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Siemens GCA Series Spring Return Electric Damper Actuator

Spring Return Electric Damper Actuator
GCA Series

Designed for control of building HVAC dampers, the OpenAir GCA Series Direct Coupled, Spring Return Electric Actuators are available in 0 to 10 Vdc or 2 to 10 Vdc modulating, floating and two-position (on/off) control models.

• 24 Vac/dc compatible
• Visible position indication
• Self-centering shaft coupling
• Bidirectional fail-safe spring return
• Rugged all metal housing
• Accepts shaft diameters up to 1 (25 mm)
• Quiet, low-power operation
• Brushless DC motor technology with stall protection
• Assembled in the U.S.A.
• Manual override
• Precabled
• All modulating types contain built-in feedback Options
• Independently adjustable dual auxiliary switches
• Potentiometer for floating models
• Adjustable span and offset
• Signal inversion

Select a link under the "item" tab below to order.

Cat #CablingInput SignalStandardDual Aux. Switches Only
GCA161.1UStandard0 to 10 Vdc, 24 Vac/dcGCA161.1UGCA166.1U
GCA161.1PPlenum Cable0 to 10 Vdc, 24 Vac/dcGCA161.1PGCA166.1P
GCA151.1UStandard0 to 10 Vdc or 2 to 10 Vdc Modulating 24 Vac/dc, (Signal Inversion)GCA151.1UGCA156.1U
GCA151.1PPlenum Cable0 to 10 Vdc or 2 to 10 Vdc Modulating 24 Vac/dc, (Signal Inversion)GCA151.1PGCA156.1P
GCA121.1UStandard2-position, 24 Vac/dcGCA121.1UGCA126.1U
GCA121.1PPlenum Cable2-position, 24 Vac/dcGCA121.1PGCA126.1P
GCA221.1UStandard2-position,120 VacGCA221.1UGCA226.1U
GCA131.1UStandardFloating, 24 Vac/dcGCA131.1UGCA136.1U
GCA131.1PPlenum CableFloating, 24 Vac/dcGCA131.1PGCA136.1P

 

Operating Voltage (1–2) GCA1xx 24 Vac ±20%, 24 Vdc ±10%
GCA22x 120 Vac ±10%
Frequency 50 to 60 Hz
Power Consumption GCA15x.xx & GCA16x.xx
Running: 9 VA (7 W)
Holding: 5 VA (4 W)
GCA12x.xx AC 24 Vac/dc
Running: 8 VA (6 W)
Holding: 3 VA (3 W)
GCA22x.xx AC 120 Vac
Running: 9 VA (7 W)
Holding: 9 VA (7 W)
GCA13x.xx AC 24 Vac/dc
Running: 8 VA (6 W)
Holding: 5 VA (4 W)
Position Output Signal (9–2) GCA16x/GCA15x
Voltage-output. 0 to 10 Vdc
Max. Output Current ±1 mA
Equipment Rating for Operating Voltage, Input Signal, and Position Output Signal Class 2
Control Signal Adjustment Offset (start point) 0 to 5 Vdc
Factory setting 0 V
Span 2 to 30 Vdc
Factory setting 10 V
Position Feedback GCA132.1x 0 to 1000 Ohm <10 mA
Torque Running Torque 160 lb.-in. (18 Nm)
Spring Return 160 lb.-in. (18 Nm)
Max. Torque <380 lb.-in. (43 Nm)
Runtime for 90° operating with motor 90 seconds
Closing (on power loss) with Spring Return 15 seconds
Nominal Angle of Rotation 90°
Max. Angular Rotation 95°
Temperature Operation -25 to +130°F (-32 to +55°C)
Storage and Transport -25 to +158°F (-32 to +70°C)
Humidity 95% RH, non-condensing
Shaft Size 3/8 to 1-in. (8 to 25 mm) Dia.
1/4 to 3/4-in. (6 to 18 mm) Sq.
Min. Shaft Length 3/4-in. (20 mm)
Housing Enclosure NEMA 2
Material Die-cast Aluminum alloy
Pre-cabled Connection AWG 18
Cable Length 3 ft. (0.9 m)
Agency Approvals UL 873
cUL C22.2 No. 24-93
CE
Dimensions 12" H x 4.75" W x 2.88" D
(305 mm H x 121 mm W x 73 mm D)
Shipping Weight 4.85 lb. (2.2 kg)


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