VT 11118-10 Bosch Rexroth Indramat
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MPN: R900211788
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The Bosch Rexroth Indramat VT 11118-10 is part of the VT Servo Amplifiers series and operates at 24 VDC with an upper voltage limit of 35 V. It features 3 LED indicators, 2 command attenuators, and an IP20 protection rating. The unit mounts on a TH 35-7.5 rail, has a fuse rating of 3.5 A, and weighs 0.14 kg.
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Product Description:
Bosch Rexroth Indramat manufactures the VT 11118-10 servo amplifier module as a member of the VT Servo Amplifiers series. The unit conditions low-level command voltages and drives proportional or servo hydraulic valves used in industrial automation for precise flow and pressure control. Housed on a compact DIN rail carrier, the amplifier receives machine control signals, scales them through onboard attenuators, and supplies regulated current to the valve outputs, allowing synchronized actuation of paired valve coils within motion or pressure control loops.
The control electronics are energized by a nominal supply of 24 VDC, while the maximum supply voltage is 35 V, allowing the circuitry to tolerate moderate overvoltage events. Upstream protection is reinforced with a fast-acting 3.5 A F fuse that clears fault currents before board traces overheat. The amplifier incorporates 2 output stages, so a single card can manage both valve coils. Two command attenuators provide coarse signal scaling during setup. The enclosure has an ingress protection rating of IP20, making installation inside a suitable control cabinet necessary. Twelve screw terminals accept field wiring, and three LEDs report power, stage status, and fault conditions. A selector switch with three positions allows the appropriate control mode to be selected without external jumpers. The card latches onto a TH 35-7.5 mounting rail, providing a secure connection within the cabinet.
The module has a depth of 85.5 mm, a width of 40 mm, and a height of 79 mm, supporting installation in densely arranged control cabinets. These compact measurements preserve space for wiring access and airflow between adjacent modules. The assembly weighs 0.14 kg, so it places little mechanical load on lightweight DIN rails. Its terminals, indicator lights, and selector switch remain accessible from the front, allowing status checks and control adjustments without removing neighboring equipment. The narrow front profile also helps keep field wiring paths short, which can reduce clutter and simplify routing to the connected hydraulic valve coils.
