Siemens 3RV2031-4UA10 is a SIRIUS 3RV2 series 3-pole motor protection circuit breaker (MSP), with S2 size, adjustable overload protection current of 32-40A, Class 10 tripping, rated voltage of 690VAC, short-circuit breaking capacity of 65kA (400VAC)/4kA (690VAC), IP20 protection, screw terminal, DIN rail mounting. The following provides detailed parameter descriptions.
Basic attribute: Product type: SIRIUS 3RV2 series 3-pole motor protection circuit breaker, thermal-magnetic tripping, S2 size, dimensions of width × height × depth 55×130×149mm, no auxiliary contacts, rotary handle with locking and trip indication.
Installation and wiring: 35mm standard DIN rail clip-in installation; top/bottom screw terminals, compatible with conductors ranging from 10-35mm², capable of accepting 2×(6-2) AWG conductors.
Protection and Environment: IP20 protection; Operating temperature -20°C to +60°C, storage/transportation -50°C to +80°C, relative humidity 10%-95%, insulation voltage 690VAC, impact voltage resistance 6kV, installation altitude up to 2000m.
Electrical performance rated parameters: 690VAC, 50/60Hz; overload protection current adjustable from 32-40A, instantaneous short-circuit tripping response current 585A (approximately 13 times the maximum overload setting current), with phase loss protection and temperature compensation.
Breaking capacity and category: Short-circuit breaking capacity (Icu) of 65kA at 400VAC and 4kA at 690VAC; utilization category AC-3, tripping class Class 10 (IEC 60947-4-1).
Certified Rating: Under UL/CSA standards, the full-load current rating of a three-phase AC motor is 40A at both 480V and 600V; corresponding power references are: 230V 11kW, 400V 18.5kW, and 600V 22kW.
Safety and mechanical lifespan (B10 value, high demand rate, SN 31920) is 50,000 cycles; the proportion of dangerous failures (low/high demand rate, SN 31920) is 50%.
Insulation and Immunity: Insulation voltage of 690VAC, impulse voltage withstand capability of 6kV, and insulation distance meeting the safety requirements of the 690V system.
Certifications: CE, UL, CSA, CCC, ATEX, EAC, RoHS compliant.