Siemens S55770 Room Thermostat, 6 A, 250V ac, 50 °C, 0 °C

RS Stock No.:: 282-5202
Mfr. Part No.:: RAA21 / S55770-T220
Brand:: Siemens

Siemens S55770 Room Thermostat, 6 A, 250V ac, 50 °C, 0 °C

Subtotal (1 unit)*

£24.88

(exc. VAT)

£29.86

(inc. VAT)

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In Stock

Plus 15 unit(s) shipping from 27 April 2026
Plus 30 unit(s) shipping from 27 April 2026

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Units	Per unit
1 +	£24.88

*price indicative

RS Stock No.:: 282-5202
Mfr. Part No.:: RAA21 / S55770-T220
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	Room Thermostat
	Contact Voltage	250V ac
	Supply Voltage	250V ac
	Maximum Operating Temperature	50°C
	Contact Current	6A
	Minimum Operating Temperature	0°C
	Standards/Approvals	EN 60529, EN 60730-1
	Series	S55770
	Temperature Setting Range	8 to 30°C

	Select all
	Brand Siemens
	Product Type Room Thermostat
	Contact Voltage 250V ac
	Supply Voltage 250V ac
	Maximum Operating Temperature 50°C
	Contact Current 6A
	Minimum Operating Temperature 0°C
	Standards/Approvals EN 60529, EN 60730-1
	Series S55770
	Temperature Setting Range 8 to 30°C

COO (Country of Origin):: CN

Siemens Electromechanical Room Thermostat, AC 250V Supply Voltage, 8 to 30 °C - S55770-T220

This energy-efficient electromechanical room thermostat by Siemens, with a high voltage input of 250V AC, provides precise temperature control for heating and cooling systems. It maintains room temperature within a range of 8 to 30 °C, making it ideal for residential and light industrial buildings.

Features & Benefits

• Programmable thermostat for precise temperature control

• 2-position control with separate outputs for heating and cooling

• Gas-filled diaphragm for accurate temperature sensing

• Easy temperature setpoint adjustment for user convenience

• Designed for use with zone valves, thermal valves, burners, fans, and pumps

Applications

• Ideal for use in residential and light industrial buildings

• Suitable for systems requiring heating or cooling only operations

• Compatible with various equipment combinations for versatile application

Can it be used with both heating and cooling systems?

The thermostat is designed for use in systems requiring heating or cooling only operations.

Will it work with zone valves and thermal valves?

Yes, it is compatible with zone valves and thermal valves for enhanced functionality.

Is it programmable for specific temperature ranges?

It allows users to adjust the temperature setpoint within the range of 8 to 30 °C for customised comfort