ABB 34
1MAC251744 -PG Rev. A
Issued: 03.01.2010
Motor Protection
REM615 ANSI
Product Version 2.0
Fig. 7: Flush mounting  Fig. 8:  Semi-fl ush mounting  Fig. 9: Semi-fl ush with a 
25º tilt 
21. Mounting methods
By means of appropriate mounting accessories the 
standard relay case for the 615 series relays can be  ush 
mounted, semi- ush mounted or wall mounted.  e 
 ush mounted and wall mounted relay cases can also 
be mounted in a tilted position (25°) using special 
accessories.
Further, the relays can be mounted in any standard 19” 
instrument cabinet by means of 19” mounting panels 
available with cut-outs for one or two relays. 
For the routine testing purposes, the relay cases can be 
equipped with Flexitest (FT) test switches, type FT-1 
or FT-19R, which can be mounted side by side or below 
the relay cases.
Mounting methods:
•   Flush mounting
•   Semi- ush mounting
•   Semi- ush mounting in a 25° tilt
•   Rack mounting
•   Wall mounting
•   Mounting to a 19” equipment frame
•   Mounting with Flexitest (FT) test switches to a 
19”rack
Panel cut-out for  ush mounting:  
•   Height: 6.36” ± 0.04” (161.5±1 mm)
•   Width: 6.52” ± 0.04” ( 165.5±1 mm)
22. Relay case and 
drawout unit
For safety reasons, the relay cases are provided with 
automatically operating contacts for short-circuiting the 
CT secondary circuits when a relay unit is withdrawn 
from its case.   e relay case is further provided with a 
mechanical coding system preventing current measuring 
relay units from being inserted into a relay case for a 
voltage measuring relay unit and vice versa, i.e. the relay 
cases are assigned to a certain type of relay draw-out unit.