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Liquid Level Controls
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RT 280A/281A, liquid level alarm, safety switch, liquid level regulator
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RT 280A, RT 281A, liquid level control
RT 280A, RT 281A, liquid level control
Refrigerants: R717 (NH3), R22, etc. Operating ranges for RT 280A: R22 / R717 (NH3): –50 - 0°C. Operating ranges for RT 281A: R22 / R717 (NH3): –30 - +20°C. Ambient temperature: –50 - +70°C. Approvals:...
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Code number selector
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Code no.
2 Item(s)
Type
select
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RT280A
RT281A
Press. conn. std.
Press. conn. type
Pressure conn. size
Contact function
Cap. tube [mm]
Amb. temp. [°C]
MWP [bar] Pe
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017D004066
RT280A
ISO 228-1
G
3/8
SPDT
3.000 mm
-50 - 70 °C
22,0 bar
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017D004666
RT281A
ISO 228-1
G
3/8
SPDT
3.000 mm
-50 - 70 °C
22,0 bar