The HW1S-2TF20 is a 22mm IEC-style 2-position selector switch from IDEC's HW Series, designed for maintained operation with 2NO (2 normally open) contact configuration. This switch features a knob or lever handle operator with flexible mounting options and is available with either plastic or metal bezel finishes. The device incorporates locking lever removable contact blocks with finger-safe IP20 contacts as standard, along with tamperproof construction and worldwide approvals including CE, UL, CSA, CCC, and TÜV certification. The HW1S-2TF20 is commonly used in industrial control panels, machinery automation, and process control systems where reliable 2-position selection with maintained switching is required.