VT 11073-10
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The VT 11073-10 servo amplifier operates with an input voltage range of 21 to 35 V and a power consumption of 25 VA, featuring 12 screw terminals for connections. Part of the VT Servo Amplifiers series by Bosch Rexroth Indramat, it is IP20 rated and offers a mounting type compatible with carrier rail TH 35–7.5 to EN 60715 standards.
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Product Description:
The Bosch Rexroth Indramat manufactured the VT 11073-10 servo amplifier. It operates at 24 VDC nominal with a tolerance of +40% to -10%, which means an operational window of 21.6 VDC to 33.6 VDC. This ensures stable operation in industrial environments where voltage fluctuations are common and prevents malfunctions due to minor power variations. Beyond this range, the device is rated for an extended operational range of 21 V to 35 V, which is the absolute minimum and maximum for safe operation without damage. The amplifier consumes 25 VA (volt-amperes), which is the apparent power and 1.2 A, which are the critical parameters for power supply design, thermal management and circuit protection. For control signal interfacing, the VT 11073-10 has a differential command input with a range of 0 to ±10 V and 20 kΩ input resistance, which ensures high noise immunity and minimal signal degradation. The bidirectional voltage range allows precise speed and direction control of the connected servo motor.
Variant-specific outputs are clock pulse frequencies (170–200 Hz for VT11026, 230 Hz for VT11004/VT11015) and solenoid currents (800 mA at 12 Ω for VT11026, 1000 mA for VT11004/VT11015). There is also a signal switching output (0 to +6 V, 10 kΩ) for external actuator control and system feedback synchronization. The electrical connection is via 12 screw terminals for robust and vibration-resistant connections in industrial environments. The amplifier is designed for TH 35–7.5 carrier rail mounting (EN 60715 compliant), so it can be quickly mounted in control cabinets. The IP20 protection rating (EN 60529) means it is resistant to solid objects >12.5 mm. Still, it has no water ingress protection, so it can only be used in dry indoor environments.
The 40 mm × 79 mm × 85.5 mm size and 0.16 kg weight optimize space in dense control panels make installation easy. The VT 11073-10 operates 0 °C to +50 °C ambient temperature range. Operation outside this range may cause component damage, thermal stress, or failure. The amplifier is designed for thermal efficiency, electrical robustness and modularity, so it’s a good solution for precision motion control in automation systems. The wide voltage tolerance, configurable outputs and compact design make it suitable for demanding industrial applications where high reliability and flexibility are required.
Frequently Asked Questions about VT 11073-10:
Q: How is the VT 11073-10 connected electrically?
A: Electrical connections for the VT 11073-10 are made using 12 screw terminals, which are easy to wire and provide reliable connectivity. These terminals support a clean and secure installation, reducing the risk of loose wiring or contact failure in high-vibration industrial settings.
Q: What kind of input signals does the amplifier accept for control?
A: The VT 11073-10 accepts a differential command value input ranging from 0 to ±10 V, with an input resistance of approximately 20 kΩ. This allows precise and interference-resistant control signals, enabling fine-tuned operation of servo motors in applications that demand high accuracy.
Q: What mounting method is used for this device?
A: This amplifier is designed to mount on a carrier rail TH 35–7.5, compliant with EN 60715 standards. This mounting system simplifies installation, ensures compatibility with standard automation panels, and allows quick replacement or repositioning during maintenance.
Q: What is the device’s protection rating and operating temperature range?
A: The VT 11073-10 is rated IP20 according to EN 60529, meaning it is protected against solid objects larger than 12.5 mm but not against water. It functions reliably within a permissible operating temperature range of 0 to +50 °C, making it suitable for most indoor industrial environments.
Q: What are the physical dimensions and weight of the VT 11073-10?
A: The amplifier is compact, measuring 40 x 79 x 85.5 mm (W x H x D), and weighs just 0.16 kg. This compact footprint makes it easy to fit into tight control cabinets or modular automation setups, offering flexibility without sacrificing functionality.
