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Danfoss Pressure switch RT 1A 0.8/5bar - Controls
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Danfoss Pressure switch RT 1A 0.8/5bar

Danfoss RT 1A pressure switch for industrial hydraulic and pneumatic systems, rated 0.8/5 bar with 3/8 in connection and M10-0.75 threading. Suits compact control applications requiring reliable pressure monitoring.

SKU 3G-CBM-01861

Also listed as: DAN 05004 · DAN-05004

Brand
Danfoss
Item
Pressure switch RT 1A 0.8/5bar
Category
Controls
UNSPSC
39121026 — Control power transformer
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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
connection
3/8 in, M10-0.75
cable diameter
6 to 14 mm
pressure range
0.8/5 bar

Datasheet Content

INSTRUCTIONS RT 1, 1A, 5, 5A 017R9507 017R9507 3/8 in Æ6.5 / Æ10 mm Fig. 1. RT 1 Fig. 2. RT 5A Fig. 3 RT 1, 5: RT 1A, 5A: 1 m, 1/4 in ´ 1/4 in flare 1 m, 3/8 in ´ M10-0.75 060-0071 060-0082 Fig. 4 Fig. 6 RT 1, RT 1A RT 5, RT 5A (LP) (HP) Pg 13.5 ´ 5/8 in -18 UNF 3 /8 in ´ 1/4 in flare 614X3009 017-4205 Fig. 5 Fig. 7 Fig. 8 Kølemidler Montering DANSK RT 1 og 5: alle fluorerede Pressostaten monteres på ventiltavlen eller på RT 1A og 5A: R 717 (NH3) samt alle fluorerede selve kompressoren. Pressostater Benyt monteringshullerne 25. Tilladeligt driftstryk, PB: 22 bar Hvis apparatet kan blive udsat for vibrationer, Tekniske data bør det monteres på et blødt underlag. Maks. prøvetryk, p': 25 bar Regule- Indstillelig Forekommer der trykpulsationer i anlægget, skal rings- mekanisk Type Best.nr. Reset område differens Maks. till. temp. i bælg: 70°C disse dæmpes effektivt, f.eks. ved at tilslutte bar (pe) bar(Dp) pressostaten til anlægget ved hjælp af et kapillar- Tæthedsgrad: IP 66 iht. IEC 529 rør. Se fig. 6. 017-5245 – 0.5 til 1.6 RT 1 017-5246 min. fast ca. 0.5 Kontaktbelastning: El-tilslutning Se fig. 5 017-5001 – –0.8 0.5 til 1.6 Se kontaktdækslet eller fig. 4. START = slutte ® +5 Mærkningen, f.eks.10(4) A, 400 V ~, angiver, at STOP = bryde RT 1A 017-5002 min. fast ca. 0.5 der maks. må tilsluttes 10 A ohmsk eller 4 A DIFF = differens 017-5007 – 1.3 til 2.4 induktiv belastning ved 400 V ~. Den maksimale Kabeldiameter: 6 ® 14 mm startstrøm ved indkobling af motor (L.R.) må Jordforbindelse tilsluttes jordskruen 38. 017-5250 – 1.2 til 4 RT 5 være op til syv gange den induktive belastning – Beskyttelsesdækslet monteres. 017-5251 maks. fast ca. 1.2 dog maks. 28 A. RT pressostaterne opfylder 4 ® 17 017-5046 – 1.2 til 4 betingelserne i VDE* 0660. RT 5A 017-5047 maks. fast ca. 1.2 *VDE = Verband Deutscher Elektrotechniker 3/8 in Ð6.5/Ð10 mm Fig. 1. RT 1 Fig. 2. RT 5A Fig. 3 RT 1, 5: RT 1A, 5A: 1 m, 1/4 in ´ 1/4 in flare 1 m, 3/8 in ´ M10-0.75 060-0071 060-0082 Fig. 4 Fig. 6 RT 1, RT 1A RT 5, RT 5A (LP) (HP) Pg 13.5 ´ 5/8 in -18 UNF 3 /8 in ´ 1/4 in flare 614X3009 017-4205 Fig. 5 Fig. 7 Fig. 8 Indstilling Se fig. 2, 3 og 5 Alle RT-typer uden reset samt RT-typer med min. Pressostaten indstilles på laveste aktiverings- reset har skalaen kalibreret således at den på ENGLISH tryk (områdeindstilling). skalaen indstillede værdi svarer til kontaktskifte ved laveste aktiveringstryk (normal indstilling). Pressure controls NB: RT 5 og 5A med maks. reset (best.nr. I RT-apparater med min. reset skal trykket i 017-5251 og 017-5047) indstilles på højeste bælgsystemet stige med en værdi svarende til Technical data aktiveringstryk (områdeindstilling). differensen, før manual reset kan ske. Indstillingen udføres med områdespindelen 44 RT-apparater med maks. reset har skalaen Adjustable under samtidig aflæsning af hovedskalaen 9. kalibreret således, at den på skalaen indstillede Range mechanical Type Code no. Reset bar (p ) differential e Differensen indstilles med differensrullen 19 efter værdi svarer til kontaktskifte ved højeste akti- bar(Dp) diagrammet fig. 3. veringstryk (NB: modsat normal indstilling). Højeste aktiveringstryk er lig summen af indstil- Trykket i bælgsystemet skal falde med en værdi 017-5245 – 0.5 to 1.6 RT 1 lingstryk og differens. svarende til differensen, før manual reset kan 017-5246 min. fixed approx. 0.5 ske. 017-5001 – –0.8 0.5 to 1.6 Eksempel ® +5 TiIbehør Se fig. 6, 7 og 8. RT 1A 017-5002 min. fixed approx. 0.5 En indstilling på »5« fig. 3 vil på type RT 1A 017-5007 – 1.3 to 2.4 (best.nr. 017-5007) give en differens på ca. 1.8 017-5250 – 1.2 to 4 bar, medens samme indstilling på type RT 5A vil RT 5 give en differens på ca. 2.3 bar. 017-5251 max. 4 ® 17 fixed approx 1.2 017-5046 – 1.2 to 4 Generelt gælder, at en drejning af område- RT 5A spindelen automatisk flytter både højeste og 017-5047 max. fixed approx.1.2 laveste aktiveringstryk (bryde og slutte) op eller ned på grund af den uændrede differens. En Refrigerants drejning på differensrullen vil derimod kun ændre RT 1 and 5: All fluorinated refrigerants det højeste aktiveringstryk. RT 1A and 5A: R 717 (NH3) and all fluorinated refrigerants Max. working pressure, PB/MWP: schalten und Einschalten) nach oben oder unten 22 bar/315 psig DEUTSCH versetzen wird, weil die Differenz unverändert ist. Eine Verstellung an der Differenzrolle wird Max. test pressure, p': 25 bar Pressostate…

