Siemens RDF870MB On-Off HVAC Control, 10 A, 230V, 60 °C, -25 °C, 35 °C
- RS Stock No.:
- 639-142
- Mfr. Part No.:
- RDF870MB / S55770-T408
- Brand:
- Siemens
Subtotal (1 unit)*
£193.43
(exc. VAT)
£232.12
(inc. VAT)
FREE delivery for orders over £60.00
Stocked by manufacturer
- Ready to ship from 05 October 2026
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Units | Per unit |
|---|---|
| 1 + | £193.43 |
*price indicative
- RS Stock No.:
- 639-142
- Mfr. Part No.:
- RDF870MB / S55770-T408
- Brand:
- Siemens
Specifications
Technical Reference
Legislation and Compliance
Product Details
Find similar products by selecting one or more attributes.
Select all | Attribute | Value |
|---|---|---|
| Brand | Siemens | |
| Product Type | HVAC Control | |
| Sub Type | Thermostat | |
| Switch Configuration | On-Off | |
| Supply Voltage | 230V | |
| Maximum Operating Temperature | 60°C | |
| Minimum Operating Temperature | -25°C | |
| Contact Current | 10A | |
| Standards/Approvals | EU, RCM, IEC 60721-3-3, CE | |
| Temperature Setting Range | 35 °C | |
| Series | RDF870MB | |
| Select all | ||
|---|---|---|
Brand Siemens | ||
Product Type HVAC Control | ||
Sub Type Thermostat | ||
Switch Configuration On-Off | ||
Supply Voltage 230V | ||
Maximum Operating Temperature 60°C | ||
Minimum Operating Temperature -25°C | ||
Contact Current 10A | ||
Standards/Approvals EU, RCM, IEC 60721-3-3, CE | ||
Temperature Setting Range 35 °C | ||
Series RDF870MB | ||
- COO (Country of Origin):
- CN
The Siemens Room Controller is a flush-mounted, touch-enabled device designed for advanced indoor air quality and ventilation management. It supports MODBUS communication and integrates sensors for PM2.5 and CO₂, making it ideal for smart buildings and energy-efficient HVAC systems. This controller is perfect for modern ventilation setups where air quality, energy efficiency, and user experience are top priorities.
RS485 Modbus RTU slave mode
Backlit display
UL94 V0 flammability rating
Related links
- Siemens RDD100 On-Off Thermostat 230V -25 °C, 35 °C
- Siemens 8MR2 Thermostat 230V -45 °C, -25 to 35 °C
- Siemens S55770 Thermostat 250V ac 5 °C, 5 to 35°C
- Siemens 8MR2171 NO Thermostat 35 °C
- SAUTER REGULATION EGT 386 Temperature Sensor -35 °C, -35 to 70 °C
- SAUTER REGULATION EGT 688 Temperature Sensor -35 °C, -35 to 70 °C
- SAUTER REGULATION EGT 388 Temperature Sensor -35 °C, -35 to 70 °C
- SAUTER REGULATION EGT 686 Temperature Sensor -35 °C, -35 to 70 °C