Schneider ATV630D22N4 — 22kW VFD Specs, Price & Selection Guide

By Abdullah Zahid
14 min read
Schneider ATV630D22N4 Altivar Process 22kW variable frequency drive for industrial pump and fan applications

Schneider ATV630D22N4 — Variable speed drive, Altivar Process ATV600, ATV630, 22kW/30hp, 380-480V, IP21/UL type 1: Complete Specifications, Price, and Selection Guide

If you have already identified the ATV630D22N4 by part number and need to validate the specs, confirm pricing, and verify availability before committing to your purchase order, this review is written for exactly that moment. The Schneider ATV630D22N4 is a 22kW/30HP three-phase AC variable frequency drive from the Altivar Process ATV600 family, rated for 380-480V input and equipped with native Modbus TCP/Ethernet, SIL 3 safe torque off, and an embedded energy monitoring dashboard — making it a well-specified choice for process pump, fan, and compressor applications where integration and energy accountability both matter.

If you have already confirmed this is the correct part, check current pricing and availability for the ATV630D22N4 at LeadTime.ca — we ship worldwide.

Who Should Buy the ATV630D22N4 — and Who Should Not

The ATV630D22N4 is the right drive when your application checks all of the following boxes:

  • Motor is rated at 22kW/30HP for normal duty or 18.5kW/25HP for heavy duty operation
  • Incoming three-phase supply is 380V, 400V, 415V, 440V, 460V, or 480V — all within the ±10% tolerance window
  • Panel layout allows vertical mounting within ±10° in a space at least 211mm wide, 546mm tall, and 232mm deep
  • System requires Modbus TCP/Ethernet or Modbus RTU (RS-485) for PLC or SCADA integration
  • Deployment environment is clean and indoor — IP21/UL type 1 enclosure protection is sufficient
  • Application is a process pump, HVAC fan, compressor, or fluid management system where variable-speed energy savings are the primary driver

If your motor is rated below 22kW, the ATV630D15N4 (15kW) or ATV630D11N4 (11kW) are the correct choices. If your motor exceeds 22kW, move to the ATV630D30N4 or higher. If the installation environment involves moisture, washdown, or significant dust ingress, IP21 is not adequate and a different protection class variant is required.

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What the ATV630D22N4 Actually Does in a Process System

The ATV630D22N4 is not simply a motor controller — it is a process-integrated variable frequency drive that converts a fixed 380-480V three-phase AC supply into a variable-frequency, variable-voltage output spanning 0.1 to 500Hz. That output range gives the drive precise authority over asynchronous motor speed, which is the foundational mechanism behind pump pressure matching, fan airflow modulation, and compressor load management without mechanical throttling or valve loss.

What separates the Altivar Process ATV600 family from general-purpose drives is the depth of process utility built into the firmware. The ATV630D22N4 carries an embedded power measurement dashboard that delivers real-time energy consumption data without requiring an external power meter or gateway. The Stop and Go function — a Schneider-specific feature — manages duty cycles by ramping the motor to a low-speed hold state during idle demand periods rather than initiating a full stop-start cycle. For pump applications, this means pressure is maintained passively without the mechanical stress of repeated motor starts. For fan applications, it means airflow is sustained at a lower velocity through trough periods without the inrush of a cold restart.

The drive also records carbon footprint data over its lifecycle — the total lifecycle figure reported in the Schneider Environmental Product Declaration is 18,535 kg CO2 eq. — which is increasingly relevant for facilities pursuing carbon reporting obligations or utility rebate qualification. SIL 3 safe torque off (STO) per IEC 61800-5-2 is integrated at the hardware level, meaning safety-critical shutdown capability is available without an additional safety relay in the control cabinet.

Typical System Architecture for the ATV630D22N4

The ATV630D22N4 sits between the upstream power distribution panel and the downstream motor, acting as the speed-and-torque authority in the drive chain. Here is the typical component flow for a networked process application:

  • Upstream: Three-phase 380-480V main disconnect breaker and optional AC harmonic mitigation reactor (Schneider-recommended, not included with drive)
  • Drive input terminals (L1, L2, L3): Accept incoming three-phase supply within 380-480V ±10%, 50-60Hz ±5%
  • ATV630D22N4: Converts to variable-frequency output, manages speed profiles across up to 16 discrete preset speeds, monitors power and energy, executes STO command on safety signal
  • Drive output terminals (U, V, W): Feed the asynchronous motor — cable run should be managed to avoid excessive length-related capacitance effects
  • PLC or SCADA controller: Communicates setpoints, speed references, and status monitoring over Modbus TCP/Ethernet or Modbus RTU (RS-485)

Where the ATV630D22N4 Gets Specified: Industries and Applications

Water utility and wastewater treatment facilities represent one of the most common deployments for the ATV630D22N4. Variable-speed pump control allows pressure zone management to track demand continuously rather than cycling fixed-speed pumps against throttling valves. The Stop and Go function sustains minimum system pressure during low-demand windows without continuous motor cycling, which extends both pump and motor service life. Reported energy savings versus fixed-speed throttled operation in pump applications are typically in the 20-40% range depending on duty cycle.

