ATV310HD18N4E Schneider Electric Easy Altivar 310 Drive | 25 HP

Manufacturer: Schneider Electric
Product No.: ATV310HD18N4E
Condition： In stock
Product Type: Drive
Product Origin: FR
Payment: T/T, Western Union
Weight: 6300g
Shipping port: Xiamen
Warranty: 12 months

Quantity

Selected quantity: 1

Estimate delivery times: 12-26 days (International), 3-6 days (United States).

Return within 30 days of purchase. Duties & taxes are non-refundable.

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ATV310HD18N4E | Schneider Electric Easy Altivar 310 Variable Speed Drive

ATV310HD18N4E is a Schneider Electric Easy Altivar 310 variable speed drive for three-phase industrial motor control. It supports asynchronous motors rated at 18.5 kW (25 hp). Its 380–460 V supply range suits a wide range of industrial power systems.

This drive targets simple machines that require adjustable motor speed, controlled acceleration, and reliable operating protection. It combines sensorless flux vector control with quadratic V/f control. An integrated Modbus RTU interface supports communication with compatible PLCs and automation equipment.

The model ships without an EMC filter. Engineers must assess the installation's electromagnetic compatibility requirements before selecting external filtering or other mitigation measures.

01 | Engineering Snapshot

Selection Parameter	Verified Specification
Manufacturer	Schneider Electric
Product Family	Easy Altivar 310
Full Model	ATV310HD18N4E
Product Type	Variable speed drive / variable frequency drive (VFD)
Motor Application	Three-phase asynchronous motors
Rated Motor Power	18.5 kW / 25 hp
Rated Supply Voltage	380–460 V, three-phase
Supply Frequency	50/60 Hz ±5%
Continuous Output Current	39 A at 4 kHz
Maximum Transient Current	58.5 A for 60 seconds
Output Frequency Range	0.5–400 Hz
Communication	Modbus RTU over two-wire RS-485
EMC Filter	Not included
Cooling Method	Integrated fan
Protection Rating	IP20; IP40 at the top
Net Weight	6.3 kg

02 | Power Stage and Motor Control

The drive converts three-phase AC input power into variable-frequency output power. This process enables adjustable motor speed and controlled machine acceleration. The control method must match the driven machine's torque requirements.

Electrical Parameter	Specification
Line Current	55.3 A
Apparent Power	36.5 kVA
Prospective Line Short-Circuit Current	22 kA
Power Dissipation	499.6 W at rated current
Nominal Switching Frequency	4 kHz
Adjustable Switching Frequency	2–12 kHz
Speed Range	1:20
Transient Overtorque	170–200% of nominal motor torque, depending on drive rating and motor type
Braking Torque With Resistor	Up to 150% of nominal motor torque under specified high-inertia conditions
Braking Torque Without Resistor	Up to 70% of nominal motor torque
Motor Control Methods	Quadratic V/f and sensorless flux vector control
Motor Slip Compensation	Factory preset
Output Voltage	380–460 V, three-phase

Application note: The 39 A continuous output rating is a key motor-selection reference. Verify the motor nameplate current and the drive's derating requirements before commissioning.

03 | Control I/O and Signal Interface

The onboard I/O supports basic machine commands, analog references, and status signaling. Engineers can configure signal types to suit the control architecture.

Interface	Technical Details
Analog Input	One configurable input: 0–10 V, 0–5 V, or 0–20 mA
Analog Input Impedance	30 kΩ for voltage; 250 Ω for current
Analog Input Sampling	10 ms
Analog Input Linearity Error	±0.3% of maximum value
Logic Inputs	Four programmable inputs, LI1–LI4
Logic Input Voltage	24 V nominal; specified operating range 18–30 V
Logic Input Sampling	20 ms ±1 ms
Logic Input Logic	Selectable source or sink logic
Internal Logic Supply	24 V DC, 20.4–28.8 V, below 100 mA
Reference Potentiometer Supply	5 V DC, 4.75–5.25 V, below 10 mA
Analog Output	One configurable output, 0–10 V or 0–20 mA
Analog Output Resolution	8 bits
Logic Output	One specified logic output interface, LO+ and LO−
Relay Output	One protected changeover relay, R1A/R1B/R1C
Frequency Reference Resolution	10-bit analog conversion; 0.1 Hz display resolution
Reference Change Time Constant	20 ms ±1 ms

Wiring reminder: Check the complete terminal diagram before connecting control signals. Confirm source/sink logic, common terminals, and output load ratings for the intended application.

04 | Modbus RTU Integration

The integrated communication port supports Modbus RTU through a front-mounted RJ45 connector. Its physical interface uses two-wire RS-485. This interface allows compatible PLCs, HMIs, and supervisory systems to exchange drive data.

