MSI-20B | Siemens Dual-Action Intelligent Addressable Fire Alarm Pull Station

Siemens · Fire & Life Safety

MSI-20B | Siemens Dual-Action Intelligent Addressable Fire Alarm Pull Station

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.

Brand: Siemens · Category: Fire & Life Safety

Key features

Specifications

Manufacturer part numberMSI-20B
ManufacturerSiemens Industry, Inc.
BrandSiemens
Part NumberMSI-20B
TypeManual Fire Alarm Pull Station
StyleDual-Action, Addressable
ColorRed with white lettering
ConstructionPolycarbonate housing
OperationLever locks until reset with Allen key
ProtocolMXL, XLS
ProgrammingDPU or FPI-32 Programmer/Tester
MountingSurface or semi-flush
Dimensions5.50 × 4.00 × 3.00 in
Weight0.4 lbs
ConditionNew (also available reconditioned with 1-year warranty)
Unit of MeasurementEA (Each)
Production StatusDiscontinued
CertificationsUL Listed; USCG, FM, CSFM, NYC FD Approved
Product typeManual Pull Stations

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