The MPI005O28LAWH12 is a 19mm rectangular pushbutton switch manufactured by Bulgin. It features a white actuator, a resilient latch, and a pin terminal. It is rated IP67 with a 5A, 250VAC resistance and UL, CSA, and EN60730-1 approval. The switch is suitable for use in both indoor and outdoor applications. It is resistant to extreme temperatures, dust, and chemicals, making it an ideal choice for harsh environments.