Technical Documents

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

Product Description

Danfoss RT 1A pressure switch for industrial hydraulic and pneumatic systems, rated 0.8/5 bar with 3/8 in connection and M10-0.75 threading. Suits compact control applications requiring reliable pressure monitoring.

Frequently Asked Questions

What is the Danfoss RT 1A pressure switch used for?

The Danfoss RT 1A pressure switch is used for pressure monitoring in industrial hydraulic and pneumatic systems. It is suitable for compact control applications requiring reliable pressure monitoring, including refrigeration systems using R 717 (NH3) and all fluorinated refrigerants.

What are the specifications of the Danfoss RT 1A pressure switch?

The Danfoss RT 1A pressure switch has a pressure range of 0.8/5 bar, a connection of 3/8 in with M10-0.75 threading, and accepts cable diameters from 6 to 14 mm. It has an adjustable mechanical differential, a maximum working pressure of 22 bar, and a maximum test pressure of 25 bar.

Where to buy the Danfoss RT 1A pressure switch in Singapore?

You can source the Danfoss RT 1A pressure switch in Singapore through 3G Electric. We handle logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this SKU.

How to install the Danfoss RT 1A pressure switch?

Mount the Danfoss RT 1A pressure switch on a valve panel or compressor using the 25 mm mounting holes. For vibration-prone applications, use a soft mounting base. If pressure pulsations occur, connect the switch via a capillary tube. Electrical connections should follow the diagram on the contact cover.

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.

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