ABB 1SBN020301R1001 Pneumatic Timer, Current Lifecycle

The ABB 1SBN020301R1001 is a pneumatic timer relay — a time-delay device that uses a pneumatic (air-bleed) mechanism rather than an electronic RC circuit to set the delay interval. It sits in the Relays & Sockets category and is typically snapped onto a DIN rail inside a control panel, where it provides an adjustable on-delay or off-delay for sequencing motor starters, valve actuators, or conveyor interlocks. The pneumatic design means the timing is independent of the coil voltage, so the delay stays consistent even if the control supply sags — useful in industrial environments with fluctuating line power.