Siemens Electric 2 port Valve Actuator -, 24 V Supply Voltage
- RS Stock No.:
- 639-322
- Mfr. Part No.:
- STP121.40L10 / S55174-A221
- Brand:
- Siemens
Subtotal (1 unit)*
£33.03
(exc. VAT)
£39.64
(inc. VAT)
FREE delivery for orders over £50.00
Temporarily out of stock
- Shipping from 20 October 2025
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Units | Per unit |
---|---|
1 + | £33.03 |
*price indicative
- RS Stock No.:
- 639-322
- Mfr. Part No.:
- STP121.40L10 / S55174-A221
- 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 | |
Number of Ports Supported | 2 | |
Maximum Closing Time | 210s | |
Supply Voltage | 24 V | |
Power Rating | 1W | |
Actuator Type | Electric | |
Select all | ||
---|---|---|
Brand Siemens | ||
Number of Ports Supported 2 | ||
Maximum Closing Time 210s | ||
Supply Voltage 24 V | ||
Power Rating 1W | ||
Actuator Type Electric | ||
RoHS Status: Exempt
- COO (Country of Origin):
- DE
The Siemens Thermal actuator is built for reliable functionality in heating, ventilation, and cooling systems powered by 24V AC/DC. It operates in a NO configuration, ensuring responsive control in temperature-sensitive environments, its 4.0 mm stroke ensures precise valve actuation. With compact construction, it's well-suited for installations with limited space. Its durable design supports consistent performance across varied system applications.
IP54 housing protective class
Robust construction and quiet operation
RoHS compliant
CE and UKCA compliant
Robust construction and quiet operation
RoHS compliant
CE and UKCA compliant
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