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Allen Bradley 1386 Servo Drives 1386-M4

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1386-M4

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The 1386-M4 from Allen Bradley is a versatile 4-axis DC servo unit, designed to operate at a control voltage of 105 to 125 volts AC. This device runs on both single-phase and three-phase inputs, accommodating various setups and offering flexibility in system design.

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Rockwell Disclaimer: The product is used surplus. DO Supply is not an authorized surplus dealer or affiliate for the Manufacturer of this product. The product may have older date codes or be an older series than that available direct from the factory or authorized dealers. Because DO Supply is not an authorized distributor of this product, the Original Manufacturer's warranty does not apply. While many Allen-Bradley PLC products will have firmware already installed, DO Supply makes no representation as to whether a PLC product will or will not have firmware and, if it does have firmware, whether the firmware is the revision level that you need for your application. DO Supply also makes no representations as to your ability or right to download or otherwise obtain firmware for the product from Rockwell, its distributors, or any other source. DO Supply also makes no representations as to your right to install any such firmware on the product. DO Supply will not obtain or supply firmware on your behalf. It is your obligation to comply with the terms of any End-User License Agreement or similar document related to obtaining or installing firmware.

Technical specifications for 1386-M4

ManufacturerAllen Bradley
Product Type4-Axis DC Servo Unit
Product Line1386 Servo Drives
Part Number1386-M4
Weight13.06 lbs (5.93 kg)
Control Voltage105–125 V AC, 50/60 Hz, single-phase
Input Voltage Range35 V / 78 V AC
Input PhaseOperates on 1- or 3-phase input
DC Bus Output50 V / 106 V DC nominal
Continuous Current (1-Ph)27 A
Continuous Current (3-Ph)50 A
Peak Current (1 s)50 A (1-ph) / 100 A (3-ph)
DC Overvoltage ClampActivates near 120 V DC
Overvoltage TripCuts off around 130 V DC
Regeneration Capacity140 W energy return
Control Supply LoadApprox. 0.5 A draw
Auxiliary Supply Output±15 V DC, 1 A max
Operating Temperature0 – 50 °C
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The 1386-M4 from Allen Bradley is a sophisticated 4-axis DC servo unit designed for precision control in automation tasks. With a control voltage range of 105 to 125 volts AC, this unit functions efficiently at either 50 or 60 Hz and is compatible with both single-phase and three-phase power supplies. The input voltage can vary from 35 to 78 volts AC, providing flexibility for different industrial applications.

Equipped with a nominal DC bus output of 50 volts or 106 volts DC, the 1386-M4 can accommodate significant power demands. In continuous operation, it handles up to 27 amps in single-phase applications and 50 amps in three-phase setups. For short bursts, it supports a peak current of 50 amps for one second in single-phase and 100 amps in three-phase configurations, enabling efficient handling of transient load conditions.

Protection features include a DC overvoltage clamp that activates around 120 volts DC, with an overvoltage trip that disconnects at approximately 130 volts DC, ensuring safe operation of the system. This unit also offers a regeneration capacity of 140 watts for energy return, contributing to overall system efficiency.

When considering auxiliary functions, the control supply load is approximately 0.5 amps, and it provides an auxiliary supply output of ±15 volts DC with a maximum of 1 amp, facilitating connections to other components. The operational temperature range is rated from 0 to 50 degrees Celsius, allowing it to perform reliably in various environmental conditions.