Product name
Eaton DS7 Soft starter
Product Length/Depth
156 millimetre
Product height
175 millimetre
Product width
93 millimetre
Product weight
1.8 kilogram
Certifications
GB 14048.6
CSA-C22.2 No 14-05
CE
C-Tick
UL 508
UL
CSA-C22.2 No 0-M91
CSA22.2-14
UkrSEPRO
CSA
IEC/EN 60947-4-2
Catalog Notes
Ambient Operating Temperature up to 60 at 2% derating per Kelvin temperature rise
External Reversing starter solution required
Regulator supply: External supply voltage
Fitted with:
Internal bypass contacts
Internal bypass
Functions
Single direction
Soft start function
Current limitation, with PKE
Min. ramp time 1 s - fast switching (semiconductor contactor)
Suppression of DC components for motors
Potential isolation between power and control sections
Suppression of closing transients
Interfaces
SmartWire-DT (built-in)
Connection to SmartWire-DT
Yes
Degree of protection
IP20
NEMA 1
Radio interference class
Class B (EN 55011)
Suitable for
Branch circuits, (UL/CSA)
Type
Soft starter for three-phase loads
Ambient conditions, mechanical
Mounting position
Vertical
Shock resistance
8 g, 11 ms, Mechanical
Vibration resistance
2M2 to EN 60721-3-2
Climatic environmental conditions
Altitude
Above 1000 m with 1 % derating per 100 m
Max. 2000 m
Ambient operating temperature - min
-5 °C
Ambient operating temperature - max
40 °C
Ambient storage temperature - min
-25 °C
Ambient storage temperature - max
60 °C
Climatic proofing
Damp heat, constant, to IEC 60068-2-3
Damp heat, cyclic, to IEC 60068-2-30
Overload cycle
AC-53a: 3 - 5: 75 - 10
Rated operational current (Ie) at AC-53
41 A
Rated operational voltage (Ue) - min
230 V
Rated operational voltage (Ue) - max
480 V
Short-circuit protection rating
3 x 170M3013, Type „2“ coordination (additional with the fuses for coordination type „1“), Main conducting paths
NZMN1-M50/PKZM4-49, Type “1” coordination, Main conducting paths
Supply frequency
50/60 Hz, fLN, Main circuit
Voltage rating - max
480 V
Assigned motor power at 200/208 V, 60 Hz, 3-phase
10 HP
Assigned motor power at 220/230 V, 60 Hz, 3-phase
15 HP
Assigned motor power at 460/480 V, 60 Hz, 3-phase
30 HP
Rated operational power at 220/230 V, 50 Hz
11 kW
Rated operational power at 400 V, 50 Hz
22 kW
Terminal capacity (copper band)
2 x 9 x 0.8 mm, Main cables
9 x 9 x 0.8 mm, Main cables
Terminal capacity (flexible with ferrule)
1 x (0.5 - 1.5) mm², Control circuit cables
2 x (0.5 - 0.75) mm², Control circuit cables
Terminal capacity (solid)
2 x (0.5 - 1.0) mm², Control circuit cables
1 x (25 - 70) mm², Main cables
2 x (6 - 25) mm², Main cables
1 x (0.5 - 2.5) mm², Control circuit cables
Terminal capacity (solid/stranded AWG)
2 x (21 - 18), Control circuit cables
1 x (12 - 2/0), Main cables
1 x (21 - 14), Control circuit cables
Terminal capacity (stranded)
2 x (6 - 25) mm², Main cables
1 x (25 - 70) mm², Main cables
2 x (0.5 - 1.0) mm², Control circuit cables
1 x (0.5 - 1.5) mm², Control circuit cables
Screwdriver size
PZ2, 1 x 6 mm, Terminal screw, Standard screwdriver
0.6 x 3.5 mm, Terminal screws, Control circuit cables
Tightening torque
6 Nm (≤ 10 mm²)
9 Nm (> 10 mm²)
0.4 Nm, Screw terminals, Control circuit cables
Current consumption
0,6 A/50 ms, Control circuit, Regulator supply at peak performance (close bypass) at 24 V DC
50 mA, Control circuit, Regulator supply
1.6 mA, Control circuit, Digital inputs, External 24 V
Drop-out time
350 ms, Control circuit, Digital Inputs, DC operated
