3RU2146-4KB0
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3RU2146-4KB0 OVERLOAD RELAYS
The Siemens Sirius 3RU2146-4KB0 is an IEC rated thermal overload relay used for the protection of three-phase motors. SIRIUS overload relays reliably protect loads against overload, phase asymmetry and phase failure.
Class 10
Size S3
3RU2146-4KB0
SELECTION CHART:
Frame Size |
Class | For Contactor | Setting Range Amps | Catalog No. |
---|---|---|---|---|
S3 | S3 | 3RT2044, 3RT2045, 3RT2046 | 57 - 75 | 3RU2146-4KB0 |