Siemens 3RV1021-1CA10 Manual Starter and Enclosure, Open Type, 1.8-2.5 FLA Adjustment Range by SIEMENS at Days of Revelation. MPN: 3RV1021-1CA10. Hurry! Limited time offer. Offer valid only while supplies last. Class 11 across the line manual starters and switches provide control for machinery where remote start stop control is not required.. Class 11 - 3RV manual starters are used for single and poly-phase motors up to 20HP @ 575V. Starters have bimetallic heater elements to provide class 10 overcurrent protection. Each starter has a fourth bimetallic strip that reacts only to the ambient temperature inside the control panel. This ambient compensation helps prevent the starter from nuisance tripping w
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