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Product Features
Technical Overview
This 20-watt siren operates on 12 V DC power, making it compatible with most security system power configurations. The device produces 110 dB of sound pressure, which creates an effective audible alert that can be heard across substantial distances in both residential and commercial environments.
The SD-20W is engineered for reliable performance in security applications where consistent audible notification is essential. Its DC power operation ensures stable performance without the complexity of AC power conversion, simplifying installation and reducing potential points of failure in the security system.
Relevant factors for this section include Alarm Type, Sound Emission, Input Voltage, Power Source. When those points are considered together, they give buyers a clearer picture of how the product is equipped, how it fits into deployment, and what kind of day-to-day role it is meant to support.
Key Product Advantages
The DSC SD-20W provides distinct advantages for security system integrators and end-users requiring reliable audible notification. Its 110 dB output ensures the alarm signal is clearly audible, while the 12 V DC power compatibility simplifies integration with existing security infrastructure.
High-Performance Audible Output
With 110 dB sound emission, this siren delivers audible alerts that are clearly discernible in various environments, from residential properties to commercial facilities.
- Effective audible range
- Clear alarm notification
- Security-grade output level
Standard Power Compatibility
The 12 V DC power requirement aligns with common security system power supplies, ensuring straightforward installation and reliable operation within established security ecosystems.
- Compatible with security panels
- Stable DC operation
- Simplified power wiring
Professional Integration Ready
Designed for security system applications, the SD-20W provides the performance and reliability expected in professional surveillance and alarm installations.
- Security system compatible
- Professional-grade construction
- Reliable alarm notification
Deployment / Use Cases
The DSC SD-20W 20 Watt Siren is deployed in security systems where audible notification complements visual monitoring and other security measures. Its 110 dB output makes it suitable for applications where clear audible alerts are necessary to notify occupants or deter unauthorized activity.
Common deployment scenarios include integration with burglar alarm systems, access control systems, and surveillance systems that require audible output. The siren can be used in residential security systems to alert homeowners to intrusion attempts, in commercial facilities to notify staff of security breaches, or in industrial settings where audible alarms support safety protocols.
Residential Security Systems
Integrate with home security panels to provide audible intrusion alerts that notify homeowners and potentially deter unauthorized entry attempts.
Commercial Alarm Integration
Connect to business security systems to deliver audible notifications during alarm events, supporting comprehensive security monitoring in retail, office, and industrial environments.
Physical Profile
The DSC SD-20W features a white housing measuring 5.75 inches (146.05 mm) in width and 5.25 inches (133.35 mm) in height. This compact form factor allows for flexible mounting in various locations while maintaining a discreet appearance. The neutral white finish blends with most interior and exterior surfaces, supporting both visible and concealed installation approaches based on security requirements.
The physical profile is practical for deployment planning because the dimensions and weight are clearly defined: 5.25" (133.35 mm), 5.75" (146.05 mm). This helps confirm rack, shelf, desk, or cabinet fit before installation.
- Width
- 5.75" (146.05 mm)
- Height
- 5.25" (133.35 mm)
Highlights
- 20-watt siren with 110 dB audible output
- 12 V DC power operation for security system compatibility
- White housing for neutral appearance
- Compact dimensions: 5.75" x 5.25"
- Audible alarm type for clear notification
- DC power source for stable performance
- Security-grade construction
- Professional integration ready
Specifications
| Specifications | |
|---|---|
| Manufacturer | Johnson Controls |
| Manufacturer Part Number | SD-20W |
| Brand Name | DSC |
| Product Model | SD20W |
| Product Name | 20 Watt Siren |
| Product Type | Siren |
| Technical Information | |
| Alarm Type | Audible |
| Sound Emission | 110 dB |
| Power Description | |
| Input Voltage | 12 V DC |
| Power Source | DC |
| Physical Characteristics | |
| Product Color | White |
| Height | 5.25" (133.35 mm) |
| Width | 5.75" (146.05 mm) |
FAQ
What is the sound output level of the DSC SD-20W siren?
The DSC SD-20W produces 110 dB of sound pressure, which creates a clearly audible alarm signal suitable for security applications. This output level ensures the alarm can be heard across reasonable distances in both indoor and outdoor environments, providing effective audible notification during security events.
What power does the SD-20W siren require for operation?
This siren operates on 12 V DC power, which aligns with standard security system power supplies. The DC power requirement simplifies installation and ensures compatibility with most security control panels and power distribution systems commonly used in residential and commercial security installations.
What are the physical dimensions of this siren?
The DSC SD-20W measures 5.75 inches (146.05 mm) in width and 5.25 inches (133.35 mm) in height. These compact dimensions allow for flexible mounting in various locations while maintaining a discreet profile that can blend with architectural elements or be concealed based on installation requirements.
What type of alarm does the SD-20W produce?
This device produces an audible alarm, generating sound waves at 110 dB to create a clear, attention-getting notification. The audible alarm type is designed to alert occupants to security events and potentially deter unauthorized activity through its noticeable sound output.
What color is the DSC SD-20W siren housing?
The siren features a white housing that provides a neutral, clean appearance suitable for most installation environments. The white finish allows the device to blend with interior walls, ceilings, or exterior surfaces while maintaining professional aesthetics in security system deployments.
How does this siren integrate with security systems?
The DSC SD-20W integrates with security systems through its 12 V DC power connection, which is compatible with standard security panel outputs. The siren connects to alarm output circuits on security control panels, activating when the system triggers an alarm condition to provide audible notification as part of a comprehensive security response.