SIEMENS Rotary Air Damper Actuator, GDB141.1E, GDB146.1E, GDB341.1E, GDB346.1E, GDB161.1E, GDB361.1, GLB141.1E, GLB146.1E, GLB341.1E,GLB346.1E, GLB161.1E, GEB141.1E, GEB146.1E, GEB341.1E, GEB346.1E, GEB161.1E, GEB166.1E, GBB131.1E, GBB136.1E, GBB146.1E, GBB331.1E, GBB161.1E, GIB131.1E, GIB331.1E, GIB161.1E, GIB136.1E, GIB336.1E, GIB166.1E, ASC77.2E, ASK77.3, GLB181.1E/3, GDD141.1E, GDD146.1E, GDD161.1E, GDA141.1E, GDA146.1E, GDA161.1E, GLD141.1E, GLD146.1E, GLD161.1E, GLA141.1E, GLA146.1E, GLA161.1E