ETSO-C73

• ED Decision 2003/10/RM found in: CS-ETSO Amdt 17 - European Technical Standard Orders (Oct 2026)

#### ETSO-C73 *ED Decision 2003/10/RM* ##### **Static Electrical Power Inverter** **1 Applicability** This ETSO gives the requirements which static electrical power inverters that are manufactured on or after the date of this ETSO must meet in order to be identified with the applicable ETSO marking. **2 Procedures** 2.1 General Applicable procedures are detailed in CS-ETSO [Subpart A](#_DxCrossRefBm920220672). 2.2 Specific None. **3 Technical Conditions** 3.1 Basic 3.1.1 Minimum Performance Standard Standards set forth in the attached [Federal Aviation Administration Standard](#_DxCrossRefBm920220770), „Airborne Static Electrical Power Inverters“dated July 25, 1963. 3.1.2 Environmental Standard See CS-ETSO Subpart A paragraph 2.1. 3.1.3 Computer Software None 3.2 Specific None **4 Marking** 4.1 General Marking is detailed in CS-ETSO Subpart A paragraph 1.2; in addition to the markings required by this paragraph, the instrument must be marked to indicate: — rated terminal voltage, frequency and number of phases — rated power in volts amperes — output load power factor — maximum operating altitude. 4.2 Specific None. **5 Availability of Referenced Document** See CS-ETSO Subpart A paragraph 3.