Schneider Electric ATV312HU15N4 Variable Frequency Drive – Altivar 312 Series
When a variable frequency drive fails on the production floor, the consequences are immediate and costly: motors run at fixed speed, energy consumption spikes, mechanical stress accelerates wear, and process control is lost entirely. Conveyor lines halt, pump systems lose pressure regulation, and HVAC systems revert to on/off cycling — all while downtime costs accumulate by the minute. The Schneider Electric ATV312HU15N4 is engineered to eliminate this vulnerability, delivering precise motor speed control that keeps critical industrial processes running with maximum efficiency and reliability.
The ATV312HU15N4 occupies a pivotal position within the Altivar 312 series — Schneider Electric’s purpose-built drive platform for simple machine applications requiring robust performance in a compact footprint. Rated at 1.5kW (2HP) for three-phase 380–480V supply networks, this drive is one of the most widely deployed units in the ATV312 lineup across global manufacturing, water treatment, and building automation markets. Its combination of integrated EMC filtering, embedded Modbus RTU communication, and a simplified commissioning interface has made it a benchmark product in the sub-2kW industrial drive segment worldwide.
Technical Specifications
- Model / SKU: ATV312HU15N4
- Brand: Schneider Electric
- Series: Altivar 312
- Motor Power: 1.5 kW / 2 HP
- Supply Voltage: 3-Phase, 380–480V AC, ±15%
- Output Frequency Range: 0.1–500 Hz
- Output Current (Nominal): 4.1 A
- Control Method: Voltage/Frequency (V/F) and Sensorless Flux Vector
- Communication: Modbus RTU (RS-485) — integrated
- Protection Rating: IP20 (panel-mount)
- EMC Filter: Integrated Class A
- Braking: Built-in dynamic braking transistor
- Ambient Temperature: -10°C to +50°C (operating)
- Weight: Approx. 4.46 kg
- Certifications: CE, UL, cUL, RoHS
Key Features & Benefits
- Sensorless Flux Vector Control: Delivers high starting torque (up to 200% at 0.5 Hz) without the need for an encoder, reducing system complexity and cost.
- Integrated Modbus RTU: Native RS-485 communication enables seamless integration into SCADA, PLC, and BMS networks without additional communication cards.
- Built-in EMC Filter: Class A integrated filter reduces installation footprint and ensures compliance with industrial electromagnetic compatibility standards.
- Dynamic Braking Transistor: Supports fast deceleration cycles and regenerative braking applications when paired with an external braking resistor.
- Compact DIN-Rail Compatible Design: Space-efficient enclosure simplifies panel integration in tight control cabinet environments.
- Auto-tuning Function: Automatic motor parameter identification optimizes drive performance without manual calculation.
- Comprehensive Protection: Overcurrent, overvoltage, undervoltage, overtemperature, and phase-loss protection safeguard both the drive and connected motor.
- Simple Commissioning: Intuitive keypad interface with macro-based configuration reduces setup time to minutes for standard applications.
Industry & Equipment Applications
- Pumping Systems: Water supply pumps, booster pumps, irrigation systems — precise flow control with energy savings up to 50%.
- Fan & HVAC: Air handling units, exhaust fans, cooling tower fans — variable speed operation eliminates damper losses.
- Conveyor & Material Handling: Belt conveyors, roller conveyors, packaging lines — smooth start/stop reduces mechanical shock.
- Compressors: Screw and reciprocating compressors in manufacturing and refrigeration applications.
- Textile & Printing Machinery: Tension control and speed synchronization for winding and unwinding applications.
- Food & Beverage Processing: Mixer drives, filling machines, and conveyor systems requiring hygienic, controllable operation.
- Building Automation: Elevator auxiliaries, escalator drives, and HVAC fan control in commercial buildings.
