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 28 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 | |
| Contact Current | 10A | |
| Minimum Operating Temperature | -25°C | |
| Standards/Approvals | EU, RCM, IEC 60721-3-3, CE | |
| Series | RDF870MB | |
| Temperature Setting Range | 35 °C | |
| Select all | ||
|---|---|---|
Brand Siemens | ||
Product Type HVAC Control | ||
Sub Type Thermostat | ||
Switch Configuration On-Off | ||
Supply Voltage 230V | ||
Maximum Operating Temperature 60°C | ||
Contact Current 10A | ||
Minimum Operating Temperature -25°C | ||
Standards/Approvals EU, RCM, IEC 60721-3-3, CE | ||
Series RDF870MB | ||
Temperature Setting Range 35 °C | ||
- 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
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