The ASCO NUMATICS R503A2B10NA00F1 is a 26 mm, four‑way, two‑position solenoid‑pilot valve in the 503 Series, designed for pneumatic control with a spring‑return action. It is a single solenoid pilot valve with a rubber‑packed spool, 24 V DC coil, and a 4‑pin M12 electrical connector. The 503 Series offers internal or external pilot pressure supply capability and supports flush non‑locking override (FL NON LK OVERRIDE), with a high flow rate up to 1400 L/min and ISO 15407‑2 compatibility. Common applications include switching air paths for double‑acting cylinders and other pneumatic actuators in automated systems.
