Phase Sequence Indicator IK 9178 Indication of phase sequence in 3-phase systems. Features . According to IEC/EN 60 255-1 . Indication of phase sequence in 3-phase systems . Without auxiliary supply . LED indicator for phase sequence . Devices available in 2 enclosure versions: IK 9178: depth 59 mm, with terminals at the bottom for installation systems and industrial distribution systems according to DIN 43 880 SK 9178: depth 98 mm, with terminals at the top for cabinets with mounting plate and cable duct . Width 17.5 mm Technical specifications Width: 17,5mm Enclosure design: Distribution board 1- / 3-phase: 3 Standard measuring range: 3 AC 400 V Measuring range max.: 3 AC 400 V Type: IK 9178 Manufacturer: E. Dold & Söhne GmbH & Co. KG Type: IK9178 3AC50/60HZ 400V Art. No.: 0049102