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E LEC TRON I C COM PAC T STA RTE R
| M A N UA L
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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
