Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

Danfoss Thermostat RT 103 - Controls
DanfossControls

Danfoss Thermostat RT 103

The Danfoss Thermostat RT 103 is a temperature-controlled control device featuring a unipolar inverter contact, available in multiple temperature ranges to suit diverse industrial applications across Southeast Asia…

SKU 3G-CBM-01870

Also listed as: DAN 05026 · DAN-05026

Brand
Danfoss
Item
Thermostat RT 103
Category
Controls
UNSPSC
39121026 — Control power transformer
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

Danfoss
contact type
unipolar inverter contact
control method
temperature-controlled
temperature range rt8
-20 → 12 °C
temperature range rt9
-45 → -15 °C
temperature range rt10
-60 → -25 °C
temperature range rt12
-5 → 10 °C
temperature range rt13
-30 → 0 °C
temperature range rt14
-5 → 30 °C
temperature range rt15
8 → 32 °C
temperature range rt17
-50 → -15 °C
temperature range rt23
5 → 22 °C
temperature range rt26
-5 → 50 °C
temperature range rt101
25 → 90 °C
temperature range rt106
20 → 90 °C
temperature range rt107
70 → 150 °C
temperature range rt108
30 → 140 °C
temperature range rt120
120 → 215 °C
temperature range rt123
150 → 250 °C
temperature range rt124
200 → 300 °C
temperature range rt3 2 7
-25 → 15 °C

Datasheet Content

Fiche technique Thermostats Type RT Description Les thermostats RT comportent un contact inverseur unipolaire commandé par température. La position de ce contact est fonction de la température du bulbe et de la valeur de consigne. La série RT comprend des thermostats à usage général, maritime et industriel, y compris thermostats différentiels, thermostats à zone neutre réglable, ainsi que thermostats à bulbe d'ambiance, à bulbe au bout d’un capillaire gainé et à bulbe au bout d’un capillaire. Contenu Page Description ...............................................................................................................................................................................1 Récapitulatif des types de thermostats selon les plages de température.........................................................2 Caractéristiques techniques, tous les types..................................................................................................................3 Nomogrammes des différentiels ......................................................................................................................................5 Caractéristiques techniques ...............................................................................................................................................7 Homologations .......................................................................................................................................................................7 Dimensions et poids .............................................................................................................................................................8 Choix de poche à bulbe .......................................................................................................................................................8 Montage, réglage ...................................................................................................................................................................9 Fonctionnement .................................................................................................................................................................. 10 Charges ................................................................................................................................................................................... 11 Thermostats pour les installations de ventilation ................................................................................................... 12 Thermostats à zone neutre réglable ............................................................................................................................ 13 Thermostats différentiels.................................................................................................................................................. 14 Pièces et accessoires .......................................................................................................................................................... 15 INDUSTRIAL CONTROLS IC.PD.P10.E1.04 - 520B2251 Fiche technique Thermostats, type RT Thermostats type RT Plage −50 0 50 100 150 200 250 300°C pe Type bar −60 → −25 RT 10 Thermostats à bulbe à distance cylindrique −45 → −15 RT 9 −30 → 0 RT 13 −25 → 15 RT 3,2,7 −20 → 12 RT 8 −5 → 10 RT 12 −5 → 30 RT 14 −5 → 50 RT 26 5 → 22 RT 23 8 → 32 RT 15 25 → 90 RT 101 20 → 90 RT 106 30 → 140 RT 108 70 → 150 RT 107 120 → 215 RT 120 150 → 250 RT 123 200 → 300 RT 124 −50 → −15 RT 17 Thermostats à bulbe d’ambiance, de gaine ou capillaire −30 → 0 RT 11 −25 → 15 RT 34 −5 → 30 RT 4 10 → 35 RT 115 10 → 45 RT 103 15 → 45 RT 140 40 → 80 RT 141 25 → 90 RT 102 −20 → 12 RT 8L Thermostats à zone neutre réglable −5 → 30 RT 14L 0 → 38 RT 16L 15 → 45 RT 140 L 25 → 90 RT 101L Thermostats différentiels 0 → 15 RT 270 0 → 20 RT 271 2 IC.PD.P10.E1.04 - 520B2251 Fiche technique Thermostats, type RT Caractéristiques techniques A la commande, indiquer le type et le numero de Charges et numéros de code code A: Charge de vapeur: ne pas placer le bulbe dans une zone plus chaude que le boîtier. B: Charge à adsorption C: Charge quantitative: ne pas placer le bulbe dans une zone plus froide que le boîtier Thermostats à bulbe à distance cylindrique Versions conseillées Plage de la Plage différentielle Température Longueur № de code réglage réglable*) de bulbe du tube max. capillaire Réglage de Réglage de plage min. plage max. Type de Type…

