Danfoss RT26 017-518066 PRESOSTAT
Danfoss RT26 017-518066 Pressure Switch
The Danfoss RT26 017-518066 pressure switch is a limit thermostat designed to provide reliable temperature control in systems operating within a −5 °C to +50 °C range.
Equipped with an automatic reset function, a remote sensing bulb, and a 2-meter capillary tube, it offers flexible installation options. The SPDT contact output allows electrical circuits to open or close automatically as temperature increases or decreases.
With an IP66 protection rating, the RT26 is resistant to water splashes, dust, and harsh environmental conditions. Thanks to its adjustable differential settings and robust electrical ratings, it is ideal for HVAC, refrigeration, spare part replacements, and other thermal control applications in industrial systems.
Technical Specifications
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Gross weight: 0.974 kg
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Net weight: 0.862 kg
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Volume: 2.661 L
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EAN: 5702428519168
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Electrical connection: Screw terminal, size 2 × Pg 13.5 (DIN 40430)
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Electrical standard: EN 60947-4 / EN 60947-5
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Insulation voltage: 400 V
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Impulse voltage: 4 kV
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Short-circuit protection (fuse): 10 A
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Cable cross-section:
– With lugs: 0.2–1.5 mm²
– Without lugs: 0.2–2.5 mm²
– Solid/Stranded: 0.2–2.5 mm² -
Contact function: SPDT
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Contact rating:
– AC15 = 3 A / 400 V
– AC1 = 10 A / 400 V
– AC3 = 4 A / 400 V
– DC13 = 12 W / 220 V
– LR = 28 A / 400 V -
Protection class: IP66
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Differential (adjustable):
– Max range: 3 – 19 °C
– Min range: 2 – 9 °C -
Capillary length: 2000 mm
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Sensor size: Ø 9.5 × 80 mm
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Sensor type: Remote bulb
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Max sensor temperature: 150 °C (302 °F)
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Temperature range: −5 °C … +50 °C
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Ambient temperature: −50 °C … +70 °C
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Reset function: Automatic
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Approvals: CE, UKCA, EAC, CCC, RMRS, RoHS, etc.
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Protection class: IP66 (dust-tight, water-resistant)
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Product type: RT26
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Product description: Thermostat / Temperature switch
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Application fields: Industrial heating and cooling, HVAC, refrigeration systems, thermal safety control.