MDD090A-N-040-N2K-110GB1
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The Bosch Rexroth Indramat MDD090A-N-040-N2K-110GB1 motor is part of the MDD Synchronous Motors series, offering a nominal motor speed of 4000 min⁻¹. It has a continuous torque at standstill of 3.7 Nm, a maximum current of 41.3 A, and an IP65 protection category. The motor's mass is 12.5 kg.
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Product Description:
The MDD090A-N-040-N2K-110GB1 Servo Motor comes under the Bosch advanced motion control MDD Synchronous Motors series and it delivers precision, reliability and efficiency. It is ideal for industrial automation applications as the series is known for consistent quality and seamless integration into modern systems.
The MDD090A-N-040-N2K-110GB1 servo motor brake is held closed mechanically and will release only when powered which is common in safety applications. The module's higher inductance of 14.5 mH means slower current response, which can influence dynamic performance and control behavior. The absolute highest current the motor can handle for very short durations, usually during acceleration or when overcoming peak loads is 41.3 A. Its blocking brake can hold the motor shaft in place with 11.0 Nm of torque when engaged. The module takes 45 min to heat up to its thermal limit which is longer time constant and suggests the motor heats up slowly that allows better endurance under load. The rotor’s resistance to acceleration is 20 x 10⁻⁴ kg·m² which suggests quicker response. The time it takes for the brake to fully disengage after power is applied is 60 milliseconds. The amount of torque it generates per ampere current is 0.39 newton meter which suggests its higher efficiency.
The MDD090A-N-040-N2K-110GB1 servo motor total mass is 12.5 kg which means it is robust and has high power. Its continuous rated speed is 4000 min⁻¹ while the amount of torque the motor can continuously produce without rotating and without exceeding thermal limits is 3.7 Nm. The absolute maximum torque the motor can briefly output (usually for milliseconds to a few seconds) before risking damage is 15 nm. The external finish of the motor – it’s black and standardized by RAL 9005.
Frequently Asked Questions about MDD090A-N-040-N2K-110GB1:
Q: How does the 14.5 mH inductance affect control stability in this motor?
A: The higher inductance helps reduce electrical noise and smoothens current flow. This enhances overall motor control, particularly in sensitive automation systems.
Q: Why is a 60 ms brake release delay important in servo motor operations?
A: It ensures a reliable delay between command and motion start, allowing better synchronization with external safety systems or logic controls.
Q: How does the 45-minute thermal time constant help in performance?
A: It allows prolonged operation under load without overheating. This contributes to increased reliability and less frequent cooling interruptions.
Q: What benefits does the 0.39 Nm/A torque constant provide?
A: A higher torque constant means greater torque output per ampere. This increases overall system efficiency and lowers power losses.
Q: Why is the 20 x 10⁻⁴ kg·m² rotor inertia important in the MDD090A-N-040-N2K-110GB1 motor?
A: Low rotor inertia allows faster acceleration and deceleration. This supports high-precision, dynamic motion control applications.
