The Bosch Rexroth Indramat VT-VRPA1-151-10/V0/0 amplifier belongs to the VT-VRPA Electric Amplifiers series and delivers high-speed, multi-channel digital control in a compact, DIN-rail mount package. This unit features 32 digital outputs with a signal delay of ≤100 μs, ensuring rapid response for demanding industrial automation tasks. Each channel provides 24 VDC output at 0.5 A per channel with precision adjustment through a built-in ±15% trimming potentiometer. Robust spring clamp connectors simplify field wiring and maintenance while maintaining signal integrity under heavy use. The amplifier’s streamlined design supports dense control panels in applications that require fast processing and precise electromechanical actuation.
Input power requirements include 220–240 VAC input voltage at 50/60 Hz frequency, with a power consumption of 37 W and a rated power of 250 W. The unit is housed in an IP20 protection class enclosure and mounts easily on standard DIN rail hardware. Connection is via reliable spring clamp technology, supporting straightforward tool-free installation. Performance is further enhanced by a dedicated signal source port accepting a 10 kΩ potentiometer with ±10 V supply (10 mA) from terminals b32 and z32.
Operational features emphasize rapid energizing and de-energizing cycles to reduce reaction time in control loops. The amplifier supports valve solenoid loads up to 2.7 A/40 VA (NG 6) per channel, enabling direct drive of common proportional valves without external boosters. An open-circuit protection mechanism on the feedback signal cable prevents unintended operation or fault propagation. Thermal management is optimized through a ventilated housing and low thermal mass, allowing the amplifier to maintain stable operation during continuous high-speed switching.
System integration is simplified by the amplifier’s compatibility with standard industrial control architectures, making it ideal for compact control cabinets in manufacturing and process automation. The VT-VRPA1-151-10/V0/0 excels in multi-axis motion control, batch processing lines, and safety-critical valve control systems where precise timing and high channel counts are essential. Engineers will appreciate the scalable nature of the VT-VRPA Electric Amplifiers series, which supports expansion without compromising performance or footprint. This amplifier meets the exacting requirements of modern industrial applications, combining speed, accuracy, and reliability in one versatile component.
Channels
32 digital outputs
Connection
Spring clamp technology
Frequency
50/60 Hz
Input Voltage
220-240 VAC
Mounting Type
DIN Rail
Power consumption
37 W
Protection Class
IP20
Rated Current
0.5 A per channel
Rated Power
250W
Signal Delay
≤ 100 µs
Signal source
Potentiometer 10 kΩ, ±10 V supply from b 32, z 32 (10 mA)
Valve solenoid A/VA max
2.7/40 (NG 6)