DC switching ratings — where the 3RT2017-2BE42 earns its keep
At 24 V DC, this contactor is rated 10 A — that's the highest DC current in its voltage table, so it handles solenoid valves, DC brake coils, and small DC motor loads cleanly without derating.
Panel fit and mechanical endurance
At 45 mm wide, 70 mm tall, and 73 mm deep, the Size S00 footprint is the narrowest in the SIRIUS contactor range — you can pack four of these side-by-side in a 180 mm wide DIN rail section with the specified 6 mm side clearance. The mechanical life is typical 30 million operations — that's a decade-plus of continuous cycling at 750 operations per hour (AC-3), which is the rated maximum switching frequency for motor loads.
No direct cross-reference or second-source MPN is listed by Siemens — the 3RT2017 series is the standard SIRIUS offering for this frame size, and the 2BE42 variant is the spring-terminal, DC-coil version.