Three lengths of Alto LED DI-IN
Five optical systems
| Type of installation | Suspended |
| Housing material | Aluminum |
| Designed for light-line | yes |
| Louver/ diffuser | MPRM, OPAL, mPARB, mPARM, mPARW |
| Louver material | Plastic |
| Reflector | black, high gloss, white |
| UGR | 15, 19, 20 |
| Light source | LED |
| Luminaire power | 33 - 79 W |
| Number of light sources | 1 |
| Type of equipment | AC |
| Voltage rating | 220 ... 240 V |
| Light source included | yes |
| Type of driver | DALI, ON/OFF |
| Net weight | 2.4 - 4.5 kg |
| Colour | Black, Grey, White |
| Operating temperature range | -20 ... 40 |
| Power and luminous flux tolerance | +/-10% |
| Luminaire luminous flux DI | 1250 - 5750 lm |
| Luminaire luminous flux IN | 760 - 4060 lm |
| Luminaire's luminous efficacy | 61 - 122 lm/W |
| Luminaire's luminous efficiency | 56 - 64 |
| Light colour | White |
| Color rendering index | 80, 90 |
| Light distribution | Medium-stream |
| Light distribution | DI/IN |
| MacAdam | SDCM 3 |
| Lifetime L80B10 @25°C | 100.000 h |
| Lifetime L90B10 @25°C | 64.000 h |
| Lamp Lumen Maintenance Factor (after 60 000h) | 85 % |
| Colour temperature | 3000K, 4000K |
| CRI & colour temperature | 830, 840, 930, 940 |
| Degree of protection (IP) | IP20 |
| Impact resistance | IK04 |
| Class of protection | I |
| Light source protection | yes |
| CE | yes |
| HACCP+ | yes |