The Siemens ST-CMC-CW-MNS-ALERT is a multi-candela clear-lens strobe for mass notification systems (MNS). Specifically, it is the ceiling-mount, white-faceplate, “ALERT”-lettered variant in the Siemens ST mass-notification family. In addition, the part number is S54301-Z94-A1 per Siemens Data Sheet 2588.
How the Siemens ST-CMC-CW-MNS-ALERT signals
First, the strobe flashes at one flash per second minimum across its regulated voltage range. Then, when synchronization is required, it pairs with Siemens DSC modules to keep all strobes in the field of view aligned. As a result, the appliance meets the NFPA 72 flash-rate requirement and ADA-guideline ranges for visual signaling.
Verified specifications
- Part number: S54301-Z94-A1
- Mounting: ceiling, indoor flush-mount
- Faceplate: white, with red “ALERT” lettering
- Lens: clear
- Candela settings (field-selectable, clear-lens ceiling): 15 / 30 / 75 / 95 cd
- Input voltage: 16-33 VDC, filtered or full-wave rectified (FWR)
- Wire terminals: #12 to #18 AWG
- Candela selector: tamper-resistant slider switch
Current draw (per DS 2588)
- DC (16-33 VDC): 0.069 A at 15 cd, 0.111 A at 30 cd, 0.200 A at 75 cd, 0.264 A at 95 cd
- FWR (16-33 VRMS): 0.117 A at 15 cd, 0.180 A at 30 cd, 0.297 A at 75 cd, 0.398 A at 95 cd
Listings and panel compatibility
The ST-CMC-CW-MNS-ALERT is UL Standard 1971 Listed and UL 2572 Listed for mass-notification system use. In addition, it complies with OSHA 29 CFR Part 1910.165. For panel pairing, it works with the Siemens 252-point and 504-point addressable intelligent voice communication systems. It also pairs with FireFinder XLSM panels and PAD-series NAC extenders that include the Siemens sync protocol.
Mounting
The appliance mounts to a standard 4-inch back box or to the Siemens SBL2S surface-mount back box. Furthermore, the appliance ships with a strobe-mounting plate and snap-on grille cover. Refer to Siemens Data Sheet 2585 for the full list of mounting options.
For more information, contact the Life Safety Consultants team at (888) 557-0558, or email us at: sales@lifesafetycom.com
Additional information
| Weight | 1.6 lbs |
|---|---|
| Dimensions | 7 × 7 × 7 in |
| Condition | New |
| Manufacturers | Siemens |
| Part Type | Duct Detector |
