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Datasheet generated 2026-10-07
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Soft starter S811+, 304A, 690V (S811+T30V3S)

Eaton · Drives & Controllers · Soft Starters · Ireland · eaton.com
Part Number
S811+T30V3S  ·  HS 8504.40
Soft starter S811+, 304A, 690V (S811+T30V3S)

Technical Specifications

Manufacturer part number (MPN)S811+T30V3S
EAN / GTIN4015081654871
Sales unitpcs
Eaton catalogue number168992
Depth164.4 mm
Height322.9 mm
Width194.4 mm
Weight18.6 kg
CertificationsCCC; C-Tick; CSA; UL File No.: E202571; UL Category Control No.: NMFT; GB14048; CSA22.2-14-1995; IEC/EN 60947-4-2; UL; CE; UL 508
AltitudeAbove 2000 m with 0.5 % derating per 100 m; Max. 2000 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, constant, to IEC 60068-2-3; Damp heat, cyclic, to IEC 60068-2-30
Current consumption150 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; 1000 mA, Control circuit, Regulator supply; 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)304 A
Static heat dissipation, non-current-dependent Pvs25 W
Fault memory10 Faults
Fitted withDisplay; Internal bypass; Internal bypass contacts; Motor overload protection
FunctionsSuppression of DC components for motors; Soft start function; Overload monitoring; Min. ramp time 1 s - fast switching (semiconductor contactor); Current limitation; Single direction; Suppression of closing transients; Potential isolation between power and control sections; Underload monitoring
InterfacesModbus RTU (built-in)
ClassAdjustable
Connection to SmartWire-DTNo
Degree of protectionIP20; NEMA Other
Frame sizeT
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 30 (6 x Iₑ for 30 s); CLASS 10 (star-delta replacement); CLASS 20 (heavy starting duty 3 x Iₑ for 45 s)
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-53304 A
Rated operational voltage (Ue) - max690 V
Rated operational voltage (Ue) - min200 V
Short-circuit protection ratingNZMN3-S320, 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-phase100 HP
Assigned motor power at 220/230 V, 60 Hz, 3-phase100 HP
Assigned motor power at 460/480 V, 60 Hz, 3-phase250 HP
Assigned motor power at 600 V, 60 Hz, 3-phase300 HP
Assigned motor power at 690 V, 60 Hz, 3-phase350 HP
Assigned motor power in-delta at 690 V, 60 Hz600 HP
Rated operational power at 220/230 V, 50 Hz90 kW
Rated operational power at 400 V, 50 Hz160 kW
Rated operational power at 500 V, 50 Hz200 kW
Rated operational power at 690 V, 50 Hz250 kW
Application3-phase motors: Yes Soft starting of three-phase asynchronous motors
Delay time0 - 120 s, Soft start function, Ramp times
KickstartMax. 2000 ms (Kickstart Duration); 100% (Kickstart voltage)
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; 4 mm Hexagon socket-head screw, Terminal screw, Main cables
Terminal capacity (flexible with ferrule)2 x (1 - 2.5) mm², Control circuit cables; 1 x (2.5 - 4) mm², Control circuit cables; 1 x (70 - 240) mm², Main cables; 2 x (25 - 240) mm², Main cables
Terminal capacity (solid)2 x (1 - 2.5) mm², Control circuit cables; 1 x (70 - 240) mm², Main cables; 1 x (2.5 - 4) mm², Control circuit cables; 2 x (25 - 240) mm², Main cables
Terminal capacity (solid/stranded AWG)2 x (14 - 12), Control circuit cables; 2 x (4 - 500 kcmil), Main cables; 1 x (14 - 12), Control circuit cables; 1 x (4 - 500 kcmil), Main cables
Terminal capacity (stranded)1 x (2.5 - 4) mm², Control circuit cables; 2 x (1 - 2.5) mm², Control circuit cables; 2 x (25 - 240) mm², Main cables; 1 x (70 - 240) mm², Main cables
Tightening torque0.4 Nm, Screw terminals, Control circuit cables; 28.3 Nm (> 150 mm²); 25.5 Nm (≤ 150 mm²)
With displayYes
Rated operating voltage Ue200–690 V
Rated control supply voltage DC24 V
Release classAdjustable
Rated operation current Ie at 40 °C Tu304 A
Rated power three-phase motor, inline, at 230 V90 kW
Rated power three-phase motor, inline, at 400 V160 kW
Rated power three-phase motor, inside delta, at 230 V160 kW
Rated power three-phase motor, inside delta, at 400 V250 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