Schneider Electric ATV12H037M2 0.37 kW Single-Phase Drive

ATV12H037M2 Altivar 12 drive: what the part number tells you

The ATV12H037M2 is a Schneider Electric Altivar 12 variable speed drive. The datasheet describes it as: variable speed drive, Altivar 12, 0.37kW, 0.55hp, 200 to 240V, 1 phase, with heat sink. The ATV12 is a compact drive for simple machines, with a heat-sink assembly, integrated EMC filter and a Modbus serial port. Seven Star LLC supplies the ATV12H037M2 in Oman and the GCC as an independent supplier based in Muscat.

Reading the code against the datasheet: the ATV12 prefix is the range; the rating characters match the 0.37 kW motor power and 2.4 A output current stated in the datasheet; M2 corresponds to the single-phase 200 to 240 V class, matching the listed supply of 200 to 240 V (tolerance -15 % / +10 %). Always confirm any variant by the complete reference, because neighbouring references differ in power class, format or options.

Technical specifications of the ATV12H037M2

How the ATV12H037M2 controls the motor

A frequency converter rectifies the incoming AC supply, stores energy on a DC bus and re-creates a three-phase output of adjustable frequency and voltage. For the ATV12H037M2 the datasheet lists a switching frequency of 2 to 16 kHz adjustable; 4 to 16 kHz with derating factor with a nominal value of 4 kHz. Higher switching frequency reduces audible motor noise but increases drive losses, which is why the datasheet notes derating at the upper end.

Motor control is selected by software profile. The datasheet lists Sensorless flux vector control for asynchronous motors. Choosing the profile that matches the load is more important than chasing maximum dynamic performance: a centrifugal pump or fan is normally best served by a variable-torque or energy-saving profile, while conveyors and mixers usually need constant-torque behaviour with enough overload margin.

Where the ATV12H037M2 fits in a control system

Control wiring on the ATV12H037M2 follows the I/O count in the datasheet: 4 discrete inputs, 2 discrete outputs, 1 analogue inputs, 1 analogue output(s) and 1 relay output(s). Communication is by Modbus.

Related parts in the same family are sold by power rating, so siblings of the ATV12H037M2 in the ATV12 series differ mainly in kW, current and enclosure size rather than in functions. At 0.37 kW on a single-phase supply it is one of the smallest drives in the Altivar family.

Selection and ordering checklist for the ATV12H037M2

• Motor nameplate: rated power, rated current, voltage and pole count. Size the drive on motor current, not only on kW; the 2.4 A output current of the ATV12H037M2 is the figure to compare.
• Duty class: confirm whether the load is normal duty or heavy duty, because the datasheet gives separate ratings where both exist.
• Supply: confirm the network matches 200 to 240 V (tolerance -15 % / +10 %) and the frequency, and compare prospective short-circuit current with the 1 kA limit.
• Enclosure: the drive has IP20; if the cabinet is dusty or wet, plan the enclosure and filtering accordingly.
• Fieldbus: choose the option card, if one is needed, before ordering and note it in the enquiry.
• Safety: the datasheet lists the safety functions fitted; compare them with your machine risk assessment.

Installation, commissioning and maintenance of the ATV12H037M2

Mount the drive in the position the datasheet specifies (vertical, within a small tilt tolerance), leave the ventilation space given in the installation manual and keep the ambient inside the range -10 to 40 °C without derating. Oman cabinets that sit near the upper limit in summer need either derating, forced ventilation or an air-conditioned electrical room. Dimensions of this unit are 72 mm (W) x 143 mm (H) x 121.2 mm (D) and its net weight is 0.7 kg, which helps when checking cabinet layouts.

Commission in a fixed order: verify supply and motor cabling, run the auto-tuning or enter motor data, set ramps and limits, then configure I/O and communication. Keep a saved parameter file of the final configuration; it shortens replacement time if the unit is ever swapped. Periodic work is simple: clean the heat sink and fan path, check terminal tightness, review fault history and replace fans when the maintenance schedule calls for it.

Typical applications of the ATV12H037M2 in Oman and the GCC

Typical uses are simple machines and small fans, pumps and conveyors on a single-phase 200 to 240 V supply. In Oman and across the GCC the drive meets heat, dust and humidity in water-treatment and desalination plants, oil and gas utilities, district cooling, food factories and general manufacturing. For coastal or sandy sites the cabinet design, filtering and temperature margin decide reliability at least as much as the drive itself.

Information to send with an RFQ for the ATV12H037M2

• Full reference (ATV12H037M2) and quantity
• Motor nameplate data and load type
• Supply voltage and frequency, and site altitude and ambient temperature
• Fieldbus and any accessory or option cards
• Required delivery location and timing

Documents and quotation

A datasheet for this product is attached on this page. It lists the electrical, mechanical and environmental data summarised above.

Send us the part number, quantity and application and we will confirm availability and a quotation. Seven Star LLC is an independent supplier in Muscat and does not represent itself as an official channel of the manufacturer.