supply of spring loaded switch momentary release hand operated mushroom head non-latchingspring loaded switch momentary release hand operated mushroom head non-latching,spring loaded switch momentary release hand operated mushroom head non-latching push button switch without enclosure; front dimension 39mm, cut out 22.5mm, colour : blue as per clw spec. clw/es/3/0072 alt. i embossing confirming to rdso/2024/el/ms/0505 (rev 0). note- interlock/contact ele ment along with bezel with any actuator of same series should have undergone through vibration test iec60068-2-6 with in lasr 3 years through nabl approved laboratory. [ warranty period: 30 months after the date of delivery ] ] => limited