Analogue room device PPS Sigmagyr- SIEMENS - QAA50.110/101
QAA50.110/101/SI
€108.24
Colissimo
Delivery expected from 2026-09-24
Available
Delivery & returns
- ✓ Free delivery on orders over €79 in France
- ✓ Free returns within 30 days
The Siemens QAA50.110: room thermostat for boilers with a PPS interface
Ideal for detached houses and holiday homes, the Siemens QAA50.110 can be used in conjunction with a heating or boiler controller (including the Siemens RVP series).
It is suitable for use with radiator, convector, ceiling or underfloor heating.
Powered by PPS, it connects via two interchangeable wires and weighs only around 0.17 kg
Features of the Siemens QAA50.110
- Maximum cable length 75 m for a cross-section of 0.5 mm²
- Max. cable resistance: 2 × 3 Ohms
- QAA50.110 energy consumption: 45 mW (typical)
- Class III protection as per EN 60730, when installed in accordance with the instructions
- Box protection rating for QAA50.110: IP20 as per EN 60529
- Environmental clogging as per EN 60730
- Operates as per IEC 721-3-3, Class 3K 5
- Temperatures 0 - 50 °C, no condensation
- Humidity < 85 % relative
- Power supply: from the controller
- Communication: PPS
- Setpoint adjustment range: +/- 3K
To install the Siemens QAA50.110 correctly, please refer to the technical manual and take into account the specific requirements of the installation and the premises.
Additional information:
This part is sold under boiler manufacturer packaging, without any modification.
Features of product: ANALOGUE ROOM DEVICE PPS SIGMAGYR- SIEMENS - QAA50.110/101
- Package Weight (kg)
- 0.162
- Package Height (m)
- 0.055
- Package Width (m)
- 0.1
- Package Length (m)
- 0.1
The Keys to Siemens Regulation: From Sensor to Actuator
In building management systems (BMS), Siemens components are essential for automation. A high-performance system relies on seamless communication between the measuring device and the control element.
1. Siemens Thermostat: Measurement and Comfort
The Siemens thermostat is the dialogue point between the user and the heating system. It is not just used to display the temperature but also to finely control heating, often through sophisticated protocols.
We provide wired or wireless programmable room thermostats, essential for managing independent heating zones and optimizing time slots. Choosing the right model ensures precise settings (+/- 0.5°C), directly translating into savings.
2. Siemens Actuator: Action and Efficiency
The Siemens actuator is the hydraulic actuator. Its role is to precisely position valves (mixing valves or zone valves) in order to control the flow of hot water to a given circuit.
As the centerpiece of the heating zone, it must be fully compatible with the regulation electronics (0-10V signal, 3 points) and the valve it is mounted on. Replacing a faulty actuator allows for immediate restoration of optimal control over the water mix (supply/return) and avoids unnecessary overheating.
Advice for Identification and Compatibility
With Siemens' extensive and highly technical range, it is vital to check the specifications of the part to be replaced:
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Product reference: Always rely on the 7 or 8 character code on the label (e.g., RDE10.1). This code determines the function, voltage, and communication protocol.
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For Actuators: Check the power (torque) and stroke duration (opening/closing time) to ensure it can move your valve.
Expert Tip: When replacing a Siemens thermostat or a Siemens actuator, check the configuration of the dip switches or the initial programming. Incorrect calibration of the zero point or end stroke can lead to malfunctions, even if the part is new.
Ensure the reliability of your regulation system with ExpertByNet, the specialist in Siemens components for HVAC.
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