Siemens 3RV2032-4KA10: SIRIUS 3RV2 Motor Starter Protector
The Siemens 3RV2032-4KA10 is a high-performance, current-limiting motor starter protector from the SIRIUS 3RV2 series. Specifically designed for Size S2, this compact circuit breaker is engineered for the protection of motors and systems against short-circuits, overloads, and phase failures. It is a critical component for ensuring the operational safety of industrial machinery and preventing costly downtime due to electrical faults.
As part of the modular SIRIUS innovation system, the 3RV2032-4KA10 provides a highly reliable switching solution that integrates seamlessly with 3RT contactors, allowing for the rapid assembly of load feeders in centralized control cabinets.
Technical Specifications and Protective Features
According to the official Siemens manufacturer data sheets, the 3RV2032-4KA10 includes the following technical characteristics:
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Size: S2 (55 mm width), optimized for high power density.
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Current Setting Range: Adjustable thermal overload release from 59.0 to 70.0 Amps.
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Instantaneous Release: Fixed magnetic trip at 910 Amps for immediate short-circuit protection.
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Breaking Capacity: High switching capacity of 65 kA at 400 V AC.
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Ambient Temperature: Compensated for operation between -20 °C and +60 °C.
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Connection System: Robust screw-type terminals for secure power cabling.
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Protection Class: IP20 on the front side, suitable for finger-safe industrial installation.
Operational Advantages for Motor Protection
The 3RV2032-4KA10 offers strategic benefits for high-tier industrial power distribution:
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Integrated Functionality: Combines the functions of a circuit breaker, a disconnect switch, and an overload relay into a single device, significantly reducing required cabinet space.
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Global Compliance: Fully certified according to IEC, UL, and CSA standards, ensuring its suitability for international machinery export and global industrial projects.
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High Service Life: Engineered for mechanical and electrical durability, capable of up to 20,000 switching cycles under rated load.
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Easy Diagnostics: Features a clear three-position handle (ON-OFF-TRIPPED) for immediate visual identification of the device status and simplified fault localization.
