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The Siemens 3RV20111KA15 is a size S00 circuit breaker specifically designed for motor protection applications. It features a thermal overload release with an adjustable current response value ranging from 9 to 12.5 A, ensuring reliable protection for motors.
This 3-pole breaker operates at a rated voltage of up to 690V and has an operational current rating of 12.5A at 400V (AC-3 and AC-3e). It provides a maximum short-circuit breaking capacity of 100 kA at 240V AC. The breaker includes auxiliary contacts, with 1 normally open (NO) and 1 normally closed (NC) contact, suitable for signaling and control circuits.
Designed for standard switching capacity, the 3RV20111KA15 is mounted on a DIN rail. It operates within an ambient temperature range of -20 to +60 °C and has a mechanical and electrical endurance of typically 100,000 switching cycles. The breaker is also certified according to ATEX directive 2014/34/EU for use in potentially explosive atmospheres.
The operating voltage is rated from 20 V to 690 V AC, with a maximum of 690 V at AC-3 and AC-3e.
It is designed for DIN rail mounting.
The ambient temperature during operation is -20 °C to +60 °C.
The adjustable current response value is 9 A to 12.5 A.
It has 1 normally open (NO) and 1 normally closed (NC) auxiliary contact. At AC-15, the NO/NC contacts are rated 2 A at 24 V and 0.5 A at 230 V. At DC-13, they are rated 1 A at 24 V and 0.15 A at 60 V.
Yes, it includes phase failure detection.