Technical Data; Contents Of This Chapter; The Atex-Certified Motor Thermal Protection Functions; Ptc Thermistor Relays - ABB ACS880 Series User Manual

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
Part number
Power supply A1-A2
Rated control supply voltage U
Rated control supply voltage U
Rated frequency
Typical current / power
consumption
Electrical insulation between supply circuit and
measuring circuit
Power failure buffering time
CM-MSS.41P (Push-in
terminals)
CM-MSS.41S (Screw
terminals)
s
tolerance
s
24 V AC/DC
220 ... 240 V AC
1SVR740712R1200
1SVR730712R1200
24 ... 240 V AC/DC
-15 ... +10%
15 ... 400 Hz
33 mA / 0.55 VA
11 mA / 1.6 VA
yes
20 ms
Technical data 53
6