Siemens QAF81 SPCO Thermostat, 24V dc, 15 °C, -5 °C
- RS Stock No.:
- 287-8730
- Mfr. Part No.:
- QAF81.3 / BPZ:QAF81.3
- Brand:
- Siemens
Subtotal (1 unit)*
£481.84
(exc. VAT)
£578.21
(inc. VAT)
FREE delivery for orders over £60.00
Stocked by manufacturer
- Ready to ship from 12 May 2026
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Units | Per unit |
|---|---|
| 1 + | £481.84 |
*price indicative
- RS Stock No.:
- 287-8730
- Mfr. Part No.:
- QAF81.3 / BPZ:QAF81.3
- 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 | |
| Contact Voltage | 30, 250V dc | |
| Switch Configuration | SPCO | |
| Supply Voltage | 24V dc | |
| Maximum Operating Temperature | 15°C | |
| Minimum Operating Temperature | -5°C | |
| Standards/Approvals | EN 60730-1 | |
| Temperature Setting Range | -5 to 15°C | |
| Series | QAF81 | |
| Select all | ||
|---|---|---|
Brand Siemens | ||
Product Type Thermostat | ||
Contact Voltage 30, 250V dc | ||
Switch Configuration SPCO | ||
Supply Voltage 24V dc | ||
Maximum Operating Temperature 15°C | ||
Minimum Operating Temperature -5°C | ||
Standards/Approvals EN 60730-1 | ||
Temperature Setting Range -5 to 15°C | ||
Series QAF81 | ||
- COO (Country of Origin):
- CZ
The Siemens frost unit is a reliable solution for air-side monitoring of temperature in LTHW heating coils in ventilation and air conditioning systems. With features like a small switching differential, good repeatability, and automatic reset capabilities, this frost unit offers efficient frost protection to prevent damage. It is designed with a robust aluminium housing and a responsive capillary to ensure accurate temperature monitoring.
Small switching differential for precise temperature control
Automatic reset function for convenience
Good repeatability ensuring reliable performance
Robust aluminium die-cast housing for durability
Setpoint adjustment range from -5 to +15 °C for flexibility