Siemens RDG400 On-Off Thermostat, 230V, 70 °C, -40 °C
- RS Stock No.:
- 639-145
- Mfr. Part No.:
- RDG400 / S55770-T164
- Brand:
- Siemens
Subtotal (1 unit)*
£418.19
(exc. VAT)
£501.83
(inc. VAT)
FREE delivery for orders over £60.00
Stocked by manufacturer
- Ready to ship from 11 May 2026
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Units | Per unit |
|---|---|
| 1 + | £418.19 |
*price indicative
- RS Stock No.:
- 639-145
- Mfr. Part No.:
- RDG400 / S55770-T164
- 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 | Thermostat | |
| Sub Type | Thermostat | |
| Switch Configuration | On-Off | |
| Supply Voltage | 230V | |
| Maximum Operating Temperature | 70°C | |
| Minimum Operating Temperature | -40°C | |
| Standards/Approvals | IEC 60721-3-1, EAC, CE | |
| Temperature Setting Range | 70 °C | |
| Series | RDG400 | |
| Select all | ||
|---|---|---|
Brand Siemens | ||
Product Type Thermostat | ||
Sub Type Thermostat | ||
Switch Configuration On-Off | ||
Supply Voltage 230V | ||
Maximum Operating Temperature 70°C | ||
Minimum Operating Temperature -40°C | ||
Standards/Approvals IEC 60721-3-1, EAC, CE | ||
Temperature Setting Range 70 °C | ||
Series RDG400 | ||
Non Compliant
- COO (Country of Origin):
- CN
The Siemens Room Thermostat is tailored for VAV (Variable Air Volume) heating and cooling systems, operating on AC 24 V. It designed to deliver precise climate control in commercial and industrial environments. It intelligently regulates variable airflow to maintain optimal comfort while reducing energy consumption. It is ideal for projects requiring dynamic airflow control and energy-efficient temperature regulation.
Backlit display
Modulating PI control
RoHS compliant