The BELIMO GKX24-SR is a damper actuator providing 360 in-lb of torque for HVAC systems. It features fail-safe operation upon power loss and is electronically protected against overload. The actuator is mounted directly to a damper shaft up to 1.05" in diameter. It operates in response to a DC 2...10 V control input.
Actuator is electronically protected against overload
Utilizes a brushless DC motor controlled by an ASIC
Fail-safe operation upon power loss
Product Highlights
The BELIMO GKX24-SR damper actuator provides reliable fail-safe operation for HVAC damper systems.
Product Information
Standard Information
Brand: BELIMO
Manufacturer Part Number: GKX24-SR
Country of Origin: United States
Technical Specifications
Housing
NEMA 2, IP54, UL Enclosure Type 2
Power Consumption
12 W Running, 3 W Holding
Operating Conditions
-22 F To 122 F (-30 C To 50 C)
Electrical Connections
3 ft. 10 ft. Or 16 ft. 18 GA Plenum Rated Cable With 1/2 in. Conduit Connector, Protected NEMA 2
Actuator Type
Electrical fail-safe
Angle of Rotation
95
Control Type
DC 2...10 V
Direction of Rotation (Fail-Safe)
Reversible with switch
Electrical Connection
cable
Manual Override
External push button
Power Consumption (Holding)
3 W
Power Consumption (Running)
11 W
Running Time (Fail-safe)
<35 s
Running Time (Motor)
150 s / 90B0
Running Time range (Motor)
90 or 150 s
Safety Function
YES
Torque
360 in-lb [40 Nm]
Voltage AC/DC
AC/DC 24 V
Runtime
90-150 Secs
Voltage
24vdc
Nema Rating
Nema 2
Spring Return
Elec Fail-Safe
Supply Va
21 VA
Power Supply
24 VAC,24 VDC
Humidity
max. 95% RH non-condensing
Input Impedance
100 k
(0.1 mA), 500
Position Indication
reflective visual indicator (snap on)
Shaft Diameter
1/2 in to 1.05 in round, centers on 3/4 in with insert, 1.05 in without insert
Power Supply Type
24V
Servicing
maintenance free
Running Time
150 seconds
Transformer Sizing
21 VA (class 2 power source)
Storage Temperature Range
-40 to 176
F (-40 to 80
C)
Actuator Series
GKB(X)
Ambient Temperature Range
-22 to 122
F (-30 to 50
C)
Application Type
Air
Agency Listings
cULus acc. to UL60730-1A/-2-14, CAN/CSA E60730-1:02, CE acc. to 2004/108/EC