The SPM-B10050-DR (Model 291940) is a fire alarm control device designed for rack-mount installation. It supports up to 10 zones with corresponding warning lines. The unit operates at a power level of 500 W and receives signals from the system via dry contacts (SC).
This voice notification unit integrates into warning systems labeled 'Sonar.' Its compact monoblock design simplifies installation in standard racks.
Review SPM-B10050-DR 291940 as part of the full system layout, not as an isolated part number.
Confirm the practical fit with the project scope, service conditions, and manufacturer documentation.
For US-based technical sourcing, this product belongs to Warning system «Sonar» and should be selected by application fit.
For new installations, review the equipment schedule, site conditions, and related accessories before choosing the final item. This helps reduce ordering mistakes and keeps SPM-B10050-DR 291940 aligned with the actual field requirement.
Reviews: 2
Average score: 5
Electrical Contractor
10/06/2026
Installed the SPM-B10050-DR in a mid-size commercial building's fire alarm system. The rack-mount design made integration straightforward, and it handled signals from the dry contacts reliably. The 10-zone capacity fits well for segmented warning needs in our current project. No issues encountered during setup or testing phases.
Facilities Team
18/01/2026
Installed the SPM-B10050-DR in our new rack setup for the fire alarm system. The compact design made integration straightforward, and the 10-zone capability fits our building layout well. Dry contact inputs worked reliably with existing control panels. Overall, it performed as expected without any installation issues.
Questions: 3
Safsale Product Desk
21/01/2025
What should be checked before ordering this item?
The administration's response:
Compare the full model number, listed dimensions, rating values, mounting details, and connection requirements with the project documentation. When available, review the manufacturer datasheet before ordering so the item can be matched against the required specification range.
Safsale Product Desk
03/10/2024
Is the short product title enough for final selection?
The administration's response:
The short product title is not enough for final selection. Use it as a starting point, then compare the full model reference, datasheet values, dimensional notes, and any manufacturer details before placing an order.
Safsale Product Desk
23/09/2024
Which product details should be compared first?
The administration's response:
Start with the complete model number, product category, physical size, listed rating values, and any manufacturer notes shown in the datasheet. These details help separate this item from similar catalog entries before a final order is placed.
