26 ELECTRONIC COMPACT STARTER | MANUAL
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4 Motor protection
The electronic compact starter protects electrical three-phase motors against:
• Thermal overload
• Phase asymmetry
• Phase failure
Order code Type Thermal overload
(over current)
Phase
asymmetry
Phase
failure
1SAT115000R1011 HF0.6-ROL-24VDC Yes Yes Yes
1SAT116000R1011 HF0.6-ROLE-24VDC Yes Yes Yes
1SAT125000R1011 HF2.4-ROL-24VDC Yes Yes Yes
1SAT126000R1011 HF2.4-ROLE-24VDC Yes Yes Yes
1SAT145000R1011 HF9-ROL-24VDC Yes Yes Yes
1SAT146000R1011 HF9-ROLE-24VDC Yes Yes Yes
1SAT144000R1011 HF9-R-24VDC No No No
Table 7 HF Types with motor protection functions
The following table 8 shows the rated operational current AC-51 and AC-53a for the HF range. The maximum load, important
for overload protection, can be set. The minimum load current is important for protection against phase failure.
HF-Types/
Technical data
HF0.6-DOL-24VDC
HF0.6-DOLE-24VDC
HF0.6-ROLE-24VDC
HF0.6-ROL-24VDC
HF2.4-DOL-24VDC
HF2.4-DOLE-24VDC
HF2.4-ROLE-24VDC
HF2.4-ROL-24VDC
HF9-DOL-24VDC
HF9-DOLE-24VDC
HF9-ROLE-24VDC
HF9-ROL-24VDC
Rated operational current AC-51 (I
e
) 0.6 2.4 9
Rated operational current AC-53a (I
e
) 0.6 2.4 6.5
Minimum operational current AC-53a (I
e
) 0.075 0.18 1.5
Rated operational voltage (U
e
) 500 V AC
Rated frequency (f) 50 Hz / 60 Hz
Table 8 Minimum and maximum load current