HVAC and building services engineers specify the ATV630D22N4 for cooling tower fan control and variable-air-volume supply fan applications. Modulating fan speed in response to temperature setpoints or building occupancy load allows the drive to reduce motor speed — and therefore energy draw — during partial-load conditions, which represent the majority of operating hours in most building systems.

Industrial compressor control is a third major use case. Rather than relying on load-unload valve cycles that cause pressure spikes and mechanical fatigue, the ATV630D22N4 modulates motor speed to maintain stable delivery pressure. The elimination of start-stop cycles also removes the inrush current peaks that stress both the motor windings and upstream electrical infrastructure.

Process fluid management applications — dosing, mixing, separation — benefit from the drive's three analog input channels and 16-preset-speed discrete input capability, which allows tight integration with process logic without requiring complex network commissioning in every installation.

Application Typical Deployment
Pumping station retrofit Replacing fixed-speed pump drive with ATV630D22N4 for demand-matched pressure control and energy savings
Cooling tower fan control Variable-speed fan modulation based on temperature setpoint in HVAC system
Industrial compressor Motor speed variation to replace load-unload valve cycles, reducing pressure spikes and mechanical wear
Process dosing and mixing Precise speed control for dosing pumps or agitator motors in chemical or food processing lines
Energy efficiency retrofit Installing drive on existing 22kW motor to qualify for utility rebates or carbon footprint reduction programs
OEM equipment integration Embedded in custom-built skids or packaged pump stations where Modbus TCP integration with PLC is required

Key Electrical Ratings and Physical Specifications

Specification Normal Duty Heavy Duty
Rated Motor Power 22 kW (30 HP) 18.5 kW (25 HP)
Line Current at 380V 39.6 A 34.1 A
Line Current at 480V 34.4 A 29.9 A
Input Voltage Range 380-480V three-phase ±10%
Supply Frequency 50-60 Hz ±5%
Output Frequency Range 0.1-500 Hz
Nominal Switching Frequency 4 kHz (adjustable 2-12 kHz)
Prospective Short-Circuit Current 50 kA
Enclosure / Protection IP21 per IEC 60529, UL type 1 per UL 508C
Dimensions (W x H x D) 211 mm x 546 mm x 232 mm, 14.3 kg

Full technical specifications are available on the product page at LeadTime.ca.

ATV630D22N4 vs. the Altivar 630 Family: Which Power Rating Do You Need?

Model Normal Duty Power Heavy Duty Power Best Fit
ATV630D5N4 5 kW — Small pump or fan loads up to 5kW
ATV630D11N4 11 kW (15 HP) — HVAC or general automation up to 11kW
ATV630D15N4 15 kW (20 HP) — Motor nameplate at or below 15kW
ATV630D22N4 22 kW (30 HP) 18.5 kW (25 HP) This model — process pumps, fans, compressors at 22kW
ATV630D30N4 30 kW (40 HP) — Motors rated 23-30kW
ATV630D37N4 37 kW (50 HP) — Larger pumping or compression equipment up to 37kW

If your motor nameplate reads above 22kW, the ATV630D30N4 is the correct selection — contact LeadTime.ca to confirm the right variant and check current availability.

Expert Verdict: Is the ATV630D22N4 the Right Drive for Your Project?

The ATV630D22N4 earns its position in the Altivar Process family by delivering a set of capabilities that matter specifically in utility and process environments — and doing so without requiring add-on modules for the features most buyers actually need. The combination of native Modbus TCP/Ethernet, SIL 3 safe torque off certified per IEC 61800-5-2, embedded power measurement, and the Stop and Go duty-cycle function represents genuine value for plant maintenance managers and systems integrators specifying drives for pump, fan, or compressor applications in the 22kW class. The prospective short-circuit current rating of 50kA and a switching frequency adjustable from 2 to 12kHz give this drive the electrical resilience to handle demanding industrial power environments without overspecifying into a larger frame.

Where the ATV630D22N4 has clear limits: IP21 protection ends the conversation for any installation where moisture, washdown, or significant particulate is present — this is an indoor clean-room drive and nothing in its construction changes that. The harmonic distortion figure of less than 48% THD at 80-100% load per IEC 61000-3-12 is the compliance ceiling, not the floor — and that figure requires an external AC harmonic mitigation reactor that is not included in the package. Budget and plan for that reactor during procurement, not after commissioning. Buyers needing heavy-duty operation at sustained low speeds or in ambient temperatures consistently above 40°C should verify derating carefully, as heavy duty rating drops to 18.5kW/25HP — and if your motor nameplate is at exactly 22kW in a high-ambient enclosure, the margin disappears fast. For those scenarios, the ATV630D30N4 is the more defensible specification. Buyers needing a higher IP rating from the factory should evaluate alternatives outside this specific variant.

