Overload relay 47...57 A thermal for motor protection Size S2, CLASS 10 Contactor attachment Main circuit: screw Auxiliary circuit: spring-loaded terminal Manual-automatic RESET Thermal overload relay SIRIUS 3RU2 for current-dependent protection of consumers with normal start-up against excessive heating as a result of overload or phase failure.This series is particularly flexible and cost-effective. Worldwide approvals (e.g. IEC and UL/CSA) and applications in potentially explosive applications (ATEX or IEC Ex) are a matter of course.Available with various setting ranges of the overload release. They are available with screw or spring-loaded connections for quick, maintenance-free and vibration-proof connection, as well as for individual installation. The accessories are suitable for all sizes S00 to S3. Simple, efficient, always up-to-date - the SIRIUS modular system.
| Property | Value |
| Number of auxiliary contacts as normally closed: | 1 |
| Number of auxiliary contacts as normally open: | 1 |
| Adjustable current range: | 47 to 57 A |
| Max. Rated operating voltage Ue: | 690 V |
| Reset function input: | no |
| Reset function automatic: | yes |
| Reset function button: | yes |
