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· Product image is representative; revision or series may vary. Contact us to request a specific version.
We provide 1 year warranty for all remaining parts.
The warranty period is one year from the date of shipment, unless otherwise stated in the parts description. We guarantee that the project will not exhibit functional defects that may occur under normal operating conditions during the warranty period.
The warranty period is one year from the date of shipment, unless otherwise stated in the parts description. We guarantee that the project will not exhibit functional defects that may occur under normal operating conditions during the warranty period.
The warranty period is one year from the date of shipment, unless otherwise stated in the parts description. We guarantee that the project will not exhibit functional defects that may occur under normal operating conditions during the warranty period.
In the event of a defect, we will send new equipment, repair equipment or refund the purchase price based on our availability. You must contact us to obtain a return authorization and return the defective device to us within 14 days of reporting the defect.
In the event of a defect, we will send new equipment, repair equipment or refund the purchase price based on our availability. You must contact us to obtain a return authorization and return the defective device to us within 14 days of reporting the defect.
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Amikon offers a wide range of components, products and services related to industrial automation. We have a large surplus of stocks and are also distributors of new products from a variety of quality manufacturers.
Technical specifications for PN072139P904
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Product ModelPN072139P904
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Product ParametersINVERTER CONTROL POWER BOARD
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Tariff Code8537101190
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Country of originFrance
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Place of shipmentXiamen, China
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In stock1 unit
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Estimated Shipping Size9x8.5x2.2cm
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ManufacturerSchneider Electric
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Weight0.05 kg
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Voltage380–690V AC (±10%), 3-phase
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Frequency50/60 Hz
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Nominal930V DC
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Control Circuit Voltage24V DC (±15%)
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Analog inputs0–10V, 4–20mA
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Temperature-10°C to +50°C (derate 2% per °C above 40°C)
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Humidity<95% non-condensing
Description
The Schneider Electric PN072139P904 is an internal rectifier trigger board installed within the power stage of Altivar ATV61 and ATV71 variable frequency drives. The board receives low-voltage PWM control signals from the drive's main control logic and converts them into precisely timed gate trigger pulses for the thyristors (SCRs) in the rectifier section. Reinforced isolation of ≥2500 V AC separates the low-voltage control circuitry from the high-voltage power stage, ensuring safe signal transmission across potential differences.
The board generates typical gate voltages of +15 V and −8 V to ensure reliable thyristor turn-on and forced commutation turn-off, with a peak output capability of up to 10 A for fast switching transitions. An onboard auxiliary power circuit derives 24 V DC (±10%) from the drive's internal supply to power the gate driver electronics.
The board generates typical gate voltages of +15 V and −8 V to ensure reliable thyristor turn-on and forced commutation turn-off, with a peak output capability of up to 10 A for fast switching transitions. An onboard auxiliary power circuit derives 24 V DC (±10%) from the drive's internal supply to power the gate driver electronics.
Information
Overview
Manuals
Application Notes
Product Applications
Insertion Process
Features:
- SCR (thyristor) gate pulse generation and firing control
- Supports inverter and rectifier power stages
- High-speed synchronized triggering for power semiconductor devices
- Industrial multilayer PCB construction
Installed within the drive's power electronics assembly, the board synchronizes trigger signals with the AC supply and the drive control system to regulate power conversion efficiently. Precise gate pulse timing helps ensure stable rectification, controlled inverter operation, smooth motor acceleration, and reliable torque output under varying load conditions.
The PN072139P904 Schneider Electric Inverter Thyristor Trigger Board may still be available for purchase and support from Amikon Limited beyond End-Of-Life (EOL) by the manufacturer (OEM).
Schneider Electric PN072139P904 Inverter Thyristor Trigger Board Manuals, Datasheets, Drivers, Link
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.
The PN072139P904 is manufactured as an industrial-grade multilayer printed circuit board capable of operating in demanding environments. It interfaces with the drive's control board and power stage while supporting the protection functions implemented by the complete drive system, including synchronization, fault monitoring, and controlled SCR switching.
This board is widely used as an OEM replacement component during maintenance and repair of Schneider Electric inverter systems. Before installation, compatibility should be confirmed using the drive model, hardware revision, and spare parts documentation, as board revisions may vary between drive generations. It is frequently referenced for Altivar ATV61 and ATV71 drive platforms.
- Water/Wastewater: Regulates high-power pumps, controls flow rates, and monitors fluid systems
- Mining/Metals: Handles heavy loads like conveyors, crushers, and process fans
- Oil & Gas: Drives pumps/compressors and manages high-efficiency energy operations
- Food/Beverage: Operates large mixers, packaging machines, and processing utilities
- Heavy Manufacturing: Manages variable/constant torque applications requiring energy efficiency and asset management
This content has been produced using multiple sources.Amikon takes no responsibility for the accuracy of this information. Always consult the original equipment manufacturer for the most up to date instructions and information.
Remove Front Cover: Unclip the main front cover of the ATV61/ATV71 drive using a flathead screwdriver.
Access the Trigger Board: Locate the existing trigger board mounted securely on the rectifier/IGBT stage of the drive.
Disconnect Cables: Carefully remove any ribbon cables, push-connectors, or wiring harnesses attached to the old board.
Alternative Names
PN072139P9O4
PN072I39P904
PNO72139P904
PN072I39P9O4
PNO72I39P9O4
Technical notes
The PN072139P904 also manages the pre-charge and soft-charge sequences during drive startup, limiting inrush current to the DC bus capacitors by progressively controlling the firing angle of the rectifier thyristors. This controlled charging sequence reduces mechanical and electrical stress on upstream components and extends the service life of the DC link capacitors.
FAQs
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What is the PN072139P904?
+The Schneider Electric PN072139P904 is an inverter rectifier trigger board (or drive control board) primarily used in the Altivar 71 series of industrial AC variable frequency drives (VFDs). -
What is the PN072139P904 board used for?
+It is a crucial electronic control board that acts as an interface between the drive's central control logic and the power circuit's IGBTs (Insulated Gate Bipolar Transistors). It provides isolation voltages and triggers the fast switching required to operate the motor safely and efficiently -
Which equipment uses this board?
+This hardware is custom-tailored for the Schneider Electric Altivar 71 (ATV71) series of AC motor drives. It handles the timing sequences for internal power rectifiers and inverter sections within the drive framework. -
What causes this trigger board to fail?
+Common failure points include overvoltage transients on the power bus, degradation of local electrolytic smoothing capacitors due to heat, or downstream short circuits in the primary IGBT power modules.
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