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Overview

The SD-520BA/H model is a photoelectric smoke alarm, it meets the ETL standards. It is powered by 120VAC with a 9V battery backup to provide protection even during power outages. It is a multi-station alarm and can be interconnected through hardwire. It also can reduce the probability of nuisance alarms effectively.

SFS Photoelectric Smoke Alarm

Model: SD-520BA/H
Web Code: 20226297
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Seller Return Policy

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Warranty Information

Check with the manufacturer for details.

For Quebec residents: See the Availability Guarantee disclosure in the Specifications section below.

What's included:

  • Smoke Alarm and Installation Manual

- Photoelectric smoke alarm: SFS SD-520BA/H, designed for smoke detection with reduced nuisance alarms.

- Reliable power: Operates on 120V AC with a replaceable 9V battery backup for continued protection during power outages.

- Hardwired interconnection: Supports multi-station operation with compatible alarms.

- Audible and visual warning: Delivers an 85 dB(A) alarm at 10 feet, with a repeating three-beep pattern and flashing red LED during smoke detection.

- TEST/SILENCE button: Enables weekly testing and temporarily silences nuisance alarms for approximately eight minutes.

- Clear status indicators: Green and red LEDs indicate power, alarm activity, low battery, sensor faults, and end of life.

- Alarm memory: Retains a visual indication of a previous alarm event for up to 24 hours.

- Service life: Features a specified 10-year product life, an end-of-life warning, and an approximately one-year backup battery life.

- Flexible mounting: Suitable for ceiling or wall installation, with a white polycarbonate housing and IP20 protection rating.

- Certified standards: ETL-listed

- Included accessories: Mounting bracket, screws and expansion plugs, AC quick connector, and English and French instruction manuals

For Quebec residents – Disclosure under the Consumer Protection Act

In compliance with Bill 29, Best Buy and third-party sellers on Best Buy Marketplace do not guarantee the availability of replacement parts, repair services, or maintenance information for any products. Coverage provided through any Best Buy Protection programs and applicable manufacturer warranties, if any, remain in place. Please contact the manufacturer directly for information about their availability guarantee.

Shipping Charges

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Processing Time

Most items ship within 2 business days after an order is placed*. Allow additional time for shipping to your address.
*Please note: If an item you ordered becomes unavailable, you'll be notified and a full refund will be processed within 2 business days.

Shipping Area Restrictions

Shipping is not available in the following areas*:
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  • Saskatchewan (Remote)
  • Manitoba (Remote)
  • Ontario (Remote)
  • Quebec (Remote)
  • New Brunswick (Remote)
  • Nova Scotia (Remote)
  • Prince Edward Island (Remote)
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*Please note: Shipping area restrictions may vary for large items. If an item can't be shipped to your address, we'll let you know during the checkout process.
Product Category
Smart home products
Return/Exchange Period
30 days
Condition
Opened

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