GND221.1U | Damper Actuator | Spring Return | 120 VAC | On/Off | 53 lb-in | Siemens (OBSOLETE)
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Brand: SiemensSKU: GND221.1U
Availability: DISCONTINUED
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GND221.1U | Damper Actuator | Spring Return | 120 VAC | On/Off | 53 lb-in | Siemens (OBSOLETE)

Siemens | GND221.1U
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Overview

Details for GND221.1U

DISCONTINUED MODEL, CONTACT TECHNICAL SUPPORT FOR REPLACEMENT OPTIONS

Damper Actuator | Spring Return | 120 VAC | On/Off | 53 lb-in

OpenAir™ GND Series Electric Damper Actuator, rotary, spring return, 53 lb-in (6 Nm), 120 Vac, 2-position control, 15 sec run time, Fire/Smoke. Designed for UL Listed Smoke Control Dampers and for Combination Fire/Smoke Rated Dampers.

Description

The OpenAir direct-coupled, 2-position, spring return electronic damper actuators are UL listed for smoke control dampers or for combination fire/smoke rated dampers. Actuators are designed to operate reliably in smoke control systems requiring Underwriter’s Laboratories, Inc. UL555/555S rating when tested as an assembly with the damper and will meet requirements of UBC for 15 second opening and closing at 350°F (177°C).

Features

  • Optional built-in auxiliary switches: Fixed switch points at 5° and 85° rotation.
  • Optional built-in Electronic Fusible Link (EFL) capability with three temperature ratings; 165°F, 250°F, 350°F
  • Reversible fail-safe spring return
  • All metal housing
  • Precabled Teflon® insulated lead wires
  • Fifteen second operation at rated torque, temperature, and voltage

Fixed Dual End Switches

24 Vdc, 24 Vac to 250 Vac
6A resistive
2FLA/12 LRA
SPST
Fixed 5° and 85°

Electronic Fuse Link (24 Vac)
ASK79.165 165°F (74°C)
ASK79.212 212°F (100°F)
ASK79.250 250°F (121°C)
ASK79.350 350°F (177°C)

Specifications

Item Number GND221.1U
Brand Siemens
Actuator Type Damper
Control Input On/Off
End Switch
Spring Return Spring Return
Torque 53 lb-in
Type Damper Actuator
Voltage 120 VAC

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