Technical Documents

(1)
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

Danfoss Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The Danfoss Thermostat RT 103 is a temperature-controlled control device featuring a unipolar inverter contact, available in multiple temperature ranges to suit diverse industrial applications across Southeast Asia. Models span from RT8 (−20 → 12 °C) through RT124 (200 → 300 °C), enabling precise thermal management in refrigeration, HVAC, and process heating systems. 3G Electric sources and supplies this versatile control range for deployment throughout Singapore and the region, with full DDP logistics support.

Frequently Asked Questions

What is the Danfoss Thermostat RT 103 used for?

The Danfoss Thermostat RT 103 is a temperature-controlled device with a unipolar inverter contact used for precise thermal management in refrigeration, HVAC, and process heating systems across Southeast Asia. It is suitable for industrial applications requiring reliable temperature regulation, such as cold storage, air handling, and heat treatment.

What are the specifications of the Danfoss Thermostat RT 103?

The Danfoss Thermostat RT 103 features a unipolar inverter contact controlled by temperature. It is available in multiple temperature ranges, from RT8 (−20 → 12 °C) to RT124 (200 → 300 °C), covering diverse industrial needs. The series includes models for general, marine, and industrial use, with options for adjustable neutral zone and differential.

Where to buy Danfoss Thermostat RT 103 in Singapore?

3G Electric sources and supplies the Danfoss Thermostat RT 103 range for deployment throughout Singapore. We handle logistics, customs clearance, and delivery to your site, providing technical support locally. Contact us for pricing and lead time on your specific model requirements.

How to install the Danfoss Thermostat RT 103?

Install the Danfoss Thermostat RT 103 by mounting the bulb in the medium to be controlled, ensuring proper capillary routing. Set the desired temperature using the adjustment knob. For best practice, avoid sharp bends in the capillary and secure the device against vibration. Refer to the manufacturer's datasheet for specific mounting and differential settings.

Used in

Common applications for Danfoss
Light-oil industrial burners — OD / OD-H nozzles as scheduled replacement parts
Heating-boiler oil-supply circuits — BFP 10L / 11L / 41L pumps and coupling kits
Burner-rack solenoid valves — EV and EVR series for oil and gas shut-off
Legacy plant troubleshooting — matching a failed burner nameplate to correct Danfoss nozzle/pump combination
Refrigeration pressure controls — KP / RT series for secondary-refrigerant loops

Danfoss Products

3G Electric supplies Danfoss controls. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Compatible alternatives & equivalents

Cross-referenced by specification & description
Thermostat RT 106
Danfoss
Thermostat RT 106
Thermostat RT 101
Danfoss
Thermostat RT 101
Thermostat RT 107
Danfoss
Thermostat RT 107
RT 14 thermostat
Danfoss
RT 14 thermostat
Thermostat RT 124
Danfoss
Thermostat RT 124
Thermostat RT 4
Danfoss
Thermostat RT 4

More from Danfoss

View all Danfoss parts
Pressure switch RT 1A 0.8/5bar
Danfoss
Pressure switch RT 1A 0.8/5bar
Thermostat RT 7
Danfoss
Thermostat RT 7
Pressure switch RT 262 A
Danfoss
Pressure switch RT 262 A
Thermostat RT 34
Danfoss
Thermostat RT 34
Danfoss
Danfoss
Bulb pouch
Pressure switch RT 113
Danfoss
Pressure switch RT 113
Pressure switch RT 116
Danfoss
Pressure switch RT 116
Pressure switch RT 112
Danfoss
Pressure switch RT 112