This pushbutton actuator with flush green plate is part of the RMQ-Titan system of pilot devices from EATON.
78-0520
R-TECH 780520 Miniature Push to Make Switch Red
from only£0.251
75-0125
SCI TA101A1 Miniature Toggle Switch SPST On-Off
from only£1.33
78-0744
Taiwan Alpha SF12011F-0202-20R-L-011 DPDT Latching Action Foot Switch
from only£2.64
30-0531
R-TECH 300531 100 x 75 x 40 Black ABS Box
from only£1.94
37-0883
Adda AD0412MX-G70(XT1) Axial Fan Hypro Bearing 12 VDC 40 x 40 x 10mm
from only£4.46