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Datasheet generated 2026-10-07
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Soft starter S811+, 850A, 690V (S811+V85V3S)

Eaton · Drives & Controllers · Soft Starters · Ireland · eaton.com
Part Number
S811+V85V3S  ·  HS 8504.40
Soft starter S811+, 850A, 690V (S811+V85V3S)

Technical Specifications

Manufacturer part number (MPN)S811+V85V3S
EAN / GTIN4015081655038
Sales unitpcs
Eaton catalogue number169010
Depth187.8 mm
Height420.8 mm
Width280.6 mm
Weight41.4 kg
CertificationsCSA; UL 508; C-Tick; CCC; UL File No.: E202571; IEC/EN 60947-4-2; CE; CSA22.2-14-1995; UL; UL Category Control No.: NMFT; GB14048
AltitudeMax. 2000 m; Above 2000 m with 0.5 % derating per 100 m
Ambient operating temperature - max50 °C
Ambient storage temperature - max70 °C
Ambient operating temperature - min-30 °C
Ambient storage temperature - min-50 °C
Climatic proofingDamp heat, cyclic, to IEC 60068-2-30; Damp heat, constant, to IEC 60068-2-3
Current consumption1400 mA, Control circuit, Regulator supply; 150 mA, Control circuit, Digital inputs, External 24 V; 10 A/150 ms, Control circuit, Regulator supply at peak performance (close bypass) at 24 V DC; 100 mA, Control circuit, Digital inputs, External 24 V (no-load)
Drop-out time100 ms, DC operated
Drop-out voltage0 - 3 V, DC operated
Pick-up time100 ms at DC
Pick-up voltage21.6 - 26.4 V DC
Rated control supply voltage (Us) at DC - max24 V
Rated control supply voltage (Us) at DC - min24 V
Equipment heat dissipation, current-dependent Pvid25 W
Rated operational current for specified heat dissipation (In)850 A
Static heat dissipation, non-current-dependent Pvs25 W
Fault memory10 Faults
Fitted withInternal bypass; Motor overload protection; Internal bypass contacts; Display
FunctionsMin. ramp time 1 s - fast switching (semiconductor contactor); Suppression of DC components for motors; Current limitation; Single direction; Potential isolation between power and control sections; Overload monitoring; Soft start function; Suppression of closing transients; Underload monitoring
InterfacesModbus RTU (built-in)
ClassAdjustable
Connection to SmartWire-DTNo
Degree of protectionIP00; NEMA Other
Frame sizeV
Mains voltage - max690 V
Mains voltage - min200 V
Mounting positionAs required
Overvoltage categoryII
Pollution degree3
Radio interference classClass A (EN 55011)
Rated impulse withstand voltage (Uimp)4000 V
Shock resistance15 g, Mechanical
Startup classCLASS 20 (heavy starting duty 3 x Iₑ for 45 s); CLASS 30 (6 x Iₑ for 30 s); CLASS 10 (star-delta replacement)
Suitable forBranch circuits, not as BCPD, (UL/CSA)
TypeSoft starter for three-phase loads, with control unit and pump algorithm, for 690-V grids
Voltage typeDC
Input current4 - 20 mA (Analog inputs)
Number of inputs1 (current input)
Number of outputs2 Relay Outputs (programmable)
Output voltage120 V AC/DC (relay outputs)
ProtectionFinger and back-of-hand proof, Protection against direct contact
Rated control voltage (Uc)24 V DC (-10 %/+10 %); 24 V DC
Rated operational current (Ie) at AC-113 A
Overload cycleAC-53a: 4.0 - 32: 99 - 3
Rated operational current (Ie) at AC-53850 A
Rated operational voltage (Ue) - max690 V
Rated operational voltage (Ue) - min200 V
Short-circuit protection ratingNZMN4-ME875, Type “1” coordination, Main conducting paths
Supply frequency50/60 Hz, fLN, Main circuit
Voltage rating - max690 V
Assigned motor power at 200/208 V, 60 Hz, 3-phase200 HP
Assigned motor power at 460/480 V, 60 Hz, 3-phase600 HP
Assigned motor power at 600 V, 60 Hz, 3-phase850 HP
Assigned motor power at 690 V, 60 Hz, 3-phase850 HP
Assigned motor power in-delta at 690 V, 60 Hz1300 HP
Rated operational power at 400 V, 50 Hz450 kW
Rated operational power at 500 V, 50 Hz560 kW
Rated operational power at 690 V, 50 Hz710 kW
Application3-phase motors: Yes Soft starting of three-phase asynchronous motors
Delay time0 - 120 s, Soft start function, Ramp times
Kickstart100% (Kickstart voltage); Max. 2000 ms (Kickstart Duration)
Ramp/run-up time360 s
Start voltageMax. 85 %, Soft start function, Start voltage = turn-off voltage
Screwdriver size0.6 x 3.5 mm, Terminal screws, Control circuit cables
Terminal capacity (flexible with ferrule)2 x (120 - 240) mm², Main cables; 4 x (70 - 240) mm², Main cables; 1 x (2.5 - 4) mm², Control circuit cables; 2 x (1 - 2.5) mm², Control circuit cables; 6 x (120 - 240) mm², Main cables
Terminal capacity (solid)4 x (70 - 240) mm², Main cables; 6 x (120 - 240) mm², Main cables; 1 x (2.5 - 4) mm², Control circuit cables; 2 x (1 - 2.5) mm², Control circuit cables; 2 x (120 - 240) mm², Main cables
Terminal capacity (solid/stranded AWG)2 x (4 - 500 kcmil), Main cables; 4 x (4 - 500 kcmil), Main cables; 2 x (14 - 12), Control circuit cables; 6 x (4 - 500 kcmil), Main cables; 1 x (14 - 12), Control circuit cables
Terminal capacity (stranded)1 x (2.5 - 4) mm², Control circuit cables; 2 x (1 - 2.5) mm², Control circuit cables; 2 x (120 - 240) mm², Main cables; 6 x (120 - 240) mm², Main cables; 4 x (70 - 240) mm², Main cables
Tightening torque0.4 Nm, Screw terminals, Control circuit cables
With displayYes
Rated operating voltage Ue200–690 V
Rated control supply voltage DC24 V
Release classAdjustable
Rated operation current Ie at 40 °C Tu850 A
Rated power three-phase motor, inline, at 230 V200 kW
Rated power three-phase motor, inline, at 400 V450 kW
Rated power three-phase motor, inside delta, at 230 V200 kW
Rated power three-phase motor, inside delta, at 400 V750 kW
Rated surrounding temperature without derating50 °C
Integrated motor overload protectionYes
Voltage type for actuatingDC
Internal bypassYes
Torque controlNo

Properties

MOQ1

Cross-References

Attached Documents