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Doorbell SDB111
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Home Access Control Doorbell SDB111
PIR Infrared Sensor – wired
PIR Infrared Sensor – wired $69.95
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Photoelectric safety sensor BFT FL130
Photoelectric safety sensor BFT FL130 $167.85

Doorbell SDB111

$25.00

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Category: Access Control Tags: doorbell, gate automation, gate motor, Gate opener, gate operator, gates, Royal gates, SDB111
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Description

Doorbell SDB111

DC12V

A “doorbell SDB111 – 12V” typically refers to a wired doorbell system that operates on a 12-volt DC power supply. 

This means it requires a 12-volt DC power source, often provided by a transformer that steps down the main household voltage. These doorbells, SDB111, are commonly used for security access control in homes, offices, and other buildings. 

Here’s a more detailed explanation:
  • Voltage and Power:

    Doorbell systems, including those labeled as “12V,” generally operate on low voltage for safety reasons. The 12V refers to the direct current (DC) voltage needed to power the doorbell. 

  • Wired vs. Wireless:

    “12V” typically indicates a wired doorbell, meaning it’s connected to a power source via wires. In contrast, wireless doorbells often use batteries. 

  • Transformer:

    While some doorbells might be powered by adapters, many wired 12V doorbells rely on a transformer to convert the standard household voltage (usually 120V AC) to the 12V DC required by the doorbell. 

  • Functionality:

    12V wired doorbells are designed for reliable access control, providing a clear “ding-dong” or other chime sound when the doorbell button is pressed. They are often chosen for their durability and ability to function continuously without needing battery replacements. 

  • Installation:

    These doorbells can be installed with screws or double-sided adhesive tape, and they often come with wiring diagrams to guide the installation process. 

  • Security:
    12V wired doorbells are considered a good security measure because they are external and can be easily integrated with other security systems. 
Additional information
Weight 0.2 kg
Dimensions 10 × 7 × 4 cm
Model

SDB111

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Universal light with barriers for any door design automation. The range can be reduced to 30% in bad weather conditions: fog, rain, dust, etc. Compatible with all models of gate openers, such as single swing, double swing, and sliding gates. When someone passes the infrared region, the detector will send an alarm signal to the control board(which is not included).
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We are proud to provide you with driveway gate operator services and accessories. We have more than 28 years of experience in selling, installing, maintaining, and repairing electronic accessories for homes with the latest technology.
• #100 - 11538 132a St, Surrey, BC, V3R 7S2
• Sales Dep.: (778)384-2800
• Service Dep.: (778)561-4530
• info@retcc.ca

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