Overload relay 70...90 A thermal for motor protection Size S3, CLASS 10 Single installation 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 for the overload release. They are available with screw or spring-loaded connections for quick, maintenance-free and vibration-proof connection, as well as for stand-alone 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: | 70 to 90 A |
| Max. Rated operating voltage Ue: | 1000 V |
| Reset function input: | no |
| Reset function automatic: | yes |
| Reset function button: | yes |
