System Sensor P2RL-LF Low-Frequency Wall Horn-Strobe Red
Specifications
- Manufacturer
- System Sensor
- Part number
- P2RL-LF
- Product type
- Horn Strobes
Before you order
Match the part number to the one specified for your system, and check compatibility and required accessories (such as the detector base) in the manufacturer's documentation.
Product details
P2RL-LF is a System Sensor L-Series low-frequency horn strobe for wall mounting, with a red housing. The sounder produces a 520 Hz ±10% square-wave tone to meet the NFPA 72 requirement for sleeping areas, and the strobe offers field-selectable candela settings. It is listed to UL 1971 and UL 464 for public-mode notification.
Key features
- 520 Hz low-frequency square-wave tone for sleeping spaces
- Wall candela settings: 15, 30, 75, 95, 110, 135 and 185 cd
- Temporal 3, Temporal 4 or continuous patterns with high/low volume
- Plug-in design on a universal mounting plate with a shorting spring for continuity checks
- Synchronizes with the MDL3 Sync-Circuit module; electrically compatible with legacy SpectrAlert devices
Specifications
| Series | System Sensor L-Series Low Frequency |
| Mounting | Wall |
| Color | Red |
| Frequency | 520 Hz ±10% square wave |
| Candela | 15, 30, 75, 95, 110, 135, 185 cd |
| Sound output | 80 dBA high / 76 dBA low (UL reverberant) |
| Operating voltage | 16–33 V (24 V nominal), regulated DC or FWR |
| Flash rate | 1 per second |
| Operating temperature | 32°F to 120°F (0°C to 49°C) |
| Humidity | 10–93% non-condensing |
| Wire gauge | 12–18 AWG |
| Dimensions | 5.6 in L × 4.7 in W × 1.9 in D (with lens) |
| Listings | UL 1971, UL 464 |
Before you order
Mounts to a 4 × 4 × 1½ in box, 4 in octagon or double-gang box; the SBBRL surface back box is optional. Check the current draw for your candela setting against the NAC capacity, and add an MDL3R module if the panel does not provide System Sensor sync.
