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Datasheet generated 2026-10-07
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Soft starter DS7, 9 A (171742)

Eaton · Drives & Controllers · Soft Starters · Ireland · eaton.com
Part Number
171742  ·  HS 8537.10
Soft starter DS7, 9 A (171742)

Eaton 171742 DS7-340SX009N0-L.

Technical Specifications

Manufacturer part number (MPN)171742
EAN / GTIN4015081680672
Sales unitpcs
Eaton catalogue number171742
Depth94 mm
Height130 mm
Width45 mm
Weight0.41 kg
CertificationsUkrSEPRO; IEC/EN 60947-4-2; CSA File No.: 2511305; CSA; UL File No.: E251034; UL 508; GB 14048.6; CSA Class No.: 321106; CSA22.2-14; CE; UL; CSA-C22.2 No 14-05; C-Tick; CSA-C22.2 No 0-M91
Mounting positionVertical
Shock resistance8 g, 11 ms, Mechanical
Vibration resistance2M2 to EN 60721-3-2
AltitudeAbove 1000 m with 1 % derating per 100 m; Max. 2000 m
Ambient operating temperature - max40 °C
Ambient storage temperature - max60 °C
Ambient operating temperature - min-40 °C
Ambient storage temperature - min-40 °C
Climatic proofingCold to EN 60068-2-1; Damp heat, cyclic, to IEC 60068-2-30; Damp heat, constant, to IEC 60068-2-3
Current consumption1.6 mA, Control circuit, Digital inputs, External 24 V; 50 mA, Control circuit, Regulator supply
Drop-out time350 ms, Control circuit, Digital Inputs, DC operated
Drop-out voltage0 - 3 V
DC operated; AC operated0 - 3 V, AC operated
Pick-up time250 ms at DC; 250 ms at AC
Pick-up voltage17.3 - 27 V DC; 17.3 - 27 V AC
Rated control supply voltage (Us) at AC
50 Hz - max24 V
Rated control supply voltage (Us) at AC
50 Hz - min24 V
Rated control supply voltage (Us) at AC
60 Hz - max24 V
Rated control supply voltage (Us) at AC
60 Hz - min24 V
Rated control supply voltage (Us) at DC - max24 V
Rated control supply voltage (Us) at DC - min24 V
Equipment heat dissipation, current-dependent Pvid0.45 W
Rated operational current for specified heat dissipation (In)9 A
Static heat dissipation, non-current-dependent Pvs0.45 W
Fitted withInternal bypass contacts; Internal bypass
FunctionsSuppression of DC components for motors; Suppression of closing transients; Min. ramp time 1 s - fast switching (semiconductor contactor); Potential isolation between power and control sections; Soft start function; Single direction
ClassOther
Connection to SmartWire-DTNo
Degree of protectionNEMA 1; IP20
Frame sizeFS1
Mains voltage - max480 V
Mains voltage - min200 V
Overvoltage categoryII
Pollution degree2
Radio interference classClass B (EN 55011)
Suitable forBranch circuits, (UL/CSA)
TypeSoft starter for three-phase loads
Voltage typeAC/DC
Number of outputs1 Relay Output (TOR)
Output voltage24 V AC/DC
ProtectionFinger and back-of-hand proof, Protection against direct contact
Rated control voltage (Uc)24 V AC; 24 V DC (-15 %/+10 %); 24 V DC
Rated operational current (Ie) at AC-111 A
Overload cycleAC-53a: 3 - 5: 75 - 10
Rated operational current (Ie) at AC-539 A
Rated operational voltage (Ue) - max480 V
Rated operational voltage (Ue) - min230 V
Short-circuit protection rating3 x 170M1362, Type „2“ coordination (additional with the fuses for coordination type „1“), Main conducting paths; PKM0-10 (+ CL-PKZ0), Type “1” coordination, Main conducting paths
Supply frequency50/60 Hz, fLN, Main circuit
Voltage rating - max480 V
Assigned motor power at 200/208 V, 60 Hz
3-phase2 HP
Assigned motor power at 220/230 V, 60 Hz
3-phase3 HP
Assigned motor power at 460/480 V, 60 Hz
3-phase5 HP
Rated operational power at 220/230 V
50 Hz2.2 kW
Rated operational power at 400 V
50 Hz4 kW
Application1-phase motors: No 3-phase motors: Yes Soft starting of three-phase asynchronous motors
Delay time0 - 30 s, Soft start function, Ramp times
Ramp/run-up time30 s
Start voltageMin. 30 %, Soft start function, Start voltage = turn-off voltage; Max. 100 %, Soft start function, Start voltage = turn-off voltage
Screwdriver sizePZ2, 1 x 6 mm, Terminal screw, Standard screwdriver; 0.6 x 5.5 mm/1 x 6 mm, Terminal screws, Control circuit cables
Terminal capacity (flexible with ferrule)1 x (0.75 - 2.5) mm², Main cables; 1 x (0.75 - 2.5) mm², Control circuit cables; 2 x (0.75 - 2.5) mm², Main cables; 2 x (0.75 - 2.5) mm², Control circuit cables
Terminal capacity (solid)2 x (0.75 - 2.5) mm², Main cables; 1 x (0.75 - 4) mm², Main cables; 1 x (0.75 - 4) mm², Control circuit cables; 2 x (0.75 - 2.5) mm², Control circuit cables
Terminal capacity (solid/stranded AWG)18 - 10, Control circuit cables; 18 - 10, Main cables
Tightening torque1.2 Nm, Screw terminals, Control circuit cables; 1.2 Nm
With displayNo
Rated operating voltage Ue230–460 V
Rated control supply voltage AC 50 Hz24 V
Rated control supply voltage AC 60 Hz24 V
Rated control supply voltage DC24 V
Rated operation current Ie at 40 °C Tu9 A
Rated power three-phase motor, inline, at 230 V2.2 kW
Rated power three-phase motor, inline, at 400 V4 kW
Rated surrounding temperature without derating40 °C
Integrated motor overload protectionNo
Voltage type for actuatingAC/DC
Internal bypassYes
Torque controlNo
Country of originUnited Kingdom

Properties

MOQ1

Cross-References

Attached Documents