BELIMO VRU-D3-BAC
The BELIMO VRU-D3-BAC is a versatile actuator designed for HVAC systems. It provides precise modulation of air and fluid flow, ensuring optimal system performance and energy efficiency. With its durable design and reliable performance, it is perfect for both commercial and industrial applications requiring consistent, energy-efficient operation.
Key Features
- Modular VAV/duct pressure controller with integrated Δp sensor
- Communicative interfaces: BACnet MS/TP, Modbus RTU, MP-Bus
- Hybrid or analogue control: 0/2…10 V or 0.5…10 V input range
- Operating differential-pressure range 0…500 Pa (0…2 inch WC)
- Universal power: AC/DC 24 V with broad supply range
- Position feedback output 0…10 V and override manual controls
৳ 0.00
Description
Ventilation systems in commercial and institutional buildings demand high precision, adaptability, and integration with automation systems. The Belimo VRU-D3-BAC meets this by combining a dynamic flow/pressure sensor (D3) with a modular control platform that can be paired with VST actuators to control dampers, VAV boxes or duct pressure loops. It solves the problem of scattered sensors and controllers by offering one unit that measures differential pressure (-20…500 Pa), processes that data, and drives an actuator—while also communicating with building-automation systems via BACnet MS/TP, Modbus RTU or MP-Bus. Use cases include VAV boxes controlling volume flow, duct static-pressure regulation in AHU supply or extract systems, and CAV unit damper position feedback. Compared to alternative solutions, the VRU-D3-BAC stands out for its integrated differential-pressure sensor, flexibility in control (analogue or digital), and installation convenience (position-independent, no zeroing required) as indicated in the data sheet. belimo.com+3belimo.com+3belimo.com+3 The AC/DC 24 V universal supply, low power consumption, and tool connectivity (NFC/PC-Tool) make it a refined professional choice for automated HVAC systems that demand accuracy, flexibility, and future-proof communication options.
Specifications
- Nominal voltage: AC/DC 24 V. belimo.com+1
- Nominal voltage range: AC 19.2…28.8 V / DC 21.6…28.8 V. belimo.com+1
- Power consumption in operation: 1.5 W. belimo.com
- For wiring sizing: 2 VA plus connected VST actuator. belimo.com
- Sensor input S1: supports external sensor (passive/active/switch). belimo.com+1
- Communication protocols: BACnet MS/TP, Modbus RTU, MP-Bus. belimo.com+1
- Functional range differential pressure: 0…500 Pa (0…2 inch WC). belimo.com
- Accuracy differential pressure: ±1 Pa for 0…20 Pa; ±5% for 20…500 Pa. belimo.com
- Maximum system pressure: 1500 Pa (6 inch WC). belimo.com
- Installation: position-independent, no zeroing required. belimo.com
- Connection: Terminal blocks 2.5 mm² for power/control. belimo.com
- Ambient temperature range: 0…50 °C (32…122 °F). belimo.com
The Belimo VRU-D3-BAC is supplied in Bangladesh via specialised HVAC and building-automation equipment distributors. As a premium integrated controller/sensor unit with full-featured communication and pressure sensing, it falls into the professional grade category—not mass-market. Interested buyers should anticipate pricing aligned with high-end system components, reflecting its brand, complexity and importation factors.
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