ATV340D18N4S

Name: ATV340D18N4S
Brand: Schneider
SKU: ATV340D18N4S

High-performance variable speed drive for demanding applications with up to 220% nominal torque.

Product ModelATV340D18N4S

Product ID37422

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

1
FeatureHigh torque performance up to 220% nominal torque for 2 s
2
FeatureWide range of motor compatibility including asynchronous, synchronous, and reluctance motors
3
FeatureAdvanced control modes including velocity and torque control with current limitation
4
FeatureFast response times with 1 ms task cycle
5
FeatureFlexible communication options via Ethernet, Modbus TCP/IP, and more

Technical Specifications

Detailed engineering parameters based on manufacturer documentation

Specifications may be subject to change without notice

Parameter

Value

Parameter

Value

Range of Product

Altivar Machine ATV340

Product or Component Type

Variable speed drive

Product Specific Application

Machine

Mounting Mode

Cabinet mount

Variant

Standard version

communication port protocol

SercosModbus serial

Phase

3 phase

Supply frequency

50...60 Hz +/- 5 %

[Us] rated supply voltage

380...480 V - 15...10 %

Nominal output current

39.0 A

Motor power kW

22 kW normal duty18.5 kW heavy duty

Maximum Horse Power Rating

30 hp normal duty25 hp heavy duty

EMC filter

Class C3 EMC filter integrated

IP degree of protection

IP20

Discrete input number

Discrete input type

PTI safe torque off 0...30 kHz, 24 V DC 30 V)DI1...DI5 discrete input, 24 V DC 30 V)3.5 kOhm

number of preset speeds

16 preset speeds

Discrete output number

2.0

Discrete output type

Programmable output DQ1, DQ2 30 V DC 100 mA

Analogue input number

Analogue input type

AI1 software-configurable current 0...20 mA 250 Ohm 12 bitsAI1 software-configurable temperature probe or water level sensorAI1 software-configurable voltage 0...10 V DC 31.5 kOhm 12 bitsAI2 software-configurable voltage - 10...10 V DC 31.5 kOhm 12 bits

Analogue output number

Analogue output type

Software-configurable voltage AQ1 0...10 V DC 470 Ohm 10 bitsSoftware-configurable current AQ1 0...20 mA 500 Ohm 10 bits

Relay output number

Output voltage

<= power supply voltage

Relay output type

Relay outputs R1ARelay outputs R1C 100000 cyclesRelay outputs R2ARelay outputs R2C 100000 cycles

Maximum switching current

Relay output R1C resistive, cos phi = 1 3 A 250 V ACRelay output R1C resistive, cos phi = 1 3 A 30 V DCRelay output R1C inductive, cos phi = 0.4 7 ms 2 A 250 V ACRelay output R1C inductive, cos phi = 0.4 7 ms 2 A 30 V DCRelay output R2C resistive, cos phi = 1 5 A 250 V ACRelay output R2C resistive, cos phi = 1 5 A 30 V DCRelay output R2C inductive, cos phi = 0.4 7 ms 2 A 250 V ACRelay output R2C inductive, cos phi = 0.4 7 ms 2 A 30 V DC

Minimum switching current

Relay output R1B 5 mA 24 V DCRelay output R2C 5 mA 24 V DC

Physical interface

2-wire RS 485

Connector Type

3 RJ45

Method of access

Slave Modbus RTU

Transmission Rate

4.8 kbit/s9.6 kbit/s19.2 kbit/s38.4 kbit/s

Transmission frame

RTU

Number of addresses

1...247

Data format

8 bits, configurable odd, even or no parity

Type of polarization

No impedance

4 quadrant operation possible

True

Asynchronous motor control profile

Optimized torque modeVariable torque standardConstant torque standard

Synchronous motor control profile

Reluctance motorPermanent magnet motor

Pollution degree

Maximum output frequency

0.599 kHz

Acceleration and deceleration ramps

S, U or customizedLinear adjustable separately from 0.01...9999 s

Motor slip compensation

AdjustableAutomatic whatever the loadCan be suppressedNot available in permanent magnet motor law

Switching frequency

2...16 kHz adjustable4...16 kHz with derating factor

Nominal switching frequency

4 kHz

Braking to standstill

By DC injection

Brake chopper integrated

True

Line current

54.7 A 380 V without line choke heavy duty)43.4 A 480 V without line choke heavy duty)43.4 A 380 V with external line choke normal duty)35 A 480 V with external line choke normal duty)30.1 A 480 V with external line choke heavy duty)37.2 A 380 V with external line choke heavy duty)

