MSS312H-0025-FA-N0CN-NNNN
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The MSS312H-0025-FA-N0CN-NNNN is a synchronous stator from the Bosch Rexroth Indramat MSS Synchronous IndraDyn H Motors series, featuring a frame size of 312. It operates at a rated speed of 250 rpm and employs liquid cooling. Additionally, this motor utilizes a plug-in connection type and supports flange mounting.
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Product Description:
The MSS312H-0025-FA-N0CN-NNNN is a modern IndraDyn H product developed by Rexroth Bosch Indramat for its synchronous speed AC motors. Specifically, this product model is a stator, and it comes with a dedicated cooling jacket for temperature control. The integrated cooling jacket uses an efficient liquid coolant for dissipating heat during operation. As a massive stator, featuring a 312H body frame, this product weighs around 215 kilograms, or about 474 pounds. Like all other MSS312H stators, this model does not have a blocking brake or encoder included. With its winding type, the MSS312H-0025-FA-N0CN-NNNN can maintain a rated synchronous speed of 250 rev/min.
At the rated speed, the MSS312H-0025-FA-N0CN-NNNN delivers a rated torque of 1125 Nm at an equivalent output power of 29.5 kW. When excited with a higher DC bus voltage, it is possible to operate this stator to achieve a higher synchronous speed. Specifically, when the DC bus voltage is increased to 750 volts, this stator can achieve a maximum speed of 1100 rpm. This increase in speed, however, usually leads to a drop in the machine’s output torque. For this reason, fine-tuning of the parameters must be done to operate both the MSS stator and MRS rotor according to the intended application.
At most, the MSS312H-0025-FA-N0CN-NNNN can deliver a consistent torque output of 2750 Nm. To achieve this maximum torque, the machine’s speed must be decreased or adjusted. Based on its datasheet, the MSS312H-0025-FA-N0CN-NNNN can operate at an ampere range between 62 and 180 A. Although this stator can accommodate a maximum current of 180 amperes, the protection devices and cables may not be able to handle this continuous current for a long time.
Frequently Asked Questions about MSS312H-0025-FA-N0CN-NNNN:
Q: What is the MSS312H-0025-FA-N0CN-NNNN inertia?
A: Without a blocking brake, the rotor moment of inertia for the MSS312H-0025-FA-N0CN-NNNN is 1.064 kg(m^2).
Q: What rotor version is best for the MSS312H-0025-FA-N0CN-NNNN?
A: The rotor version that is best for the MSS312H-0025-FA-N0CN-NNNN is the MRS312H rotor. The MRS312H rotor may come with either a 75- or 85-mm diameter. Both are suitable for the MSS312H-0025-FA-N0CN-NNNN.
Q: What type of cooling connector does the MSS312H-0025-FA-N0CN-NNNN employ?
A: The MSS312H-0025-FA-N0CN-NNNN employs a liquid cooling system with an axial connector type.
Q: How big is the MSS312H-0025-FA-N0CN-NNNN?
A: The MSS312H-0025-FA-N0CN-NNNN measures 340 mm, 630 mm, and 170 mm.
Q: What DC bus voltage is used for the MSS312H-0025-FA-N0CN-NNNN during rated conditions?
A: During rated or nameplate conditions, the assumed DC bus voltage for the MSS312H-0025-FA-N0CN-NNNN is 540 V.
