Mechanical
| IP Rating | IP54 |
|---|
Electrical
| Electrical Rating | Class III |
|---|---|
| Input voltage | 24Vdc |
| Maximum Wattage | |
| AT9257/CW/1M AT9257/WW/1M | 12 W |
| AT9257/CW/2M AT9257/WW/2M | 24 W |
| AT9257/CW/5M AT9257/WW/5M | 60 W |
| Watts Per Meter (W/m) | 12 |
| Working Temp Range | 40 °C |
Lamp
| Macadam Steps (SDCM) | 3-step MacAdam Ellipse |
|---|---|
| Beam Angle | 140 ° |
| CCT Configuration | Single |
| CRI | >90 |
| Lamp/LED voltage | 24 V |
| LED's per meter | 336 |
| Lumens /m | |
| AT9257/WW/1M AT9257/WW/2M AT9257/WW/5M | 970 lm/m |
| AT9257/CW/1M AT9257/CW/2M AT9257/CW/5M | 1020 lm/m |
| System Efficiency | |
| AT9257/WW/1M AT9257/WW/2M AT9257/WW/5M | 80 lm/W |
| AT9257/CW/1M AT9257/CW/2M AT9257/CW/5M | 85 lm/W |
LED Lifetime
| LED Lifetime | >54000 hrs | ||||||
|---|---|---|---|---|---|---|---|
| This is the Reported LED Lifetime in Hours based on TM-21. Atom does not list the projected or calculated LED lifetime, which is normally longer as TM-21 Addendum B explicitly states "The Calculated and Projected Lp(Dk) are not to be reported". This Lifetime refers to the life of a single LED however the system life is longer since the probability and binomial distribution of all LEDs in the system means that the average led is performing above the specification and compensates for the LEDs falling below. | |||||||
| LED Lifetime Ratings (Failure rate & lumen depreciation) | |||||||
| |||||||
| This rating defines the performance of the led within its lifetime. L relates to lumen depreciation, where the proceeding number gives the resultant lumen output at the end of it reported lifetime. L70, would mean 30% lumen depreciation which means 70% of its initial output and is tested accordingly to TM-21. The B part refers to failures, which can be define as the percentage of LEDs which fall below the L value in the projected lifetime. A value of B10 refers to 10% failure and a value of B50 refers to 50% failure. After the defined lifetime, the system will reach the defined lumen depreciation and the average led failures is defined by the B rating. The B rating is defined in and tested to IEC62717. | |||||||
| TM-21 Test Hours | 9000 hrs | ||||||
Colour temperature
| CCT | |
|---|---|
| AT9257/WW/1M AT9257/WW/2M AT9257/WW/5M | 3000 K |
| AT9257/CW/1M AT9257/CW/2M AT9257/CW/5M | 4000 K |
| CCT Colour | |
| AT9257/CW/1M AT9257/CW/2M AT9257/CW/5M | Cool White |
| AT9257/WW/1M AT9257/WW/2M AT9257/WW/5M | Warm White |
| LED Wattage | 60 W |
| System Lumens | |
| AT9257/WW/1M | 970 lm |
| AT9257/CW/1M | 1020 lm |
| AT9257/WW/2M | 1940 lm |
| AT9257/CW/2M | 2040 lm |
| AT9257/WW/5M | 4850 lm |
| AT9257/CW/5M | 5100 lm |
| All photometric data has a tolerance of ±10%. | |
Compliance
| Product Design Life | 10 years |
|---|---|
| The product design life relates to the total product life which includes LEDs, drivers and the enclosure. This is different to the LED lifetime which only refers to the economical lifetime of the LEDs at which time the lumen output has dropped below the L Value. The product design life is calculated at the maximum ambient or working temperature of the product and takes into account the Daily Use. | |
| Daily Use | 12 hrs |
| The Daily Use is the recommended time required to meet the product's design life. Installations can exceed this time, however the product design life will be reduced proportionally. | |
| Standards |
|
Warranty
| Commercial Use Warranty | 2 RTB (Total 2 Years) |
|---|---|
| Domestic Use Warranty | 3 (Yr) RTB |
| Warranty Operating Hours | 13000 hrs |
| This product is provided with a warranty up until the stated warranty period or until the stated warranty operating hours has been reached (whichever occurs first). | |
