Siemens RDG40 1 NO/1 NC Thermostat, 1 A, 24V ac, 49 °C, 0 °C

RS Stock No.:: 287-8918
Mfr. Part No.:: RDG405KN / S55770-T348
Manufacturer:: Siemens

Siemens RDG40 1 NO/1 NC Thermostat, 1 A, 24V ac, 49 °C, 0 °C

Subtotal (1 unit)*

PHP23,443.13

(exc. VAT)

PHP26,256.31

(inc. VAT)

FREE delivery for orders over ₱3,000.00

Stocked by manufacturer

Ready to ship from May 19, 2026

Need more? Click ‘Check delivery dates’ to find extra stock and lead times.

Units	Per Unit
1 +	PHP23,443.13

*price indicative

RS Stock No.:: 287-8918
Mfr. Part No.:: RDG405KN / S55770-T348
Manufacturer:: Siemens

Specifications

Technical data sheets

Legislation and Compliance

Product Details

Find similar products by selecting one or more attributes.

Select all	Attribute	Value
	Brand	Siemens
	Product Type	Thermostat
	Sub Type	Room Thermostat with KNX Communication
	Contact Voltage	24V ac
	Switch Configuration	1 NO/1 NC
	Supply Voltage	24V ac
	Maximum Operating Temperature	49°C
	Minimum Operating Temperature	0°C
	Contact Current	1A
	Standards/Approvals	II as per EN 60730, CE, RoHS directive Since:28.05.2019, RCM
	Series	RDG40
	Temperature Setting Range	0 to 49°C

	Select all
	Brand Siemens
	Product Type Thermostat
	Sub Type Room Thermostat with KNX Communication
	Contact Voltage 24V ac
	Switch Configuration 1 NO/1 NC
	Supply Voltage 24V ac
	Maximum Operating Temperature 49°C
	Minimum Operating Temperature 0°C
	Contact Current 1A
	Standards/Approvals II as per EN 60730, CE, RoHS directive Since:28.05.2019, RCM
	Series RDG40
	Temperature Setting Range 0 to 49°C

Datasheet - RDG405KN

The Siemens room thermostat with KNX communications it is designed for VAV heating and cooling systems and is capable of controlling room temperature and indoor air quality. With its backlit display and PI/P control, it offers convenient and precise control options. The thermostat has multiple outputs for VAV box/air damper and heating/cooling coil, allowing for flexible integration and control. It also features adjustable commissioning and control parameters, and can be easily commissioned using Synco ACS, ETS, or via local HMI. With its integration capabilities into Synco and other third-party systems, the room thermostat offers a versatile solution for efficient and customizable temperature control and indoor air quality management.

2 multifunctional inputs for keycard contact, external sensor, etc.

Operating modes, Comfort, Economy, and Protection for customizable control

Integration into Synco and Design systems via group addressing

Indoor air quality control loop with external CO sensor (RDG405KN) for enhanced air quality management

Integration into third-party systems via group addressing (ETS)

Automatic or manual heating/cooling changeover for optimized comfort

Adjustable commissioning and control parameters for personalized control options