IDEC HW4B Metal Bezel Non-Illuminated Pushbuttons are 22mm IEC-style global pushbuttons with locking lever removable contact blocks and finger-safe IP20 contacts. The IDEC HW4B switches have metal front bezels and offer easy assembly. These pushbuttons offer worldwide approvals and tamperproof construction. The product line includes emergency stop (E-stop) switches that meet EN60947-5-5.