Accessories 
62  Rev. D7 Jul 2017  Marathon MM 
9.9 Terminal Box 
The terminal box is designed to provide IP66 (NEMA-4) protection to the terminal block, see section 
6.2 Electrical  Installation,  page 28,  and  a  power  supply  for  the  sensor.  The  box  should  be  surface 
mounted using the flanges and holes provided. It should be mounted in such a manner to allow the free 
flow of air around the unit. Ambient temperatures should be kept within the range of 0 to 50°C (32 to 
120°F). 
Technical data for the power supply: 
AC input  100 – 240 VAC 50/60 Hz 
DC output  24 VDC / 1.1 A 
Operating temperature  -20 to 60°C (-4 to 140°F) 
Humidity  20 to 90%, non-condensing 
 
    
Figure 42: Terminal Box (RAYMAPB)