Maximum Input Current per Phase

54.7 A

Maximum output voltage

480 V

Apparent power

33.4 kVA 480 V normal duty)36.1 kVA 480 V heavy duty)

Maximum transient current

50.6 A 60 s normal duty)59 A 60 s heavy duty)62.1 A 2 s normal duty)70 A 2 s heavy duty)

Electrical connection

Control screw terminal 0.2...2.5 mmÂ² AWG 24...AWG 12Line side screw terminal 10...25 mmÂ² AWG 8...AWG 3DC bus screw terminal 10...25 mmÂ² AWG 8...AWG 3Motor screw terminal 6...25 mmÂ² AWG 8...AWG 3

Prospective line Isc

22 kA

Base load current at high overload

39.0 A

Base load current at low overload

46.0 A

Power dissipation in W

Natural convection 21 W 380 V 4 kHz heavy duty)Forced convection 410 W 380 V 4 kHz heavy duty)Natural convection 23 W 380 V 4 kHz normal duty)Forced convection 464 W 380 V 4 kHz normal duty)

With safety function Safely Limited Speed (SLS)

True

With safety function Safe brake management (SBC/SBT)

True

With safety function Safe Operating Stop (SOS)

False

With safety function Safe Position (SP)

False

With safety function Safe programmable logic

False

With safety function Safe Speed Monitor (SSM)

False

With safety function Safe Stop 1 (SS1)

True

With sft fct Safe Stop 2 (SS2)

False

With safety function Safe torque off (STO)

True

With safety function Safely Limited Position (SLP)

False

With safety function Safe Direction (SDI)

False

Protection type

Thermal protection motorSafe torque off motorMotor phase loss motorThermal protection driveSafe torque off driveOverheating driveOvercurrent driveOutput overcurrent between motor phase and earth driveOutput overcurrent between motor phases driveShort-circuit between motor phase and earth driveShort-circuit between motor phases driveMotor phase loss driveDC Bus overvoltage driveLine supply overvoltage driveLine supply undervoltage driveInput supply loss driveExceeding limit speed driveBreak on the control circuit drive

Width

7.09 in (180.0 mm)

Height

15.2 in (385.0 mm)

Depth

9.8 in (249.0 mm)

Net Weight

22.5 lb(US) (10.2 kg)

Continuous output current

46 A 4 kHz normal duty39 A 4 kHz heavy duty

Operating altitude

<= 9842.52 ft (3000 m) with current derating above 1000m

Operating position

Vertical +/- 10 degree

Product Certifications

ULCSATÃVEACCTick

marking

Standards

IEC 61800-3IEC 61800-5-1IEC 60721-3IEC 61508IEC 13849-1UL 618000-5-1UL 508C

Assembly style

With heat sink

Electromagnetic compatibility

Electrostatic discharge immunity test level 3 IEC 61000-4-2Radiated radio-frequency electromagnetic field immunity test level 3 IEC 61000-4-3Electrical fast transient/burst immunity test level 4 IEC 61000-4-41.2/50 Âµs - 8/20 Âµs surge immunity test level 3 IEC 61000-4-5Conducted radio-frequency immunity test level 3 IEC 61000-4-6

Environmental class (during operation)

Class 3C3 according to IEC 60721-3-3Class 3S3 according to IEC 60721-3-3

Maximum acceleration under shock impact (during operation)

70 m/sÂ² at 22 ms

Maximum acceleration under vibrational stress (during operation)

5 m/sÂ² at 9...200 Hz

Maximum deflection under vibratory load (during operation)

1.5 mm at 2...9 Hz

Permitted relative humidity (during operation)

Class 3K5 according to EN 60721-3

Volume of cooling air

33814.6 Gal/hr(US) (128.0 m3/h)

Type of cooling

Forced convection

Overvoltage category

Class III

Regulation loop

Adjustable PID regulator

Noise level

56.7 dB

Ambient air transport temperature

-40...158 °F (-40...70 °C)

Ambient air temperature for operation

5...122 °F (-15...50 °C) without derating vertical position)122...140 °F (50...60 °C) with derating factor vertical position)

Ambient Air Temperature for Storage

-13...158 °F (-25...70 °C)

Isolation

Between power and control terminals