MRT210A-3N-0120-NNNN
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The MRT210A-3N-0120-NNNN is a synchronous rotor manufactured by Bosch Rexroth Indramat. It's part of the MRT Synchronous IndraDyn T rotor series, boasting an impressive efficiency of 92% and a protection category of IP65. It operates within temperatures ranging from -20°C to +70°C at a relative humidity between 5 and 95 percent.
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Product Description:
Considered one of the most dynamic rotors from Rexroth’s IndraDyn T synchronous family, the MRT210A-3N-0120-NNNN boasts a robust 210A frame. With an internal diameter of 120 millimeters and a weight of 3 kilograms, this unit is made for accommodating various applications at relatively low driving speeds. When paired with MST stators with a similar body frame, this unit can deliver a consistent synchronous velocity of 270 rpm during nameplate conditions. When excited at higher DC bus voltages, this rotor, together with the stator, can achieve a synchronous driving speed of 600 Nm. Because of its large body frame, this rotor is limited for low-driving applications.
Although the MRT210A-3N-0120-NNNN has a relatively low driving speed range, it excels in transmitting optimal torque during operation. Because of its robust construction and high-quality material design, this rotor can deliver a maximum torque of 100 Nm. At rated driving conditions, the delivered torque across the shaft is around 50 Nm. Usually, rotors for AC motors employ permanent magnets to achieve low moments of inertia. Based on this product’s official datasheet, the unit’s moment of inertia is 0.012 kg(m^2). As a standard 210A rotor, the MRT210A-3N-0120-NNNN does not employ additional through holes for heat dissipation. Along with the stator’s liquid cooling system, this rotor efficiently cools during operation via convection.
To fix the MRT210A-3N-0120-NNNN on the motor body, a set of fixing screws is provided. Specifically, this rotor model uses a total of 12 fixing screws on its output side. The outer diameter of this rotor measures 130 millimeters with a maximum measurement error of 0.1 millimeters. The fixing screws, on the other hand, are spaced at equal angular intervals of 30 degrees with a maximum measurement deviation of 0.1 degree.
Frequently Asked Questions about MRT210A-3N-0120-NNNN:
Q: What stators are compatible with the MRT210A-3N-0120-NNNN?
A: In general, MST stators with a body frame of 210A are compatible with the MRT210A-3N-0120-NNNN.
Q: What other frame lengths are possible for MRT210 rotors like the MRT210A-3N-0120-NNNN?
A: MRT210 rotors may come in any one of the possible frame sizes: A, C, R, D, and E.
Q: What variation of the MRT210A-3N-0120-NNNN includes additional through holes?
A: The variation closest to the MRT210A-3N-0120-NNNN that contains additional through holes is the MRT210A-3N-0120-M100.
Q: Does the MRT210A-3N-0120-NNNN come with a temperature sensor?
A: Temperature sensors are commonly placed on the stator, not the rotor.
Q: What should be the ambient temperature during operation of the MRT210A-3N-0120-NNNN?
A: During operation of the MRT210A-3N-0120-NNNN, the ambient temperature must not exceed 40 degrees Celsius.
