Sierra Instruments 5 Harris Court, Building L Monterey, CA 93940
Model AT12 Actuator
Throttle Control
Overview
The AT12 is an enclosed DC motor driven fast acting mechanical throttle actuator which can be used with Sierra or 3rd party control systems. The actuator provides performance suitable for ‘pull cable' type throttle applications ranging from small two stroke engines up to heavy duty diesels and racing engines.
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Applications
Product Benefits
Specifications
The AT12 is built around a permanent magnet DC motor with a worm reduction gearbox and servo potentiometer. The specification of the AT12 and OM22 power module can be found below:
Actuator Specification
Units
Value
AT 12 Specification
Maximum Pull Force
N
130
Maximum Cable Travel
mm
92 (210 degrees)
Response Time
ms
150
0-180 Degrees Time
250
Operating Temperature
°C
-5 to 50
AT12 Dimensions (H x W x D)
120 x 220 x 120
Protection Rating
N/A
IP55 with Splash Proof Connectors
OM 22 Electrical Requirements (CADET Provides These Control Signals as Standard)
Positional Control Signal
mA
0-20
Feedback Signal (Not Required for Control)
4-20
Shutdown Signal (If removed, AT12 returns to 0%, assuming the AC supply is active)
VDC
24 (at 40mA)
Power Requirement
VAC
110/230 ±10% (Specify on Order)
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