Siemens SL24XHS-FR is an SL2 weatherproof horn-strobe, NEMA 4X rated, with a red housing, clear lens and FIRE text. It is for indoor or outdoor use on a wall or ceiling and installs on the pre-wire capable SL24XBB surface back box.
Specifications
| Rating |
Type 4X / IP66 surface mount (SL24XBB back box) |
| Input voltage |
DC or FWR, 24 V regulated, 16 to 33 V |
| Candela (clear) |
15, 30, 75, 110, 150, 185 cd, field selectable |
| Horn settings |
Non-sync: Continuous or T3; Siemens sync: T3 or T3/T4 |
| Sound output at 24 V |
90 dBA high, 86 dBA low (reverberant at 10 ft, UL 464/ULC-S525) |
| Strobe current (DC) |
0.026 A at 15 cd to 0.206 A at 185 cd |
| Environmental |
Indoor/outdoor, -40 to 150 °F (-40 to 66 °C), 95% RH |
| Standards |
Horn UL 464, ULC-S525; strobe UL 1638, UL 1971, ULC-S526 |
| NAC |
Maximum line resistance 35 Ω |
Installation notes
- Requires the SL24XBB surface back box for installation.
- Can run non-synchronized directly from a fire alarm control panel or synchronized with Siemens sync protocol.
- The strobe meets the NFPA 2016 20 ms light pulse duration requirement.
Related models
- SL24XHS-FW: white housing
- SL23RMTS-FR and SL24XMTS-FR: weatherproof multi-tone strobes
- SL24XSPS-FW: weatherproof speaker strobe
Documents
FAQ
Can the SL24XHS-FR be used outdoors?
Yes. SL2 4X/3R models are for indoor/outdoor use from -40 to 150 °F, wall or ceiling mount.
What back box does it need?
The SL24XBB surface back box, which is pre-wire capable.
Which candela settings are available?
15, 30, 75, 110, 150 and 185 cd with the clear lens.
What horn patterns does it offer?
Continuous or T3 when not synchronized; T3 or T3/T4 with Siemens sync protocol.