Schneider Electric Harmony XB4 Emergency Stop Push Button Switch, Metal, 40 mm Mushroom, Trigger Latching Pull, 1NO + 1NC, 22 Mount, XB4BT845, Red

Amazon

Complete emergency switching off push-button with chromium plated metal bezel Trigger action and mechanical latching operator Screw clamp terminal connections 1 NO + 1 NC contact configuration IP69, IP67, IP66, IP69K EC60536; IK03 IEC 50102 degree of protection

Radwell UK

0.87 INCH MOUNT HOLE, EXTENDED MUSHROOM HEAD, PUSHBUTTON SWITCH ONLY ROUND, RED PUSHBUTTON, NONILLUMINATED, MAINTAINED (MA), MOMENTARY (MO), SHOCK AND VIBRATION RESISTANT