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Eaton/Moeller
DS7-340SX081N0-N
Solid State Soft Start Controller
DS7-340SX081N0-N Solid State Soft Start Controller

DS7 - Frame Size 3 & 4 Shown

Voltage:  24 Vac/Vdc

DS7-340SX081N0-N — hp and kW Ratings

hp & kW Ratings - 10 Second Ramp, One Start per Hour,
300% Current Limit at 40°C

Motor
Power (hp)		 Motor
Power (kW)		 Maximum
Allowable
Breaker
Size		 Maximum
Allowable
Fuse
Size
Rated
Current
(A)		 200 V 230 V 480 V Rated
Current
(A)		 230 V 400 V
77 25 30 60 81 22 54 HKD3300 300A
Class RK5

hp & kW Ratings - 10 Second Ramp, One Start per Hour,
400% Current Limit at 40°C

Motor
Power (hp)		 Motor
Power (kW)		 Maximum
Allowable
Breaker
Size		 Maximum
Allowable
Fuse
Size
Rated
Current
(A)		 200 V 230 V 480 V Rated
Current
(A)		 230 V 400 V
52 15 20 40 56 15 30 HKD3300 300A
Class RK5

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DS7-340SX081N0-N Specifications
Rated Control Circuit Part Number
24 Vac/Vdc
110/230 Vac
24 Vdc		 DS7-340SX041N0-N
DS7-342SX041N0-N
DS7-34DSX041N0-D		 DS7-340SX055N0-N
DS7-342SX055N0-N
DS7-34DSX055N0-D		 DS7-340SX070N0-N
DS7-342SX070N0-N
DS7-34DSX070N0-D		 DS7-340SX081N0-N
DS7-342SX081N0-N
DS7-34DSX081N0-D
General
Standards IEC/EN 60947-4-2;
GB14048.6; UL508;
CSA-C22.2 No 0-M91;
CSA-C22.2 No 14-05 CE marking		 IEC/EN 60947-4-2;
GB14048.6; UL508;
CSA-C22.2 No 0-M91;
CSA-C22.2 No 14-05 CE marking		 IEC/EN 60947-4-2;
GB14048.6; UL508;
CSA-C22.2 No 0-M91;
CSA-C22.2 No 14-05 CE marking		 IEC/EN 60947-4-2;
GB14048.6; UL508;
CSA-C22.2 No 0-M91;
CSA-C22.2 No 14-05 CE marking
Certifications
marking		 UL/CE/CSA/C-Tick UL/CE/CSA/C-Tick UL/CE/CSA/C-Tick UL/CE/CSA/C-Tick
Ambient temperature
(operation) °C		 0 to 40 °C, above 40 °C
de-rate
linearly by 1%
of rated current
per Celsius to 60 °C
–40 to +40 °C for low
temperature version		 0 to 40 °C, above 40 °C
de-rate
linearly by 1%
of rated current
per Celsius to 60 °C
–40 to +40 °C for low
temperature version		 0 to 40 °C, above 40 °C
de-rate
linearly by 1%
of rated current
per Celsius to 60 °C
–40 to +40 °C for low
temperature version		 0 to 40 °C, above 40 °C
de-rate
linearly by 1%
of rated current
per Celsius to 60 °C
–40 to +40 °C for low
temperature version
Ambient temperature
(storage) °C		 –25 to 55 °C –25 to 55 °C –25 to 55 °C –25 to 55 °C
Altitude 0–1000m,
above 1000m de-rate
linearly by 2.5%
of rated current
per 100m to a
maximum of 2000m		 0–1000m,
above 1000m de-rate
linearly by 2.5%
of rated current
per 100m to a
maximum of 2000m		 0–1000m,
above 1000m de-rate
linearly by 2.5%
of rated current
per 100m to a
maximum of 2000m		 0–1000m,
above 1000m de-rate
linearly by 2.5%
of rated current
per 100m to a
maximum of 2000m
Installation Vertical Vertical Vertical Vertical
Protection class IP20 IP20 IP20 IP20
Protection class
applies to the
front and operator
control and
display elements.
Protection
type from all sides
is IP00.		 With optional covers
from the NZM
range,
protection type IP40
from all
sides can be achieved		 With optional covers
