Siemens HMS-M (500-033450) is an intelligent addressable manual fire alarm box with an all-metal housing, matte red with raised white lettering, and a single-action pull-down lever. A custom microcomputer chip gives it bi-directional communication with the fire alarm control panel and stores identification and operating-status data, with polarity-insensitive SureWire wiring.
When pulled, the lever locks down to show the station has been activated, and it stays down until the cover is opened and reset with the Allen key. The station communicates, receives commands and takes its power over one pair of wires, and works on the same circuit as Siemens H-series FirePrint detectors, HTRI-series interfaces and HZM zone modules.
Specifications
| Model / part number |
HMS-M / 500-033450 |
| Type |
Addressable manual fire alarm box, single action |
| Housing |
All metal, matte red with raised white lettering |
| Current draw |
1.5 mA, active or standby |
| Wiring |
Two-wire, polarity insensitive, screw terminals |
| Addressing |
Electronic, set with the DPU programmer |
| Installation |
Surface or semi-flush |
| Reset |
Allen key (one key and one break-glass rod included) |
| Certifications |
UL, ULC; USCG, CSFM and FDNY approved; ADA compliant |
Features
- Durable metal design, shock and vibration resistant
- Pull-down lever remains down until reset
- Break-rod option provided; double-action accessory available
- No mechanical addressing, so no jumpers, DIP switches or dials to fail
- Part of the USCG approval for marine use with Siemens 252-point and 504-point USCG approved systems
Related models
- MS-FB (500-694512): surface box for the HMS-M
- MS-FD (500-694515): double-action adapter
- MS-FR (500-694513): break-glass rods, pack of 10
- MS-FK (500-694514): Allen-head reset keys, pack of 10
- MS-NY (500-694516): New York City white-stripe wall plate
Documents
FAQ
How is the HMS-M addressed?
It has no DIP switches or rotary dials. The address is set electronically with the Siemens DPU Device Program / Test Unit, which also verifies address and test functions.
Can it be converted to double action?
Yes. The MS-FD double-action adapter (500-694515) is available as an accessory.
How is it reset?
The pull-down lever stays down and locked until the hinged cover is opened and closed with the Allen reset key. One reset key and one break-glass rod ship with the station; use of the rod is optional.
How much current does it draw?
1.5 mA, active or standby, over a single pair of wires.
