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Attitude Control Maneuver Electronics (ACME) Power Inverter Switch
Provides the Attitude Control and Maneuver Electronics (ACME) and horizon sensors with ac power. Spacecraft dc power is converted to 26V, 400 cps (The IGS inverter provides the primary source of ac excitation). The ACME inverter is utilized when the Inertial Measurement Unit (IMU) is off.