ABB NTHS03 Symphony Harmony INFI 90 Hydraulic Servo Termination Unit
Product Overview
The ABB NTHS03 is a specialized Hydraulic Servo Termination Unit (TU) engineered for the Symphony Harmony and INFI 90 Distributed Control Systems (DCS). It serves as the dedicated physical interface for high-precision hydraulic servo modules, facilitating the critical link between the control logic and field hydraulic actuators. Designed to support high-performance servo controllers such as the IM/SPHSS series, the NTHS03 ensures clean signal routing, robust electrical isolation, and localized wiring management. This unit is essential for demanding motion control applications, particularly in power generation turbine governing and large-scale industrial valve positioning where timing and signal integrity are non-negotiable.
Technical Specifications
The following specifications define the electrical and mechanical profile of the NTHS03:
| Parameter | Specification Details |
| Model Number | NTHS03 |
| Manufacturer | ABB (Bailey Controls) |
| Series | Symphony Harmony / INFI 90 |
| Product Type | Hydraulic Servo Termination Unit (TU) |
| Supported Modules | IM/SPHSS03, IM/SPHSS04, IM/SPHSS05, IM/SPHSS13 |
| Rated Voltage | 24 VDC |
| Rated Current | 0.6 A |
| Power Consumption | 10 W |
| Protection | Integrated Surge and EMI Filtering |
| Wiring Interface | Spring-type or Plug-in Terminals |
| Dimensions (WxHxD) | 33 mm x 185 mm x 178 mm |
| Weight | 0.3 kg (0.66 lbs) |
| Operating Temp | -20 °C to +60 °C (-4 °F to 140 °F) |
| Compliance | CE Marked, UL Listed, CSA Certified |
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Operations Director, GermanyRelated Products
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