Siemens RDH Wall Mount Thermostat 1 Input, 1 Output Relay 3V dc PID Controller
- RS Stock No.:
- 245-173
- Mfr. Part No.:
- RDH100RF/SET / S55770-T378
- Brand:
- Siemens
Subtotal (1 unit)*
£123.81
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£148.57
(inc. VAT)
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Units | Per unit |
|---|---|
| 1 + | £123.81 |
*price indicative
- RS Stock No.:
- 245-173
- Mfr. Part No.:
- RDH100RF/SET / S55770-T378
- 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 | |
| Output Type | Relay | |
| Number of Inputs | 1 | |
| Number of Outputs | 1 | |
| Maximum Current | 8A | |
| Maximum Operating Temperature | +30°C | |
| Minimum Operating Temperature | +5°C | |
| Control Type | PID Controller | |
| Maximum Supply Voltage | 3V dc | |
| Display Type | LCD | |
| Maximum Voltage | 250V ac | |
| Standards/Approvals | UKCA, EAC, CE | |
| Width | 120mm | |
| Length | 26.9mm | |
| IP Rating | IP20 | |
| Mount Type | Wall Mount | |
| Series | RDH | |
| Select all | ||
|---|---|---|
Brand Siemens | ||
Product Type Thermostat | ||
Output Type Relay | ||
Number of Inputs 1 | ||
Number of Outputs 1 | ||
Maximum Current 8A | ||
Maximum Operating Temperature +30°C | ||
Minimum Operating Temperature +5°C | ||
Control Type PID Controller | ||
Maximum Supply Voltage 3V dc | ||
Display Type LCD | ||
Maximum Voltage 250V ac | ||
Standards/Approvals UKCA, EAC, CE | ||
Width 120mm | ||
Length 26.9mm | ||
IP Rating IP20 | ||
Mount Type Wall Mount | ||
Series RDH | ||
- COO (Country of Origin):
- CN
Siemens RDH Series Thermostat, 8A Maximum Current, 250V AC Maximum Voltage - RDH100RF/SET / S55770-T378
This thermostat is a wall-mounted radio frequency controller designed to regulate environmental temperature within defined limits. It provides a clear LCD for status readout and connects to external systems via a single relay output, making it suitable for control panels and building automation where Compact radio-linked control is required.
Features and Benefits:
• Relay output rated for 8A protects connected actuators
• Operates from a 3V supply for low-voltage installations
• Supports switching up to 250V AC for mains-controlled loads
• IP20 enclosure suitable for internal, protected locations
• LCD display gives straightforward operational feedback
• Single-input handling simplifies integration with Basic sensors
• Operates from a 3V supply for low-voltage installations
• Supports switching up to 250V AC for mains-controlled loads
• IP20 enclosure suitable for internal, protected locations
• LCD display gives straightforward operational feedback
• Single-input handling simplifies integration with Basic sensors
Applications
• Suitable for room temperature control in commercial buildings
• Ideal for integration with HVAC control panels using RF links
• Used with electrically driven valves and actuators requiring relay switching
• Can be used for monitored zones where Compact wall mounting is needed
• Ideal for integration with HVAC control panels using RF links
• Used with electrically driven valves and actuators requiring relay switching
• Can be used for monitored zones where Compact wall mounting is needed
What environmental temperature range can it operate within?
It functions reliably between +5°C to +30°C, matching typical indoor climate control requirements.
How is the unit mounted and connected electrically?
The device is intended for wall mounting and provides one output relay and one input for straightforward wiring to control circuits.
What form factor and protection level should installers expect?
Expect a slim profile with a width of 120mm and length of 26.9mm, housed in an IP20‑rated enclosure for indoor use.
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