From a procurement perspective, the ATV630D22N4 is a well-stocked SKU within the North American distributor network, with typical lead times in the 1-3 day range from authorized sources — though that should always be confirmed before quoting a project delivery date. Volume pricing is available and worth requesting if your project includes multiple drives or phased rollout across sites. For current pricing, lead time confirmation, and order placement, visit the ATV630D22N4 product page at LeadTime.ca — pricing is displayed live and the team can confirm stock before you commit.

For volume pricing or to confirm lead time before committing to a build, contact the LeadTime.ca team directly — we ship worldwide.

What Engineers Need to Know Before Ordering the ATV630D22N4

Community discussion specific to the ATV630D22N4 is thinner than for some general-purpose drives — the Altivar Process family tends to live in utility and process engineering circles where forum activity is less concentrated than in the broader automation community. What that means practically is that when buyers have specific configuration questions — particularly around harmonic compliance, Modbus TCP parameter setup, or heavy-duty derating for a given ambient — the fastest path to a reliable answer is through a specialist distributor rather than community search. This is one of those parts where the spec sheet answers most questions, but the edge cases require someone who has worked through the commissioning scenarios before.

The most consistent ordering mistake reported by engineers specifying this drive is conflating normal duty and heavy duty current ratings. The line current at 380V under normal duty is 39.6A — but under heavy duty at the same voltage it drops to 34.1A, and the motor power rating drops from 22kW to 18.5kW. Specifying breaker size or cable gauge against the wrong row in the current table creates a mismatch that surfaces at commissioning, not at the order desk. A second recurring issue is the harmonic reactor omission: buyers order the ATV630D22N4 as a standalone unit without flagging the reactor as a required accessory, then encounter nuisance trips or harmonic compliance questions after installation. Schneider's own datasheet makes the reactor recommendation explicit — treat it as a line-item requirement, not an optional accessory.

A third issue worth flagging: the IP21 rating is occasionally misread as adequate for light industrial environments with ambient humidity or airborne particulate. IP21 protects against vertically falling water drops and objects greater than 12mm — it is genuinely an indoor-clean-air rating. Any environment with cooling mist, wash-down cycles, or heavy particulate requires a different product. If you are unsure whether your site qualifies as IP21-suitable, that conversation should happen before the order is placed, not after the drive is installed. LeadTime.ca's team can help you evaluate the specification against your deployment conditions before you commit.

Wiring and Installation: What to Verify Before Energizing

  • Confirm incoming three-phase voltage at the main disconnect before connecting — all values between 380V and 480V are within spec, but actual site voltage determines the correct line current row to use for breaker and cable sizing
  • The drive must be mounted vertically within ±10° — forced convection cooling airflow depends on vertical orientation, and mounting outside this tolerance degrades thermal performance and can trigger thermal shutdown
  • Install the external AC harmonic mitigation reactor on the input side (upstream of the drive) before energizing — this is a Schneider Electric recommendation, not optional, and the reactor is not included with the drive
  • Safe torque off (STO) wiring connects to the STO terminals per the wiring diagram in the manufacturer manual — confirm STO circuit integrity before commissioning if safety function is required in your application
  • For Modbus TCP integration, configure network parameters (IP address, subnet, gateway) during commissioning and verify communication from the PLC before running the drive under load

Wrong-Part Prevention: Eight Checks Before You Submit the Purchase Order

Before confirming your order for the ATV630D22N4, work through this checklist verbatim — each item has caused a wrong-part order or a commissioning delay for buyers who skipped it:

  1. Verify actual motor power rating and duty class (normal vs. heavy duty) in motor nameplate before ordering
  2. Check incoming line voltage: is it 380V, 400V, 415V, 440V, 460V, or 480V three-phase? All are within range, verify at site
  3. Confirm supply frequency: 50Hz or 60Hz system? Standard frequency tolerance is ±5%
  4. Verify mounting orientation: drive requires vertical ±10° position; cannot be mounted horizontally or at extreme angles
  5. Confirm environmental protection class needed: IP21 is for clean, indoor use only; if moisture/dust/washdown present, wrong model
  6. Check communication requirement: does your system need Modbus TCP (Ethernet), Modbus serial (RS-485), or discrete inputs only?
  7. Verify external reactor recommendation: Schneider recommends harmonic mitigation reactor to protect drive from surges (not included)
  8. Confirm lead time tolerance: North American distributors typically stock this model, but verify 1-3 day delivery before ordering

If any item on this list is unresolved, contact the LeadTime.ca team before ordering — we can help you validate the specification against your site conditions and confirm current stock status worldwide.

