Description
The Belimo PRCA-BAC-S2-T is a high-torque rotary actuator delivering 160 Nm for precise control of large dampers and valves. It supports a wide AC/DC voltage range and multiple communication protocols, including BACnet MS/TP, Modbus RTU, and MP-Bus, enabling advanced integration with building automation systems.
Technical Specifications
| Condition |
New/Never Used Surplus |
| Brand |
Belimo |
| Category |
Valve Actuators |
| Part Number |
PRCA-BAC-S2-T |
| Subcategory |
Rotary Actuators |
| Actuator Type |
Communicating rotary actuator |
| Nominal Torque |
160 Nm |
| Nominal Voltage |
AC 24…240 V / DC 24…125 V |
| Nominal Frequency |
50/60 Hz |
| Voltage Range |
AC 19.2…264 V / DC 19.2…137.5 V |
| Power Consumption (Running) |
20 W |
| Power Consumption (Rest) |
6 W |
| Control Signals |
2…10 V, 0.5…10 V, 4…20 mA |
| Communication Protocols |
BACnet MS/TP, Modbus RTU, MP-Bus |
| Auxiliary Switches |
2 × SPDT |
| Angle of Rotation |
90° |
| Running Time |
35 s / 90° (adjustable 30…120 s) |
| Position Accuracy |
±5% |
| Degree of Protection |
IP66/67 |
| Ambient Temperature |
-22…122°F (-30…50°C) |
| Weight |
5.8 kg |
Information About PRCA-BAC-S2-T
The PRCA-BAC-S2-T is part of Belimo’s advanced communicating actuator range designed for precise and reliable control in complex HVAC and industrial automation systems. It features a robust motor capable of delivering 160 Nm of torque and supports direct digital communication via BACnet MS/TP, Modbus RTU, and MP-Bus for seamless integration. The actuator operates across a broad AC/DC voltage range and includes dual auxiliary switches for position signaling and system interlocking. Built with a rugged IP66/67 enclosure, it is suited for demanding environments while remaining maintenance-free throughout its service life.
Key Features
- High Torque Output: Delivers 160 Nm of motor torque, supporting reliable operation of large dampers and valves.
- Multi-Protocol Communication: Integrated BACnet MS/TP, Modbus RTU, and MP-Bus enable flexible connection to building automation systems.
- Wide Voltage Compatibility: Supports AC 24–240 V and DC 24–125 V power supplies for versatile installation scenarios.
- Adjustable Actuation Speed: Running time configurable from 30 to 120 seconds per 90° rotation to match system requirements.
- Integrated Auxiliary Switches: Two SPDT switches provide configurable position feedback and control interlocking.
- Rugged Environmental Protection: IP66/67 enclosure rating ensures resistance to dust, moisture, and harsh operating conditions.
- Manual Override Capability: Built-in hand crank allows manual positioning during commissioning or power loss.
The PRCA-BAC-S2-T delivers the reliability and precision required for high-torque, networked actuator control in commercial and industrial automation systems.
