Technical data
Contents of this chapter
This chapter contains the technical specifications of the protection functions. It also gives
general rules, notes and definitions related to safety functions and lists related standards.
The ATEX compliance markings and certificates are also included.
The ATEX-certified motor thermal protection functions
Response time: < 200 ms
PTC thermistor relays
￭ ABB CM-MSS.41
Ordering information
1SVR740712R1200CM-MSS.41P (Push-in
terminals)
Part number
1SVR730712R1200CM-MSS.41S (Screw
terminals)
Power supply A1-A2
24 … 240 V AC/DCRated control supply voltage U
s
-15 … +10%Rated control supply voltage U
s
tolerance
15 … 400 HzRated frequency
33 mA / 0.55 VA24 V AC/DCTypical current / power
consumption
11 mA / 1.6 VA220 … 240 V AC
yesElectrical insulation between supply circuit and
measuring circuit
20 msPower failure buffering time
6
Technical data 53
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