Description
The Siemens MSI-20B is a dual-action, intelligent addressable manual fire alarm pull station designed for use with Siemens MXL, IXL/ICON-1, and XL3 control panels. Built with a durable red polycarbonate housing and white raised lettering, the MSI-20B provides reliable manual fire alarm initiation with clear status indication. The pull-down lever locks in place when activated and requires reset with an Allen key, ensuring security and reliability.
Technical Specifications
| Manufacturer |
Siemens Industry, Inc. |
| Brand |
Siemens |
| Part Number |
MSI-20B |
| Type |
Manual Fire Alarm Pull Station |
| Style |
Dual-Action, Addressable |
| Color |
Red with white lettering |
| Construction |
Polycarbonate housing |
| Operation |
Lever locks until reset with Allen key |
| Protocol |
MXL, XLS |
| Programming |
DPU or FPI-32 Programmer/Tester |
| Mounting |
Surface or semi-flush |
| Dimensions |
5.50 × 4.00 × 3.00 in |
| Weight |
0.4 lbs |
| Condition |
New (also available reconditioned with 1-year warranty) |
| Unit of Measurement |
EA (Each) |
| Production Status |
Discontinued |
| Certifications |
UL Listed; USCG, FM, CSFM, NYC FD Approved |
Information About MSI-20B
The MSI-20B from Siemens Industry, Inc. is engineered for dual-action operation, requiring users to lift and pull for activation, reducing the chance of accidental alarms. It incorporates advanced microcomputer-chip technology for dependable communication with Siemens intelligent fire alarm control panels. The device supports electronic address programming via the DPU or FPI-32 Programmer/Tester, providing dynamic supervision and enhanced system reliability. Designed for either surface or semi-flush mounting, the MSI-20B is UL Listed and approved by multiple safety authorities, making it suitable for a wide range of fire protection applications.
Key Features:
- Dual-action operation: Lift cover and pull down lever to activate.
- Durable polycarbonate housing: Matte-finished red with raised white lettering.
- Clear status indication: Pull-down lever remains locked until reset.
- Reset mechanism: Hinged cover opened and closed with Allen key.
- Programmable: Compatible with DPU or FPI-32 Programmer/Tester.
- Advanced communication: Microcomputer-chip technology with dynamic supervision.
- Mounting options: Supports surface or semi-flush installation.
- Certifications: UL Listed; approved by USCG, FM, CSFM, and NYC Fire Department.
- Compatibility: Siemens MXL, IXL/ICON-1, XL3, and XLS fire alarm control panels.
- Construction: Shock- and vibration-resistant design for durability.