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Danfoss RTe ATEX Explosion proof pressure and temperature switches

Durable, reliable, and easy to adjust – Danfoss RTe pressure and temperature switch offers the same features as the RT – but now has EEX approval for use in areas with high risk of explosion
Danfoss RTe pressure switch
Trusted and approved
For many compressor manufacturers, the Danfoss RT switch is a trusted component, renowned for its safety and reliability. With a manual reset feature, the RT is recommended for safety shut-offs – often where other controls have failed. The customers were requesting an EEX-approved version of this product for use in situations where explosions are a risk factor – and now the introduction of the RTe is set to meet their demands.

The RTe has CE and ATEX approvals:

•CE marked, according to EN 60947-4/-5
•CE marked, according to PED 97/23/EC category IV, safety equipment: RTE6AEW, RTE6AEB, RTE6AES
•CCC, China Compulsory Certificate

Mehrer Kompressoren, a large German manufacturer of piston compressors, was one of the first companies to adopt the RTe. Mehrer were already using Danfoss RT switches, but needed EEX-approved switches for situations where flammable gases and vapours are present in their production processes. Danfoss responded to its customer’s needs by developing the EEX-approved RTe with specifications such as metal housing, which make it ideal for handling explosive gasses safely.

The RTe is available as a temperature switch (thermostat), a pressure switch as well as a differential pressure switch. For further technical specifications please see data sheet below.

Mehrer adopted the EEX-approved RT in favour of their previous switch, supplied by another manufacturer, because it is easier and quicker to install. It requires considerably less time to wire and make adjustments.

Danfoss always try to respond to customer demand: with the RTe, a new and improved product has been added to the portfolio and it has already received positive feedback from customers, among them Mehrer Kompressoren who is satisfied with both the process and the product.

Pressure Switches (as standard connection G3/8A and with auto reset)
Type            Range        Differential         Max W/P           Reset                 Code No
                       Bar                 Bar                    Bar                                      G3/8+           G3/8
                                                                                                               Weld nipple
RT112E     0.1 to  1.1    0.007 to 0.16            7                   Auto                             017-518566
RT113E        0 to  0.3    0.001 to 0.05         0.4                   Auto                             017-519566
RT1AE    -0 .8 to  5           0.5 to 1.6              22                   Auto       017-500966
RT116E       1 to 10          0.3 to 1.3              22                   Auto                            017-520166
RT5E           4 to 17           1.2 to 4                 22                   Auto                            017-525266
RT6AEW     5 to 25           Fixed 3                 34                   Auto       017-513866
RT6AEB    10 to 28           Fixed 1.5              34                   Man       017-513466
RT6AES    10 to 28           Fixed 1.5              34                   Man       017-502166
RT117E    10 to 30             1 to 4                   42                   Auto                            017-529866

Differential Pressure Switches (as standard connection G3/8A and with welded nipple Ø6.5/10 mm)
Type            Range             Differential      Max. working pressure         Code no:
RT 260AE 0.5 to 4 bar     fixed 0.3 bar                 22 bar                       017D003666
RT 262AE 0.1 to 1.5 bar  fixed 0.1 bar                11 bar                        017D003066

RTe Temperature Switches (as standard with 2 m capillary tube)
Type              Range    Type of charge    Max. sensor temp.      Code no:
RT 14E          -5-30 °C               B                  150 °C                   017-509866
RT 101E      25-90 °C               B                  300 °C                   017-512666
RT 107E   70-150 °C               C                   215 °C                   017-515366
RT 123E 150-250 °C               C                  300 °C                   017-521666

Type of charge: B = Adsorption, C = Partial

Click to View
Danfoss RTe pressure and temperature switch technical pdf


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