8MSA5L.E3-V4

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The 8MSA5L.E3-V4 is a synchronous motor developed by B & R Automation. As part of the 8MS Three Phase Synchronous Motors series, it features an N-Channel transistor type and a maximum gate source voltage of ±30V. The motor has an operating temperature range of -55°C to 150°C and is RoHS compliant.

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Product Description:

8MSA5L.E3-V4 is the model of 8MS three phase synchronous motors products produced by B & R Automation and is intended to be accurate in speed control and deliver high torque efficiency during synchronized modes. The high functional consistency with constant load enables its large rated torque of 11 Nm.

The 8MSA5L.E3-V4 synchronous motors has an encoder system an EnDat single turn unit of 512 line resolution providing precise position feedback. Its operational power is rated at 3.46 kilowatts and provides energy intensive motion needs. The motor has a rated current of 7.3 amperes and this guarantees optimal power utilizations under load situations. It has a 6 pole design which increases smoothness of rotation and steady torque production. The 8MSA5L.E3-V4 synchronous motors has a stall torque of 13.5 Nm which means that sudden load surges do not affect performance. It has a controlled started delay of 50 milliseconds. Its operating voltage is 24 VDC which matches common industrial power installations. The value of stator inductance is 14.6 millihenry which leads to less electrical noise and better current control. It has a 24 wattage electrical load installed which means that it is energy efficient during low speed or idle use. The motor without the braking system weighs 11.2 kilograms providing a steady mechanical footprint when mounted.

The 8MSA5L.E3-V4 synchronous motors has 51 minutes of thermal time constant enabling it to operate long with the effects of heat buildup not influencing the efficiency. The resistance of the stator 1.55 ohms will allow a low current flow and efficient conversion of energy. It has a moment of inertia without a brake of 7.3 kilogram square centimeters that contributes to reactive movement behavior in start stop performance.

Activation Delay
50 ms
Continuous Drain Current (id)
2.1A
Drain To Source Voltage (vds)
500V
Gate Charge (qg)
11nC @ 10V
Input Capacitance (ciss)
280pF @ 25V
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Maximum Gate Source Voltage
±30V
Mounting Type
Surface Mount
Operating Temperature Range
-55°C ~ 150°C (TJ)
Package / Case
TO-252AA (DPAK)
Rds On (max) @ Id, Vgs
2.2Ohm @ 1.2A, 10V
Stater Resistance
1.55 ohm
Thermal Time Constant
51 min
Transistor Type
N-Channel
Vgs(th) (max) @ Id
4V @ 250μA

Frequently Asked Questions about 8MSA5L.E3-V4:

Q: Why is 14.6 mH stator inductance important in the 8MSA5L.E3-V4 motor?

A: It minimizes electrical noise and improves current stability, making the motor ideal for sensitive control environments.

Q: How does the 7.3 kg·cm² inertia improve the 8MSA5L.E3-V4 motor's motion control?

A: It provides stable acceleration and deceleration, supporting responsive start-stop performance in automation.

Q: What makes the 6-pole rotor essential in 8MSA5L.E3-V4 motor operation?

A: It promotes smooth torque output and consistent rotation speed in synchronized motor setups.

Q: Why is 24 W load support valuable in the 8MSA5L.E3-V4 motor?

A: It allows auxiliary operations like sensors or actuators to run efficiently without burdening the main power line.

Q: How does the 3.46 kW power output affect medium-duty applications in 8MSA5L.E3-V4?

A: It sustains continuous motion requirements, providing reliable torque across industrial machinery.


Internal Product Review

  • ‘‘The 8MSA5L.E3-V4 motor stands out with a 1.55-ohm stator resistance and 51-minute thermal time constant, offering thermal reliability and power efficiency. The 24 VDC operation ensures seamless system integration. Its controlled 50 ms start delay enhances precision in automation cycles involving rapid start-stop dynamics.’’

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