Siemens Hygrostat, Adjustable, Rail 230V ac
- RS Stock No.:
- 159-560
- Mfr. Part No.:
- 8MR2170-1AF
- Brand:
- Siemens
Subtotal (1 unit)*
£148.73
(exc. VAT)
£178.48
(inc. VAT)
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In Stock
- Plus 2 unit(s) shipping from 09 November 2026
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Units | Per unit |
|---|---|
| 1 + | £148.73 |
*price indicative
- RS Stock No.:
- 159-560
- Mfr. Part No.:
- 8MR2170-1AF
- 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 | Hygrostat | |
| Mount Type | Rail | |
| Adjustable/Preset | Adjustable | |
| Maximum Humidity Setting | 90%RH | |
| Minimum Humidity Setting | 40%RH | |
| Maximum Supply Voltage | 230V ac | |
| IP Rating | IP20 | |
| Minimum Operating Temperature | 0°C | |
| Maximum Operating Temperature | 60°C | |
| Switch Configuration | CO | |
| Width | 42mm | |
| Standards/Approvals | UR, EAC, CE | |
| Depth | 38mm | |
| Height | 64.5mm | |
| Series | 8MR | |
| Select all | ||
|---|---|---|
Brand Siemens | ||
Product Type Hygrostat | ||
Mount Type Rail | ||
Adjustable/Preset Adjustable | ||
Maximum Humidity Setting 90%RH | ||
Minimum Humidity Setting 40%RH | ||
Maximum Supply Voltage 230V ac | ||
IP Rating IP20 | ||
Minimum Operating Temperature 0°C | ||
Maximum Operating Temperature 60°C | ||
Switch Configuration CO | ||
Width 42mm | ||
Standards/Approvals UR, EAC, CE | ||
Depth 38mm | ||
Height 64.5mm | ||
Series 8MR | ||
- COO (Country of Origin):
- DE
Siemens 8MR Series Hygrostat, 40 to 90%RH Humidity Setting, 0 to 60°C Operating Temperature - 8MR2170-1AF
This electronic hygrostat regulates relative humidity in control panels and HVAC systems using an AC supply. It provides an adjustable humidity setpoint range and a changeover switching contact for integrated control loops. Designed for rail mounting, it is intended for vertical installation within electrical distribution or automation enclosures where compact, panel-mounted humidity management is required.
Features and Benefits:
• 230V ac supply enables direct connection to mains power
• Adjustable 40-90%RH setpoint allows precise humidity regulation
• CO changeover contact supports both make and break control
• Mechanical life approx 50,000 cycles ensures long operational use
• IP20 protection permits installation inside enclosed panels
• Adjustable 40-90%RH setpoint allows precise humidity regulation
• CO changeover contact supports both make and break control
• Mechanical life approx 50,000 cycles ensures long operational use
• IP20 protection permits installation inside enclosed panels
Applications
• Suitable for HVAC humidity control
• Ideal for rail-mounted environmental control panels
• Used with dehumidifiers for factory process stability
• Can be used for monitoring humidity in switchgear cabinets
• Ideal for rail-mounted environmental control panels
• Used with dehumidifiers for factory process stability
• Can be used for monitoring humidity in switchgear cabinets
What type of electrical connection does it use?
It employs a five-pole Terminal with screw-type connections and supports rigid conductors up to 2.5 mm² and finely stranded conductors with end processing up to 1.5 mm².
How is the device mounted in electrical installations?
It clips onto a 35 mm rail for DIN-rail installation and is designed for vertical mounting within an enclosure.
What are the operating and storage temperature limits?
The unit operates between 0°C and 60°C and may be stored between -20°C and 70°C.
What Interface helps users read the setpoint or status?
A built-in digital display is provided for viewing settings and operational information.