Differential pressure switch, RT266AL


Diff.press.setting range [bar]: 0.00 - 0.90, Reset function: Auto, Pressure connection type: G, Pressure connection size: 3/8, Enclosure rating IP: IP66, Max. Working Pressure [bar]: 7.0

Product details

Gross weight 1.4 Kilogram
Net weight 1.149 Kilogram
Volume 4.54 Liter
EAN 5702428042680


Ambient temperature range [°C] [max] 65 °C
Ambient temperature range [°C] [min] -20 °C
Ambient temperature range [°F] [Max] 149 °F
Ambient temperature range [°F] [Min] -4 °F
Approval CCC
RoHS China
China RoHS compliance Yes
Contact differential [bar] 0.05 bar
Contact function SPDT (neutral zone)
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
Diff.press.setting range [bar] [Max] 0.9 bar
Diff.press.setting range [bar] [Min] 0 bar
Diff.press.setting range [MPa] [Max] 0.09 MPa
Diff.press.setting range [MPa] [Min] 0 MPa
Diff.press.setting range [psi] [Max] 13.1 psi
Diff.press.setting range [psi] [Min] 0 psi
EEE category 5 small equipment (any external dimension 50 cm)​
Electrical conn. Male/Female Female
Electrical connection Screwed cable entry
Electrical connection size 2xPg 13.5
Electrical connection standard DIN 40430
Electrical spec. standard EN 60947-4/-5
EN 60947 electrical properties Insulation: 400V
Pollution degree: 3
Rated impulse voltage: 4 kV
Short circuit prot, fuse: 10A
EN 60947 wiring properties Flex, ferrules: 0.2-1.5 mm2
Flex, no ferrules: 0.2-2.5 mm2
Solid/stranded: 0.2-2.5 mm2
Enclosure rating IP IP66
EU RoHS compliance Yes
EU RoHS exemption clause No
In scope of WEEE Yes
In scope of WEEE and contain batteries No
Max. neutral zone [bar] 0.23 bar
Max. test pressure [bar] Pe 8 bar
Max. test pressure [psig] 116 psig
Max. Working Pressure [bar] 7 bar
Max. Working Pressure [psig] 101 psig
Operat. range LP side [bar] Pe [Max] 6 bar
Operat. range LP side [bar] Pe [Min] -1 bar
Operat. range LP side [psig]Pe [Max] 87 psig
Operat. range LP side [psig]Pe [Min] -15 psig
Packing format Multi pack
Pressure connection notes Weld nipple d6.5/D10mm
Pressure connection size 3/8
Pressure connection standard ISO 228-1
Pressure connection type G
Pressure Male/Female Male
Pressure range [bar] Pe [Max] 6 bar
Pressure range [bar] Pe [Min] -1 bar
Product accessories Generic accessories
Switches accessories
Product description Diff. Pressure Switch
Product Group Switches and thermostats
Product Name Description Differential pressure switch
Quantity per packing format 9 pc
REACH Candidate List substances 0.1 Lead (CAS no. 7439-92-1)
Relay release time [s] 0 s
Reset function Auto
SCIP dossier no. 54f3e4b2-77e8-4825-a1c1-c3d5ba584171
Serviceable Contact systems
Type RT266AL
UK RoHS compliance Yes


Spare Parts






Software and firmware to extend functionality