Siemens 3RA2815-1FW10 Solid-State Off-Delayed Auxiliary Switch

The Siemens 3RA2815-1FW10 is a solid-state, off-delayed auxiliary switch designed for use with Siemens contactors and motor protection relays. It features a time range from 0.05 to 100 seconds and operates on a wide voltage input of 24-240 V AC/DC at 50/60 Hz. This auxiliary switch includes integrated varistor protection for attenuating contactor coil surges and provides one normally closed (NC) and one normally open (NO) contact. It is designed for front mounting onto 3RT20 contactors and 3RH2 contactor relays.

This solid-state switch is commonly used in automation systems requiring timed auxiliary switching functions, such as in control panels, motor control circuits, and automation logic. Its precise timing and reliable solid-state operation make it suitable for applications in general manufacturing, food and beverage processing, and material handling.

Stanlo Automation, a veteran-owned distributor, offers the Siemens 3RA2815-1FW10 for your industrial automation needs. Rely on us for genuine surplus parts, competitive pricing, and prompt delivery to keep your machinery operational and minimize downtime.