MLP300B-0120-FT-N0CN-NNNN Bosch Rexroth Indramat
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MPN: R911338994
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The Bosch Rexroth Indramat MLP300B-0120-FT-N0CN-NNNN is part of the MLP Synchronous Linear Motors series and features a liquid cooling system with a coolant flow of 4.2 l/min. This linear motor has an attractive force of 23400 Newtons, a force constant of 134.10 N/A, and a mass of 58.3 kilograms with thermal encapsulation. The front electrical connection uses 6.0 mm² power wires and the unit is built with thermo-encapsulation.
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Product Description:
The MLP300B-0120-FT-N0CN-NNNN is a moving primary part manufactured by Bosch Rexroth Indramat for the MLP Synchronous Linear Motors series. This component converts three-phase stator currents into straight-line thrust to position carriages, tooling heads, or gantry bridges without mechanical transmission. This direct-drive arrangement eliminates backlash from belts, screws, or gear stages and supports industrial automation sequences that demand fast acceleration, accurate travel, and repeatable micron-level stops.
Mechanical preload is supplied by an attractive force of 23400 N, which holds the laminated core against its reaction plate and helps maintain a constant air gap. Output force varies in proportion to phase current at the rate indicated by the force constant of 134.10 N/A, allowing drive controllers to map commanded current to linear thrust. During motion, the motor generates back EMF according to its voltage constant of 77.9 Vs/m, and this value affects the maximum speed available from a given DC bus. Transient current behavior depends on a phase inductance of 6.7 mH, while continuous copper losses are influenced by a winding resistance of 1.3 Ω at 20 °C. The assembly is motor size 300, uses the B length segment, and is delivered without an encoder so external feedback can be selected for the axis.
Thermal loads are removed through a closed circuit that circulates 4.2 l/min of coolant, and the internal channels are arranged for liquid cooling to keep winding temperatures within limits at high duty. With the thermo-encapsulation method sealing the coils, the primary section has a mass of 58.3 kg, providing inertia against vibration while protecting the insulation system. Power conductors with a cross-section of 6.0 mm² exit the housing at the front, which simplifies cable routing where the moving element travels along a linear axis. The closed coolant path also helps remove heat evenly across the active section during sustained motion, and front-exit leads help keep the cable path predictable in compact machine layouts.
Frequently Asked Questions about MLP300B-0120-FT-N0CN-NNNN:
Q: What is the maximum attractive force of the MLP300B-0120-FT-N0CN-NNNN linear motor?
A: The MLP300B-0120-FT-N0CN-NNNN can generate an attractive force of 23,400 N.
Q: How much coolant flow is needed for the MLP300B-0120-FT-N0CN-NNNN?
A: This model requires 4.2 liters per minute of coolant flow for proper operation.
Q: What cooling type does the MLP300B-0120-FT-N0CN-NNNN utilize?
A: The motor is cooled using a liquid cooling method.
Q: Does the MLP300B-0120-FT-N0CN-NNNN include a motor encoder?
A: No encoder is installed on the MLP300B-0120-FT-N0CN-NNNN linear motor.
Q: How is the electrical connection configured on the MLP300B-0120-FT-N0CN-NNNN?
A: The electrical connection for this unit is wire conducted through the front.
