH incl. condensation/frost (no commissioning under condensation conditions) |
Resistance | | | | |
| Yes; Class 3B2 mold, fungus and dry rot spores (with the exception of fauna). The supplied connector covers must remain on the unused interfaces during operation! | Yes; Class 3B2 mold, fungus and dry rot spores (with the exception of fauna). The supplied connector covers must remain on the unused interfaces during operation! | Yes; Class 3B2 mold, fungus and dry rot spores (with the exception of fauna). The supplied connector covers must remain on the unused interfaces during operation! | Yes; Class 3B2 mold, fungus and dry rot spores (with the exception of fauna). The supplied connector covers must remain on the unused interfaces during operation! |
| Yes; Class 3C4 (RH < 75%) incl. salt spray according to EN 60068-2-52 (degree of severity 3). The supplied connector covers must remain on the unused interfaces during operation! | Yes; Class 3C4 (RH < 75%) incl. salt spray according to EN 60068-2-52 (degree of severity 3). The supplied connector covers must remain on the unused interfaces during operation! | Yes; Class 3C4 (RH < 75%) incl. salt spray according to EN 60068-2-52 (degree of severity 3). The supplied connector covers must remain on the unused interfaces during operation! | Yes; Class 3C4 (RH < 75%) incl. salt spray according to EN 60068-2-52 (degree of severity 3). The supplied connector covers must remain on the unused interfaces during operation! |
| Yes; Class 3S4 incl. sand, dust. The supplied connector covers must remain on the unused interfaces during operation! | Yes; Class 3S4 incl. sand, dust. The supplied connector covers must remain on the unused interfaces during operation! | Yes; Class 3S4 incl. sand, dust. The supplied connector covers must remain on the unused interfaces during operation! | Yes; Class 3S4 incl. sand, dust. The supplied connector covers must remain on the unused interfaces during operation! |
Dimensions | | | | |
Width | 20 mm | 20 mm | 20 mm | 20 mm |
Height | 117 mm | 117 mm | 117 mm | 117 mm |
Depth | 35 mm | 35 mm | 35 mm | 35 mm |
Weights | | | | |
Weight, approx. | 48 g | 48 g | 47 g | 47 g |