What this SIRIUS power contactor is
It carries a 175-280 V AC coil and includes an integrated auxiliary switch, saving a slot on the DIN rail. The contactor mounts via screw or snap-on onto 35 mm DIN rail per DIN EN 60715, and its mounting position is flexible: +/-180° rotation on a vertical surface, plus +/-22.5° tilt forward and backward.
Coil voltage and auxiliary contacts
The coil is rated 175-280 V AC, with an inrush current peak of 5 A and a holding power of 2 VA at both 50 Hz and 60 Hz. The coil terminals are screw-type, accepting 2x (0.5-1.5 mm²) or 2x (0.75-2.5 mm²) solid or stranded wire. The integrated auxiliary switch (1 N/O + 1 N/C) means you don't need a separate side-mount block for basic feedback or interlocking. That's one less SKU to stock.
Switching ratings and operating frequency
For motor switching duty (AC-3), the contactor is rated for up to 500 operating cycles per hour. For resistive loads (AC-1), it handles up to 700 cycles per hour. The mechanical life is typically 10,000,000 operations.
Environmental and physical specs
That keeps the contactor from cooking its neighbours in a crowded panel.