Product Description
The Siemens GRD221.1U Fire/Smoke Actuator, engineered with precision, is a 120V, 2-position, spring return electronic damper actuator designed for fire safety systems. This unit is part of Siemens' Building Technology range, specifically crafted to ensure durability in high-demand environments.
- Compact design for space-efficient installation
- Robust construction withstands challenging conditions
- Seamlessly integrates with existing electrical and fire alarm systems
Product Highlights
The GRD221.1U actuator is UL listed for smoke control dampers or fire/smoke dampers, meeting rigorous safety standards such as UL555/555S. Its quick operation speeds—30-second opening and 15-second closing at temperatures up to 350 degrees Fahrenheit—make it suitable for emergency conditions. Ideal for various applications, this model ensures excellent reliability and performance.
Technical Specifications
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Torque: 30-lb-in
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Voltage: 120V
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Type: Rotary Actuator
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Fail-Safe Mode: Spring Return
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Product Type: Fire and Smoke Control Damper Actuator
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Warranty: 5 Years
