Siemens GRD221.1U 120V 2POS S/R Fire/Smoke Actuator Building Technology

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

• Torque: 30-lb-in
• Voltage: 120V
• Type: Rotary Actuator
• Fail-Safe Mode: Spring Return
• Product Type: Fire and Smoke Control Damper Actuator
• Warranty: 5 Years