VT 3000 20 Bosch Rexroth Indramat
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The Bosch Rexroth Indramat VT 3000 20 is part of the VT 3000 Analog Amplifiers series and operates with a supply voltage of 24 VDC ±10% while consuming 30 Watts of power. This amplifier features a maximum output current of 800 mA and includes control and additional inputs of ±9 V and ±6 V, respectively. It weighs 0.15 Kilograms and has a fuse rating of 2.5 Amps.
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Product Description:
The VT 3000 20 is an analog amplifier card developed by Bosch Rexroth Indramat for the VT 3000 Analog Amplifiers series. Installed in hydraulic drive cabinets, the card converts low-level voltage commands from a machine controller into regulated coil current for proportional valve actuation. Its closed-loop current stage helps the valve spool follow the command signal closely, which supports accurate pressure or flow control in industrial hydraulic circuits and keeps valve response stable during normal operation.
The card operates from a regulated supply of 24 VDC ±10% for its internal electronics. The main control input accepts ±9 V, while a separate 10 V differential input and an auxiliary ±6 V input allow command summing or offset functions without extra external hardware. The power stage can deliver up to 800 mA of coil current, which matches many direct-operated proportional valves, and power dissipation remains within 30 W under rated load. Thermal stability is supported by a drift value of 0.5‰/K, which helps limit output error as ambient temperature changes. The track layout uses a 5.08 mm division width so the card fits standard Eurocard connector spacing.
The supply rail is protected by a miniature blade fuse rated at 2.5 A. The current loop is intended for coil resistance values up to 19.5 Ω, and the input stage requires a load of ≥500 Ω for proper signal handling. A standby current of 20 mA is maintained by the bias circuit so the valve spool remains centered when no command signal is present. The card weighs 0.15 kg, and its mechanical format uses eight face-plate divisions with seven divisions on the component side and one on the conductor side for orderly rack installation. Wake Industrial offers a one-year warranty on this VT amplifier card. This product can be shipped internationally.
Frequently Asked Questions about VT 3000 20:
Q: What is the supply voltage required for the VT 3000 20 analog amplifier?
A: The VT 3000 20 amplifier has a supply voltage requirement of 24 VDC with a tolerance of plus or minus 10%.
Q: What is the maximum output current provided by the VT 3000 20?
A: This amplifier can deliver a maximum output current of 800 mA.
Q: What fuse rating does the VT 3000 20 analog amplifier use?
A: The fuse rating for the VT 3000 20 is 2.5 A, ensuring circuit protection during operation.
Q: What is the maximum coil resistance supported by the VT 3000 20?
A: The VT 3000 20 model supports a maximum coil resistance of 19.5 ohms.
Q: What is the power consumption of the VT 3000 20 during use?
A: This amplifier has a power consumption of 30 W during operation.
