Soft starter for asynchronous motors, ideal for reducing machine operating costs and ensuring thermal protection.
Product ModelATS48C21Y
Product ID31739
Stock on Request
Last updated: 8/29/2026
Key Features
1
FeatureReduces machine operating costs by optimizing motor startup and shutdown.
2
FeatureEnsures thermal protection of the motor for extended lifespan.
3
FeatureFactory set for immediate startup, minimizing downtime.
4
FeatureEasily integrates with control systems for seamless operation.
5
FeatureDesigned to meet the requirements of demanding industrial applications.
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
110 kW 400 V for standard applications110 kW 440 V for standard applications110 kW 500 V for severe applications110 kW 525 V for severe applications132 kW 500 V for standard applications132 kW 525 V for standard applications132 kW 660 V for severe applications160 kW 660 V for standard applications160 kW 690 V for severe applications200 kW 690 V for standard applications45 kW 230 V for severe applications55 kW 230 V for standard applications90 kW 400 V for severe applications90 kW 440 V for severe applications
Maximum Horse Power Rating
125 hp 460 V for severe applications150 hp 460 V for standard applications150 hp 575 V for severe applications200 hp 575 V for standard applications50 hp 208 V for severe applications60 hp 208 V for standard applications60 hp 230 V for severe applications75 hp 230 V for standard 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
15.0 in (380 mm)
Width
12.6 in (320 mm)
Depth
10.4 in (265 mm)
Net Weight
40.1 lb(US) (18.2 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
ATS48C21Y Soft Starter for Asynchronous Motors by Schneider Electric | INDSLT