System Integration & Compatible Parts
The ATV312HU15N4 is designed for seamless integration within Schneider Electric’s automation ecosystem and is compatible with the following components:
- Braking Resistors: VW3A7701 / VW3A7702 series — for applications requiring rapid deceleration
- Remote Keypad: VW3A1101 — for remote display and parameter adjustment
- Communication Cards: VW3A3601 (CANopen), VW3A3608 (DeviceNet), VW3A3616 (PROFIBUS DP)
- Input/Output Extension: VW3A3201 — adds analog and digital I/O channels
- Compatible PLCs: Schneider Modicon M221, M241, M251, M340 series via Modbus RTU
- Motor Compatibility: Standard IEC asynchronous induction motors, 1.5kW, 4-pole, 380–480V
Our Quality Assurance Process
At Konmask.com, every unit of the ATV312HU15N4 undergoes a rigorous multi-stage verification process before shipment:
- Source Verification: All units are sourced from authorized distributors or directly from Schneider Electric’s certified supply chain.
- Visual & Physical Inspection: Enclosure integrity, label authenticity, connector condition, and serial number validation are checked against Schneider Electric’s official records.
- Functional Testing: Where applicable, units are powered up and tested for basic operational parameters prior to dispatch.
- Secure Packaging: Anti-static packaging with moisture-barrier protection ensures safe transit to your facility.
- Documentation: Original manufacturer documentation, CE declaration, and test records are included with every shipment.
How to Order
- Submit your inquiry via the Contact / Request a Quote form on this page.
- Provide your required quantity, delivery destination, and any specific requirements (e.g., firmware version, packaging).
- Our technical sales team will respond within 24 business hours with pricing, lead time, and shipping options.
- Upon order confirmation, we issue a proforma invoice and arrange secure payment via T/T, L/C, or other agreed terms.
- Units are dispatched with full tracking and export documentation.
Why Choose Konmask.com?
- ✅ Specialized in Industrial Automation: 100% focus on PLC, DCS, VFD, and automation components — not a generalist marketplace.
- ✅ Verified Supply Chain: Direct relationships with authorized distributors ensure product authenticity.
- ✅ Global Export Experience: Serving industrial buyers across Europe, Southeast Asia, the Middle East, and the Americas.
- ✅ Technical Pre-Sales Support: Our engineers can assist with compatibility checks, parameter configuration guidance, and application advice.
- ✅ Competitive Lead Times: Extensive stock network enables fast fulfillment for urgent MRO and project requirements.
- ✅ Transparent Documentation: Full traceability from source to delivery, including certificates of conformity.
Frequently Asked Questions
Q: What is the difference between ATV312HU15N4 and ATV312HU15M3?
A: The ATV312HU15N4 is designed for three-phase 380–480V supply networks, while the ATV312HU15M3 operates on single-phase or three-phase 200–240V networks. Both deliver 1.5kW output power but are not interchangeable due to different input voltage requirements.
Q: Does the ATV312HU15N4 include a built-in EMC filter?
A: Yes. The ATV312HU15N4 incorporates an integrated Class A EMC filter, making it suitable for industrial environments without requiring an external filter for standard installations.
Q: Can this drive be controlled via PLC Modbus RTU?
A: Yes. The drive features a native RS-485 Modbus RTU port. It can be fully controlled (speed reference, run/stop, fault reset) and monitored via any compatible Modbus master, including Schneider Modicon PLCs and third-party controllers.
Q: What motor types are compatible with the ATV312HU15N4?
A: The drive is optimized for standard IEC asynchronous (induction) motors rated at 1.5kW, 380–480V, 3-phase. It is not designed for permanent magnet synchronous motors (PMSM) without additional configuration.
Q: Is the ATV312HU15N4 still in production?
A: The Altivar 312 series has been superseded by the Altivar ATV320 series in Schneider Electric’s current portfolio. However, ATV312HU15N4 units remain widely available as new-old-stock (NOS) and are fully supported for MRO and replacement applications. Konmask.com maintains stock for ongoing industrial maintenance needs.
Q: What is the minimum order quantity (MOQ)?
A: There is no strict MOQ. We supply single units for MRO purposes as well as bulk quantities for project and OEM requirements. Contact us for volume pricing.
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