Schneider Electric Square D 4491-S1-W37 Snap Action Switch is a DC-rated switch designed for precise actuation in control circuits. It is rated for 230–250 VDC and is part of the Square D family from Schneider Electric, identified by the 4491-S1-W37 configuration. This snap-action switch is typically used in automation panels and machinery control where reliable, fast switching is required in DC environments. It is suitable for panel-mounted control devices and general automation equipment that require a compact, rugged actuation component.
