What is the main function of this motor protection circuit breaker?
The Siemens 3RV2011-0FA20 is a motor protection circuit breaker designed to protect motors and other electrical equipment from short circuits, overloads, and phase failures.
What type of electrical connections does this part have?
The 3RV2011-0FA20 features spring-loaded terminals for the main current circuit, with electrical connectors arranged at the top and bottom.
What is the protection class and touch protection of this part?
The Siemens 3RV2011-0FA20 has a protection class of IP20 on the front according to IEC 60529 and is finger-safe, providing touch protection for vertical contact from the front.
What are the connectable conductor cross-sections for this part?
For the 3RV2011-0FA20, the connectable conductor cross-sections for main contacts are: solid or stranded 2x (0.5 ... 4 mm²), finely stranded with core end processing 2x (0.5 ... 2.5 mm²), and finely stranded without core end processing 2x (0.5 ... 2.5 mm²). For AWG cables, the main contacts can accommodate 2x (20 ... 12).
What are the clearance and creepage distances for this part?
For the Siemens 3RV2011-0FA20, the clearance and creepage distances vary depending on the voltage. For example, at 400V and 500V, the distances are 30mm downwards, 30mm upwards, and 9mm at the side for both grounded and live parts. At 690V, the distances are 50mm downwards, 50mm upwards, 0mm backwards, 30mm at the side, and 0mm forwards for both grounded and live parts.
What is the B10 value and failure rate for this part?
The B10 value for the 3RV2011-0FA20 with a high demand rate according to SN 31920 is 5,000. The proportion of dangerous failures is 50% for both low and high demand rates. The failure rate with a low demand rate according to SN 31920 is 50 FIT.
What is the T1 value for the proof test interval or service life according to IEC 61508?
The T1 value for the Siemens 3RV2011-0FA20 is 10 years.