What the ratings mean for your panel
The Siemens 3VA2010-6JP32-0AA0 is a SENTRON 3VA molded case circuit breaker (MCCB) in the line-protection version, rated for a permanent current of 100 A across the full ambient range of -25 °C to 70 °C. The three-pole unit carries a rated insulation voltage of 800 V. Breaking capacity is the headline: 242 kA at 240 V, 187 kA at 415 V and 440 V, 121 kA at 500 V, and 3 kA at 690 V. Those numbers mean this MCCB can safely interrupt fault currents up to those levels without cascading upstream — critical for high-fault panels close to a large transformer or in a steel-mill distribution center where the available fault current can exceed 100 kA. The ETU550 electronic trip unit allows adjustable N-conductor protection (OFF or 20 % to 160 % of the rated current), and the unit includes a communication function for integration into a plant-wide power monitoring system. Mounting dimensions: 86 mm deep, 105 mm wide, 181 mm tall. The IP40 rating on the front means the breaker is protected against solid objects larger than 1 mm, which is standard for a panel-mounted MCCB with the door closed. Maximum power loss is 13.5 W — a figure to factor into the enclosure thermal budget if the panel is densely packed.
Integration and compliance
The 3VA2010-6JP32-0AA0 is a fixed-pattern MCCB designed for panel mounting. The 86 mm depth fits standard distribution board depths; the 105 mm width occupies three 35 mm module slots on a DIN rail or direct-mount plate. The ETU550 release provides adjustable long-time, short-time, instantaneous, and ground-fault protection curves — set these per the coordination study before commissioning. The communication function (likely PROFIBUS or PROFINET via a communication module) enables remote trip indication and current metering. No trip indicator is fitted on this variant, so fault diagnostics rely on the communication interface or a separate status contact. Storage temperature range is -40 °C to 80 °C, which covers most warehouse and shipping conditions.