VT-VSPA1-1-1X-004

VT-VSPA Proportional Amplifiers

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The VT-VSPA1-1-1X-004 is a dependable valve amplifier produced by Bosch Rexroth designed to meet rigorous application requirements. Operating at a regulated voltage of +9 V and a working temperature range of -20 to +85 degree centigrade, this model offers both durability and flexibility. Equipped with two unique measuring sockets, it ensures accurate performance for both the tangible value and the internal command value. The unit comes with reverse polarity protection for enhanced safety and functioning. The first command value input sets the command value voltage with an adjustable differential input between 0 and 10 V. A notable feature is the integrated potentiometer, which seamlessly increases the command value when turned clockwise. The amplifier utilizes a +24 VDC operating voltage and a 2.5 A slow-blow fuse. For maintenance, it is important to isolate the solenoid wires and command value lines. It also includes an operational readiness output signal coupled with an LED display on its front plate which illuminates if no solenoid conductor short circuit or cable break is detected. The model's differential input can also act as a current or voltage input, and it features cable breakage detection for input currents between 4 mA and 20 mA.