Siemens SIRIUS 3RN1010-2CB00 thermistor motor protection evaluation unit, 24 V AC/DC, 1 NO + 1 NC, spring-loaded terminals, IP20, 22.5 mm width.
| Parameter | Value |
|---|---|
| Rated value (50 Hz) | 24 V |
| Rated value (60 Hz) | 24 V |
| Parameter | Value |
|---|---|
| Ingress protection (IP rating), wired | IP20 |
| Parameter | Value |
|---|---|
| Fastening method | screw and snap-on mounting |
| Width | 22.5 mm |
| Height | 94 mm |
| Depth | 91 mm |
The Siemens 3RN1010-2CB00 is a thermistor motor protection evaluation unit from the SIRIUS family, designed to monitor motor winding temperature via PTC thermistors.
IP20 rated, so it belongs in a clean, dry enclosure.
Rated ambient temperature during operation spans -25 to +60 °C, covering most industrial panel environments. The evaluation unit accepts 24 V AC or DC control voltage at 50 or 60 Hz without adjustment. The LED display version confirms status at a glance.
The official replacement is the 3RN2010-2CA30, a standard evaluation unit with AUTO reset, 1 NO + 1 NC, 24 V AC/DC, spring-type terminals.
Control supply 24 V AC/DC, one NO and one NC auxiliary contact, spring-loaded terminals, IP20, ambient temperature -25 to +60 °C, dimensions 22.5 x 91 x 94 mm.
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