Protocol: Modbus RTU.
Physical interface: Two-wire RS-485.
Connector: Front-mounted RJ45.
Baud rates: 4,800, 9,600, 19,200, and 38,400 bit/s.
Address range: 1–247.
Read Holding Registers (03): 29 words.
Write Single Register (06): 29 words.
Write Multiple Registers (16): 27 words.
Read/Write Multiple Registers (23): 4 read words and 4 write words.
Read Device Identification (43): Supported.

For commissioning, match the PLC and drive communication settings. Confirm the device address, baud rate, frame configuration, and register mapping. Use the applicable drive communication manual to verify register meanings and command permissions.

05 | Protection and Fault Diagnosis

The drive includes several protective functions that help engineers identify common electrical and thermal problems. Actual fault messages and reset procedures depend on the drive configuration and applicable documentation.

Protection Function	Diagnostic Purpose
Input Overvoltage	Identifies supply conditions that exceed the drive's permitted limits.
Input Undervoltage	Helps identify low or unstable incoming voltage.
Output Overcurrent	Protects against excessive current between output phases and earth.
Motor Phase-to-Phase Short Circuit	Protects against specified motor output short-circuit conditions.
Input Phase Loss	Detects specified phase-loss conditions on the three-phase supply.
Overheating Protection	Responds to excessive drive temperature.
Motor Thermal Protection	Uses continuous I²t calculation to estimate motor thermal loading.

Field diagnostic workflow:

Record the displayed fault code and operating conditions before resetting the drive.
Measure the incoming supply and inspect phase balance using approved procedures.
Check motor cables, terminal tightness, and insulation condition after safe isolation.
Review acceleration time, mechanical load, and motor nameplate settings.
Check fan operation, ventilation clearance, cabinet temperature, and dust accumulation.
Review Modbus settings and control references if the drive runs locally but not remotely.

The drive does not replace external process instrumentation or a dedicated predictive maintenance system. It provides drive-related protection and communication data that can support machine fault investigation.

06 | Installation and Environmental Limits

Installation Parameter	Specification
Mounting Position	Vertical, within ±10°
Dimensions (H × W × D)	330 × 180 × 191 mm
Net Weight	6.3 kg
Power Terminal Capacity	10 mm² for L1, L2, L3, PA/+, PB, U, V, and W
Specified Tightening Torque	2.2–2.4 N·m
Storage Temperature	−25°C to +70°C
Operating Temperature	−10°C to +55°C without derating
High-Temperature Operation	55°C to 60°C with the specified top protective cover removed and 2.2% current derating per °C
Installation Altitude	Up to 1,000 m without derating
Relative Humidity	5–95%, non-condensing and without dripping water
Shock Resistance	15 gn for 11 ms, according to EN/IEC 60068-2-27
Pollution Degree	Degree 2, according to EN/IEC 61800-5-1
Dust Resistance Classification	3S2, according to EN/IEC 60721-3-3
Chemical Pollution Classification	3C3, according to EN/IEC 60721-3-3
Protection Rating	IP20 without the upper blanking plate; IP40 at the top
Cooling	Integrated fan

Installation guidance: Maintain suitable ventilation and follow the manufacturer's clearance requirements. Do not treat the IP40 top rating as full-enclosure IP40 protection. The overall installation must address dust, moisture, and electrical safety requirements.

The stated high-temperature derating applies only under the specified installation conditions. Confirm the exact derating curve and protective-cover requirements in the official installation manual.

07 | EMC and Applicable Standards

This model is supplied without an EMC filter. The complete installation must meet the electromagnetic compatibility requirements of the machine and operating environment.

EN/IEC 61800-5-1: Adjustable speed electrical power drive system safety requirements.
EN/IEC 61800-3: EMC requirements for adjustable speed electrical power drive systems.
EN/IEC 61000-4-2: Electrostatic discharge immunity, test level 3.
EN/IEC 61000-4-3: Radiated radio-frequency electromagnetic field immunity, test level 3.
EN/IEC 61000-4-4: Electrical fast transient/burst immunity, test level 4.
EN/IEC 61000-4-5: Surge immunity, test level 3.
EN/IEC 61000-4-6: Conducted disturbance immunity, test level 3.
EN/IEC 61000-4-11: Voltage dips and interruption immunity.

Use appropriate cable routing, grounding, shielding, and filtering practices where required. Confirm the selected EMC measures against the manufacturer's recommendations and the installation's compliance obligations.

08 | Equipment Fit and Application Selection

The 18.5 kW rating and configurable motor control make this drive suitable for many simple industrial machines. Final selection depends on motor current, load characteristics, braking demands, and the site's electrical conditions.

Equipment Type	Application Fit	Engineering Check
Industrial Pumps	Flow adjustment and controlled starting	Confirm pump torque profile and minimum operating speed.
Fans and Blowers	Airflow regulation and speed control	Check fan load characteristics and required control range.
Conveyors	Adjustable belt speed and ramp control	Evaluate starting torque, inertia, and stopping time.
Mixers and Agitators	Variable-speed process operation	Confirm starting load and sustained motor current.
Packaging Machinery	Speed adjustment for simple machine sequences	Verify required response time and control coordination.
Material Handling Equipment	Motor speed regulation in suitable applications	Assess braking requirements and mechanical safety.

