Efficient soft starter for asynchronous motors, reducing mechanical stress and improving machine availability.
Product ModelATS48M12Y
Product ID31759
Stock on Request
Last updated: 8/29/2026
Key Features
1
FeatureReduces mechanical stress and improves machine availability.
2
FeatureEfficiently controls asynchronous motor start-up and operation.
3
FeatureFeatures external bypass option for added flexibility.
4
FeatureOperates in a vertical position with a +/- 10 degree tolerance.
5
FeatureCompact design with a height of 35.04 inches (890 mm).
Technical Specifications
Detailed engineering parameters based on manufacturer documentation
Specifications may be subject to change without notice
Parameter
Value
Parameter
Value
Range of Product
Altistart 48
Product or Component Type
Soft starter
Product destination
Asynchronous motors
Product Specific Application
Heavy duty industry and pumps
Device short name
ATS48
Utilisation category
AC-53A
Ue power supply voltage
208...690 V - 15...10 %
power supply frequency
50...60 Hz - 5...5 %
Motor power kW
250 kW 230 V for severe applications355 kW 230 V for standard applications500 kW 400 V for severe applications630 kW 400 V for standard applications630 kW 440 V for severe applications630 kW 500 V for severe applications630 kW 525 V for severe applications710 kW 440 V for standard applications800 kW 500 V for standard applications800 kW 525 V for standard applications900 kW 660 V for severe applications900 kW 690 V for severe applications
Maximum Horse Power Rating
1000 hp 460 V for standard applications1000 hp 575 V for severe applications1200 hp 575 V for standard applications350 hp 208 V for severe applications350 hp 230 V for severe applications400 hp 208 V for standard applications450 hp 230 V for standard applications800 hp 460 V for severe applications
Positive logic Stop, Run, LI3, LI4 < 5 V <= 2 mA > 11 V, >= 5 mA
Minimum switching current
10 mA 6 V DC relay outputs
Discrete output number
2
Discrete output type
LO1) logic output 0 V common configurableLO2) logic output 0 V common configurableR1) relay outputs fault relay NOR2) relay outputs end of starting relay NOR3) relay outputs motor powered NO
Analogue output type
Current output AO 0-20 mA or 4-20 mA 500 Ohm
communication port protocol
Modbus
Connector Type
1 RJ45
Communication data link
Serial
Physical interface
RS485 multidrop
Transmission Rate
4800, 9600 or 19200 bps
Function Available
External bypass (optional)
Operating position
Vertical +/- 10 degree
Height
35.04 in (890 mm)
Width
30.3 in (770 mm)
Depth
12.4 in (315 mm)
Net Weight
253.5 lb(US) (115 kg)
Electromagnetic compatibility
Conducted and radiated emissions level A IEC 60947-4-2Damped oscillating waves level 3 IEC 61000-4-12Electrostatic discharge level 3 IEC 61000-4-2Immunity to electrical transients level 4 IEC 61000-4-4Immunity to radiated radio-electrical interference level 3 IEC 61000-4-3Voltage/current impulse level 3 IEC 61000-4-5
Relative humidity
0...95 % without condensation or dripping water IEC 60068-2-3
Ambient air temperature for operation
104...140 °F (40...60 °C) with current derating of 2 % per °C)14...104 °F (-10...40 °C) without derating)
Ambient Air Temperature for Storage
-13...158 °F (-25...70 °C)
Operating altitude
<= 3280.84 ft (1000 m) without derating> 3280.84...6561.68 ft (> 1000...2000 m) with current derating of 2.2 % per additional 100 m
ATS48M12Y Soft Starter for Asynchronous Motors - Schneider Electric | INDSLT
