Littelfuse FS155-30RF, FS Series, Tower and Obstruction Lighting Control, 120VAC, 2500W, 200A
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The FS Series have proven their reliability through years of use on communication towers, smoke stacks, cooling towers, tall buildings, bridges and utility towers. The highest quality components are encapsulated in a rugged plastic housing with a molded-in heat transfer plate. The flash rate, ratio, and failsafe design meet FAA regulations. Zero voltage switching can increase lamp life up to ten times. The FS155-30RF includes superior RF filtering circuitry for use in high RF installations, including AM hot towers.
Operation
FS Series - Flasher (OFF First)
Upon application of input voltage, the T2 OFF time begins. At the end of the OFF time, the T1 ON time begins and the load energizes. At the end of T1, T2 begins and the load de-energizes. This cycle repeats until voltage is removed.
Reset: Removing input voltage resets the output and the sequence to T2.
Specifications
| Technical Data | |
| Operation | Single & multiple beacon flashing with auxiliary modules |
| Flash Rate (FS Series Only) | 30 ±10 FPM |
| ON/OFF Ratio (FS Series Only) | 50 - 67% ON time; 33 - 50% OFF time |
| Voltage | 120 or 230VAC ±20% |
| AC Line Frequency | 50/60Hz |
| Output Rating (Zero Voltage Switching) | 2500W @ 120VAC; 5000W @ 230VAC |
| Inrush Current | 200A peak for 1 cycle of AC line |
| Mounting* | Surface mount with one #10 (M5 x 0.8) screw |
| Dimensions |
H 50.8 mm (2”); W 50.8 mm (2”); D 38.4 mm (1.51”) |
| Termination | 0.25 in. (6.35 mm) male quick connect terminals |
| Circuitry | Encapsulated |
| Operating/Storage Temperature | -55° to 65°C / -55° to 85°C |
| Humidity | 95% relative, non-condensing |
| Weight | ≅ 3.9 oz (111 g) |