Setup and Starting—Initial Configuration
S611 Soft Starter MN03901003E—January 2012 www.eaton.com 7
Protection Parameters
Note: Editing the Trip Class parameter to “OFF” will disable
overload protection.
Torque Settings and Corresponding Current Values
Start Parameter Values for Various Applications
Protection Parameter Units Min Max Default
Trip class — Off, 5 30 20
Jam trip % Off, 150 400 300
Start stall trip % Off, 150 400 200
Current imbalance % Off, 1 100 20
Under load % Off, 1 50 6
Phase loss % Off, 1 100 40
Under voltage % Off, 1 99 90
Over voltage % Off, 101 120 110
Voltage imbalance % Off, 1 20 6
Phase sequence — Off, ABC ACB ABC
Torque
Setting
Current as %
Locked Rotor Initial Motor Torque
85% 92% Maximum
71% 84% —
56% 75% —
45% 67% Default value
36% 60% —
33% 57% Wye-delta equivalent
27% 52% —
19% 44% Minimum for current limit
14% 37% —
9% 30% —
1% 10% Minimum
Application t-Start t-Stop u-Start
Breakaway
Torque Remarks
Crusher, empty at start 20s — 56% 75% Possible high inertia
Conveyor, horizontal, loaded 25s 30s 76% 150% —
Conveyor, horizontal, unloaded 25s 30s 48% 50% —
Chiller 5s — 37% 25% —
Piston compressor, unloaded 10s — 64% 100% —
Circular saw 20s — 48% 50% Possible high inertia
Ball mill 20s — 48% 50% Eccentric load
Mixer, liquids 10s — 37% 40% —
Mixer, dry materials 15s — 56% 75% —
Pump, piston 25s 30s 82% 175% Possible high starting torque
Pump, centrifugal 10s 30s 37% 25% —
Escalator 10s — 48% 50% —
Rotary compressor, unloaded 20s — 42% 35% —
Agitator 15s — 42% 35% —
Feed screw 20s — 82% 175% Possible high starting torque
Press, flywheel 25s — 76% 150% Possible high starting torque
Drier, rotating 20s — 64% 100% —
Blower, axial fan, flaps open 30s — 37% 25% —
Blower, centrifugal fan, valve open 30s — 35% 20% —
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