Frequently Asked Questions

Is the external harmonic mitigation reactor included, and what does it cost?

The harmonic mitigation reactor is not included with the ATV630D22N4. Schneider Electric recommends it for all installations — it is not optional from a harmonic compliance standpoint, as the drive's THD is rated at less than 48% per IEC 61000-3-12 with the reactor in place. Budget for the reactor separately and confirm the compatible part number with your distributor when placing the drive order.

What is the practical difference between normal duty and heavy duty ratings for this drive?

Normal duty rates the ATV630D22N4 at 22kW continuous, drawing 39.6A at 380V. Heavy duty de-rates it to 18.5kW continuous, with line current dropping to 34.1A at 380V. Use the heavy duty rating if your motor operates continuously below 20Hz or if ambient temperature in the enclosure regularly exceeds 40°C. Using the normal duty rating in a heavy duty application without accounting for derating can result in overload faults under sustained load.

Which Modbus variants does the ATV630D22N4 support — and do I need a gateway for Ethernet?

The ATV630D22N4 supports Modbus TCP/IP over Ethernet, Modbus RTU over RS-485 serial, and Modbus ASCII. No separate gateway module is required for Ethernet integration — the Modbus TCP port is native to the drive. For non-networked control, 16 discrete input preset speeds are also available, which covers many simpler multi-speed applications without any network configuration.

Can I use the ATV630D22N4 on both 50Hz and 60Hz supply systems without hardware changes?

Yes. The drive accepts 50-60Hz supply with a ±5% tolerance and requires only a software parameter setting during commissioning to match the local grid frequency. No hardware modification is needed when moving equipment between 50Hz and 60Hz regions, which simplifies international OEM equipment builds and global retrofit projects.

What does the Stop and Go function actually do, and in which applications is it most valuable?

Stop and Go reduces energy consumption during idle or low-demand periods by ramping the motor to a low-speed hold state rather than issuing a full stop command. For pump applications, the motor maintains minimum system pressure passively during trough demand periods without a cold restart. For fan applications, minimum airflow is sustained. The function eliminates inrush current spikes from repeated start-stop cycles, reducing mechanical stress on the motor. Energy savings depend on duty cycle but are most significant in applications with frequent idle periods.

What is the rated prospective short-circuit current, and does this drive need an upstream fuse?

The ATV630D22N4 is rated for a prospective short-circuit current of 50kA per IEC 61800-5-1. Upstream overcurrent protection — correctly sized breaker or fuse — is required per standard installation practice. The correct breaker size depends on your actual site voltage and the applicable duty rating line current (39.6A at 380V normal duty, for example). Confirm breaker trip curve and wire gauge with your facility electrician based on the specific current row matching your site voltage.

Why Order Through LeadTime.ca

  • Global shipping: LeadTime.ca fulfills orders worldwide — not limited to any single region or country
  • Authorized distributor access: Sources from the authorized supply chain for Schneider Electric products, including the Altivar Process ATV600 family
  • Stock verification before you commit: Current availability for the ATV630D22N4 confirmed at order time — not estimated
  • Volume and project pricing: Contact the team for multi-unit project quotes or phased procurement programs
  • Specialist pre-order support: If any item on the wrong-part checklist is unresolved, the LeadTime.ca team can help validate specification before the order is placed

At-a-Glance Summary

  • Model: ATV630D22N4 — Altivar Process ATV600 family variable frequency drive
  • Normal duty rating: 22kW (30HP); heavy duty rating: 18.5kW (25HP)
  • Input voltage: 380-480V three-phase ±10%, 50-60Hz ±5%
  • Line current at 380V normal duty: 39.6A; at 480V normal duty: 34.4A
  • Output frequency range: 0.1-500Hz; nominal switching frequency 4kHz (adjustable 2-12kHz)
  • Prospective short-circuit current: 50kA rated per IEC 61800-5-1
  • Enclosure: IP21 per IEC 60529, UL type 1 per UL 508C — indoor clean environment only
  • Dimensions: 211mm W x 546mm H x 232mm D; net weight 14.3kg
  • Cooling: Forced convection, 215 m³/h air volume, 505W heat dissipation at 380V 4kHz
  • Communication: Modbus TCP/Ethernet, Modbus RTU (RS-485), Modbus ASCII; 16 discrete preset speeds
  • Safety: SIL 3 safe torque off certified per IEC 61800-5-2
  • THD: Less than 48% at 80-100% load per IEC 61000-3-12 (requires external reactor)
  • Key features: Stop and Go function, embedded power measurement dashboard, carbon footprint data logging
  • Typical lead time: 1-3 days from authorized North American distributors — verify before ordering

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