Siemens | 3UG4512-1AR20 | Surveillance de l'ordre des phases 3x 160-690VAC 1W - Relais de surveillance de phase 160 ... 690... | Relais de surveillance de phase
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3UG4512-2BR20 Siemens, Phase Monitoring Relay, DPDT, 160 to 690 VAC | Farnell Austria