from the NZM
range,
protection type IP40
from all
sides can be achieved		 With optional covers
from the NZM
range,
protection type IP40
from all
sides can be achieved		 With optional covers
from the NZM
range,
protection type IP40
from all
sides can be achieved
Busbar tag shroud Back of hand
and finger-proof
(from front face)		 Back of hand
and finger-proof
(from front face)		 Back of hand
and finger-proof
(from front face)		 Back of hand
and finger-proof
(from front face)
Overvoltage category/
pollution degree		 II/2 II/2 II/2 II/2
Shock resistance 8g/11ms 8g/11ms 8g/11ms 8g/11ms
Vibration resistance
according
to EN 60721-3-2		 2M2 2M2 2M2 2M2
Mean heat dissipation at
rated duty cycle (W)		 7 10 13 18
Radio interference B B B B
Main Circuit
Rated
operational voltage (V)		 230–460 Vac 230–460 Vac 230–460 Vac 230–460 Vac
Mains frequency (Hz) 50/60 Hz 50/60 Hz 50/60 Hz 50/60 Hz
Rated operation current
 AC 53 (Ie)		 41 55 70 81
Motor Power Ratings
200 V (hp) 10 15 20 25
230 V (hp) 10 20 25 30
480 V (hp) 30 40 50 60
230 V (kW) 11 15 15 22
400 V (kW) 22 30 37 45
Overload cycle according
to EN 60947-4-2		 41A: AC53a; 3-5; 75-10 55A: AC53a; 3-5; 75-10 70A: AC53a; 3-5; 75-10 81A: AC53a; 3-5; 75-10
Wire Specifications
Power terminals
Single conductor—solid
or stranded (AWG)		 12–2/0 12–2/0 12–2/0 12–2/0
Terminal torque
(lb-in)		 53–80 53–80 53–80 53–80
Control signals
Single conductor—solid
or stranded (AWG)		 18–10 18–10 18–10 18–10
Terminal torque (lb-in) 11 11 11 11
Power Section
Rated impulse withstand voltage
(Uimp 1.2/ 50 s)		 4 kV 4 kV 4 kV 4 kV
Rated insulation voltage 500 500 500 500
Control Commands—Vac/Vdc
Supply voltage
control board Us nominal
(Vac/Vdc)		 20.4–26.4 20.4–26.4 20.4–26.4 20.4–26.4
Current consumption at 24 Vac/Vdc (mA) 65 65 65 65
Pick-up voltage +17.3–+27 +17.3–+27 +17.3–+27 +17.3–+27
Drop-out voltage +3–0 +3–0 +3–0 +3–0
Relay Outputs
Number of relays 2(TOR) 2 (TOR) 2 (TOR) 2 (TOR)
Maximum voltage (Vac) 250 250 250 250
Maximum current (A) 1A 1A 1A 1A
Soft Start Functions
Start ramp (s) 1–30 1–30 1–30 1–30
Stop ramp (s) 0–30 0–30 0–30 0–30
Initial voltage % line voltage
DS7-342…		 30–92% 30–92% 30–92% 30–92%
Initial voltage % line voltage
DS7-340…		 30–100% 30–100% 30–100% 30–100%
Initial voltage % line voltage
DS7-34D…		 30–92% 30–92% 30–92% 30–92%
Control Commands—Vac
Supply voltage
control board Us nominal (Vac)		 102–253 102–253 102–253 102–253
Current consumption at 24 Vac/Vdc (mA) 14 14 14 14
Pick-up voltage (Vac) 102–230 102–230 102–230 102–230
Drop-out voltage (Vac) 0–28 0–28 0–28 0–28
Relay Outputs
Number of relays 1 (TOR) 1 (TOR) 1 (TOR) 1 (TOR)
Maximum voltage (Vac) 250 250 250 250
Maximum current (A) 3A 3A 3A 3A
Soft Start Functions
Start ramp (s) 1–30 1–30 1–30 1–30
Stop ramp (s) 0–30 0–30 0–30 0–30
Initial voltage % line voltage 30–92% 30–92% 30–92% 30–92%

DS7-340SX081N0-N Dimensions
DS7, Frame Size-1 Dimensions

DS7 Part Number Selection Guide
DS7 Part Number Selection Guide

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