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This is a Siemens motor protection circuit breaker (MSP) from the 3RV2 series, size S2. It is designed for motor protection with Class 10 trip characteristics. The circuit breaker can be combined with a contactor of size S2.
The circuit breaker has an insulation voltage of 690 V AC, surge voltage resistance of 6 kV, and power loss of 20 W (6.7 W per pole) in AC hot operating state. It includes an auxiliary switch for status indication. The mechanical service life is 50,000 switching cycles for both main and auxiliary contacts.
It meets shock resistance of 25g/11 ms sinusoidal per IEC 60068-2-27. Screw terminals provide secure connections. This device is intended for use in motor starter assemblies and industrial control panels.
The insulation voltage is 690 V AC (with pollution degree 3).
The surge voltage resistance is 6 kV.
The power loss is 20 W (AC hot operating state), with 6.7 W per pole.
Yes, it includes an auxiliary switch.
The mechanical service life is 50,000 switching cycles for both main and auxiliary contacts.
The shock resistance is 25g / 11 ms sinusoidal according to IEC 60068-2-27.
The circuit breaker size is S2, and it can be combined with an S2 contactor.