Drop-out voltage
0 - 3 V, DC operated
Pick-up voltage
17.3 - 27 V DC
Rated control supply voltage (Us) at AC, 50 Hz - min
0 V
Rated control supply voltage (Us) at AC, 50 Hz - max
0 V
Rated control supply voltage (Us) at AC, 60 Hz - min
0 V
Rated control supply voltage (Us) at AC, 60 Hz - max
0 V
Rated control supply voltage (Us) at DC - min
24 V
Rated control supply voltage (Us) at DC - max
24 V
Number of outputs
2 Relay Outputs (TOR, Ready)
Output voltage
250 V AC (relay outputs)
Protection
Finger and back-of-hand proof, Protection against direct contact
Rated control voltage (Uc)
24 V DC
24 V DC (-15 %/+10 %) or via SmartWire-DT
Rated operational current (Ie) at AC-11
1 A
Application
1-phase motors: No
3-phase motors: Yes
Soft starting of three-phase asynchronous motors
Current limitation
(0 - 8) x Ie, Soft start function
Delay time
0 - 30 s, Soft start function, Ramp times
Start voltage
Max. 100 %, Soft start function, Start voltage = turn-off voltage
Min. 30 %, Soft start function, Start voltage = turn-off voltage
Equipment heat dissipation, current-dependent Pvid
7 W
Heat dissipation capacity Pdiss
0 W
Heat dissipation per pole, current-dependent Pvid
0 W
Rated operational current for specified heat dissipation (In)
41 A
Static heat dissipation, non-current-dependent Pvs
7 W
10.2.2 Corrosion resistance
Meets the product standard's requirements.
10.2.3.1 Verification of thermal stability of enclosures
Meets the product standard's requirements.
10.2.3.2 Verification of resistance of insulating materials to normal heat
Meets the product standard's requirements.
10.2.3.3 Resist. of insul. mat. to abnormal heat/fire by internal elect. effects
Meets the product standard's requirements.
10.2.4 Resistance to ultra-violet (UV) radiation
Meets the product standard's requirements.
10.2.5 Lifting
Does not apply, since the entire switchgear needs to be evaluated.
10.2.6 Mechanical impact
Does not apply, since the entire switchgear needs to be evaluated.
10.2.7 Inscriptions
Meets the product standard's requirements.
10.3 Degree of protection of assemblies
Does not apply, since the entire switchgear needs to be evaluated.
10.4 Clearances and creepage distances
Meets the product standard's requirements.
10.5 Protection against electric shock
Does not apply, since the entire switchgear needs to be evaluated.
10.6 Incorporation of switching devices and components
Does not apply, since the entire switchgear needs to be evaluated.
10.7 Internal electrical circuits and connections
Is the panel builder's responsibility.
10.8 Connections for external conductors
Is the panel builder's responsibility.
10.9.2 Power-frequency electric strength
Is the panel builder's responsibility.
10.9.3 Impulse withstand voltage
Is the panel builder's responsibility.
10.9.4 Testing of enclosures made of insulating material
Is the panel builder's responsibility.
10.10 Temperature rise
The panel builder is responsible for the temperature rise calculation. Eaton will provide heat dissipation data for the devices.
10.11 Short-circuit rating
Is the panel builder's responsibility. The specifications for the switchgear must be observed.
10.12 Electromagnetic compatibility
Is the panel builder's responsibility. The specifications for the switchgear must be observed.
10.13 Mechanical function
The device meets the requirements, provided the information in the instruction leaflet (IL) is observed.