KDA 3.1-100-3-DPI-U1
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The KDA 3.1-100-3-DPI-U1 spindle drive features a rated current of 100 A with an input voltage of 3 x 230-480 V AC. Manufactured by Bosch Rexroth Indramat, it belongs to the KDA Spindle Drives series and utilizes air cooling. This panel-mounted drive has an IP20 protection class.
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Product Description:
The KDA 3.1-100-3-DPI-U1 by Bosch Indramat is a high-performance spindle drive for demanding industrial needs. It is built for consistent reliability in CNC applications. This product belongs to the KDA Spindle Drives Series.
The KDA 3.1-100-3-DPI-U1 provides reliable electrical performance, with a rated current of 100 A and a continuous current of 70 A. The DC bus voltage is set to 300 V DC. This spindle operates consistently with a 24 V load current of 1.4 A and a ±15 V measurement voltage of 160 mA. The incremental encoder output enables improved motion control. To ensure optimal cooling the blower power supply operates at 115 V AC, 50–60 Hz. The temperature is controlled by forced cooling using a heatsink fan. The drive provides a cooling airflow of 32 l/s, an air velocity of 3 to 4 m/s and a maximum excess pressure of 30 Pa. It is microcomputer-controlled and features an AS3 programming module for simple parameter storage and adjustments via keypad. The drive is IP10 rated in accordance with DIN 40 050. Standard EMC compliance is ensured when insulated wires and adequate RF filters are used. The maximum installation altitude is 1000 meters above sea level without performance degradation. The operating temperature ranges from +5°C to +45°C with maximum up to +55°C at reduced specs. Auxiliary encoder input is available for spindle or secondary motor feedback.
The KDA 3.1-100-3-DPI-U1 has a drive weight of 17.1 kg. The blower unit weighs 4.2 kg and the mechanical mounting kit weighs 1.7 kg. Grounding to the supply module requires a minimum 10 mm² conductor. Mounting accessories include the M1-KD kit and the LE4-115V blower unit. The temperature range for storage and transportation is from -30 degrees Celsius to +85 degrees Celsius. The permissible humidity is 70% as per DIN 40 040. The KDA drive is designed for consistent operation and efficient integration in advanced automation systems.
Frequently Asked Questions about KDA 3.1-100-3-DPI-U1:
Q: Why is forced cooling by heatsink blower important in the KDA 3.1-100-3-DPI-U1 Spindle Drive?
A: Forced cooling by heatsink blower maintains temperature stability during heavy operation. This feature helps to protect sensitive internal components from thermal stress.
Q: How does the AS3 programming module in KDA 3.1-100-3-DPI-U1 Spindle Drive support parameter management?
A: The AS3 module allows parameters to be easily set and modified through a keypad. This simplifies commissioning, maintenance, and adaptation to different machines.
Q: How does the IP10 protection rating benefit the KDA 3.1-100-3-DPI-U1 Spindle Drive?
A: IP10 protection prevents penetration by large solid objects, enhancing drive durability. This makes it suitable for installation inside control enclosures.
Q: What is the impact of using shielded cables with the KDA 3.1-100-3-DPI-U1 Spindle Drive?
A: Shielded cables ensure electromagnetic compatibility and reduce electrical noise. This supports stable operation in environments with high interference.
Q: Why is a minimum 10 mm² conductor required for grounding in KDA 3.1-100-3-DPI-U1 Spindle Drive?
A: A larger conductor cross-section provides reliable ground connections and minimizes voltage drops. This is essential for safe operation and compliance with industrial standards.
