The IO 102-51 NR black is an announcer device designed for premises security applications. It features a black casing that suits various installation environments.
Before placing an order, review the product attributes and compatibility specifics to ensure it fits your requirements. For further information, contact Safsale.
For technical purchases, confirm that IO 102-51 NR black 277779 fits the required application and field conditions.
Check the model information, category placement, and available product details before final selection.
As part of Burglar & Fire Alarm Systems, it can support project planning, maintenance, replacement, or system buildout work.
When several similar products are available, use the model number and application notes to narrow the selection. That extra check is useful for contractors, maintenance teams, and technical buyers evaluating IO 102-51 NR black 277779 under project deadlines.
Reviews: 1
Average score: 5
Electrical Contractor
24/07/2025
Installed the IO 102-51 NR black on a commercial security system. The compact size and discreet black casing worked well with the existing setup. It was straightforward to mount, and the contact detector provides reliable alerts. Fits typical door frame installations without issues. Overall, a solid component for premises security applications.
Questions: 3
Safsale Product Desk
17/04/2026
What information from the datasheet matters most?
The administration's response:
The main points to compare are the complete model number, size, rating values, material or finish notes, mounting style, and any connection details shown by the manufacturer. These checks help confirm whether IO 102-51 NR black matches the required product specification.
Safsale Product Desk
18/01/2026
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
15/08/2025
How should this item be matched with an existing part record?
The administration's response:
Match the exact model reference, size, rating values, connection details, and manufacturer documentation against the existing part record. If the old part number has revisions or suffixes, compare those details carefully before selecting a replacement.
