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To ensure accuracy, please note that images may be representative. Refer to the product data sheet for detailed specifications.
| Manufacturer | SSAC / Littelfuse |
| Manufacturer Product Number | FS155-30T |
| Description | Beacon Flashers; 30 FPM ±10; 120V AC; 20.8 A; Standard; Zero-voltage switching AC |
| Datasheet | Download Datasheet |
The Littelfuse SSAC FS155-30T is a solid-state flasher for 120 V AC, with a 20.8 A zero-voltage switching AC output (200 A inrush). It flashes at a fixed 30 flashes per minute, the standard factory rate. It flashes incandescent beacon lamps.
Upon application of input voltage the OFF time begins; at its end the beacon lamps turn on for the ON time, then off, and the cycle repeats until voltage is removed. Flash rate, ON/OFF ratio and fail-safe design meet FAA requirements, and zero-voltage switching extends incandescent lamp life up to ten times. It must be bolted to a metal surface with the supplied heat-sink compound (90 °C maximum surface).
Sequence: OFF first, 50-67% ON on. Supply tolerance: ±20% of nominal; 50/60 Hz. Option: Standard beacon flasher.
It is surface mounted with one #10 (M5) screw, on metal with heat-sink compound and has 0.250 in (6.3 mm) male quick-connect terminals. Dimensions: 2" H x 2" W x 1.51" D (50.8 x 50.8 x 38.4 mm). It operates from -55 to +65 °C and stores from -55 to +85 °C.
| Category | |
| Manufacturer | SSAC / Littelfuse |
| Model | FS Beacon |
| Flash Rate | 30 FPM ±10 |
| Flash Rate Adjustment | Fixed, factory set |
| Flash Sequence | OFF first |
| ON/OFF Ratio | 50-67% ON |
| Input Voltage | 120V AC |
| Input Operating Range | ±20% of nominal; 50/60 Hz |
| Output Technology | Solid State |
| Output Type | Zero-voltage switching AC |
| Contact Configuration | 1A SPST-NO |
| Load Type | Incandescent beacon lamps |
| Load Current (A) | 20.8 |
| Output Rating | 2500 W at 120 V AC |
| Options | Standard beacon flasher |
| Mounting Type | Surface Mount - one #10 (M5) screw, on metal with heat-sink compound |
| Termination Style | Quick Connect - 0.250" (6.3mm) |
| Dimensions | 2" H x 2" W x 1.51" D (50.8 x 50.8 x 38.4 mm) |
| Operating Temperature | -55...+65 °C (-55...+85 °C) |