Transcription of Specifications - Rockwell Automation
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Specifications - Rockwell Automation
1489-M Circuit BreakersRockwell Automation Publication 1492-SG122B-EN-P January 201410 Electrical RatingsPoles1, 2, 3 Tripping characteristicsC, DRated current (In) ARated frequency [f ]50/60 HzRated insulation voltage Uiacc. to IEC/EN 60664-1 Phase-to-ground250V AC Phase-to-phase440V ACOvervoltage categoryIIIP ollution degree3 Data acc. to UL/CSAR atedvoltage AC1-poleC A277V A 240V ACD A277V A240V AC2-, 3-poleC A480Y/277V A 240V ACD A480Y/277V A240V ACDC1-pole48V DC2-pole96V DC (2-pole in series)Rated interrupting capacity acc. to UL 48910 kAReference temperature for tripping characteristics40 CElectrical endurance6,000 operations (AC andDC); 1 cycle (1s - ON, 9s -OFF)Data acc.
The Bulletin 1489-M device is designed to substantially reduce the amount of let-through-current and the resulting let-through-energy that can damage protected components. The Bulletin 1489-M has the ability to interrupt short circuit current within the first half cycle of the fault. Limiting let-
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