Selection caution: This drive does not automatically suit every 18.5 kW motor. Compare rated current, overload requirements, supply conditions, braking needs, and operating temperature before purchase.

09 | Global PLC Spare HUB's Insight

From an engineering selection perspective, rated motor power alone does not determine whether a VFD will perform correctly. Motor current and load behavior often provide more useful selection evidence.

Practical example: conveyor restart under load

A conveyor may draw high current when restarting with material on the belt. The engineer should compare the motor's rated current with the drive's 39 A continuous output rating. The engineer should also review acceleration time and the required starting torque. A longer ramp may reduce starting stress when the process permits it.

Practical example: remote PLC control

A PLC may fail to control the drive even when the power stage operates normally. The engineer should verify the Modbus address, baud rate, RS-485 wiring, and command register mapping. The control source and drive operating state also require verification.

Practical example: repeated thermal trips

Repeated overheating faults may indicate poor ventilation, excessive load, or unsuitable switching settings. The engineer should check the fan, cabinet temperature, motor current, and switching frequency. Raising a protection threshold without identifying the cause can increase equipment risk.

Global PLC Spare HUB recommendation: Before ordering, collect the motor nameplate data, existing drive model, supply voltage, communication requirements, and braking details. This information supports a more reliable replacement assessment.

10 | Packaging, Shipping, and Warranty

Product: Schneider Electric Easy Altivar 310 variable speed drive, model ATV310HD18N4E.
Package quantity: One unit.
Specified package dimensions: 330 × 180 × 191 mm.
Specified package weight: 7.6 kg.
Shipping options: FedEx, UPS, and DHL, subject to destination and service availability.
Dispatch target: 24–48 hours after order confirmation, subject to stock availability and payment verification.
Warranty: 12 months under the applicable sales terms.

Confirm package contents and any required accessories before ordering. Shipping time, customs clearance, and final delivery depend on the destination and selected service.

The 12-month warranty covers eligible product issues under the agreed terms. Contact our team for the applicable coverage, exclusions, and return authorization procedure.

11 | Five Technical FAQs

Q1: How should I assess this drive for a high-inertia load?

Review the machine's acceleration requirements, stored energy, stopping time, and braking duty. The specifications list braking torque up to 150% with a braking resistor under specified conditions. Confirm resistor selection and braking limits in the manufacturer's documentation before implementation.

Q2: When should I consider another drive rating instead?

Consider a different rating when motor current exceeds the available continuous output current. Also review frequent overloads, elevated ambient temperature, high installation altitude, and demanding duty cycles. Select the drive using actual operating conditions rather than motor kilowatts alone.

Q3: What should I investigate if the motor runs unevenly at low speed?

Check motor data, control mode, load variation, and the configured minimum frequency. Sensorless flux vector control may suit applications requiring stronger speed regulation than basic V/f control. Confirm the required performance against the machine's torque and speed characteristics.

Q4: Can the drive operate reliably in a hot, enclosed cabinet?

Check cabinet airflow, ambient temperature, mounting clearances, and heat generated by adjacent equipment. The drive operates without derating up to 55°C under the specified conditions. Higher temperatures require the stated protective-cover configuration and current derating. Follow the official manual for final installation limits.

Q5: What information helps confirm a suitable replacement before purchase?

Provide the original drive model, motor nameplate photograph, incoming supply details, control wiring requirements, and communication settings. Include the braking resistor arrangement if the application uses one. Our team can review these details and identify questions that require confirmation against Schneider Electric documentation.

Request Pricing and Availability

Need a Schneider Electric ATV310HD18N4E for a new machine or replacement project? Contact Global PLC Spare HUB for a quotation, stock confirmation, and shipping options.

Request pricing for your required quantity.
Confirm availability and estimated dispatch time.
Provide motor and system details for a compatibility review.
Choose FedEx, UPS, or DHL where available.

Send your inquiry today with the model number, destination country, and application details. Our team will help you evaluate the product against your technical requirements.

12-Month Comprehensive Warranty

Every part supplied by Global PLC Spare Hub is covered by a 12-month warranty from the date of invoice.

Coverage: Functional defects and hardware failures under normal operating conditions.
Commitment: We provide immediate repair, replacement, or a full refund for any verified defective components to minimize your operational downtime.

Returns & Exchange Policy

We offer a 30-day return policy to ensure you receive the exact part your system requires.

Eligibility: Returns are accepted for uninstalled items in their original, factory-sealed packaging.
RMA Process: Please contact our support team to obtain a Return Merchandise Authorization (RMA) number before shipping.
Fast Processing: Refunds or exchanges are processed within 3–5 business days after the returned item passes our technical inspection.

Need Technical Assistance?Not sure if this part is compatible with your system? [Consult our Engineers] before purchasing to ensure 100% compatibility.