Siemens Flow Switch QVE1901

/

Siemens Flow Switch QVE1901 is suitable for liquid medium in HVAC plants. In hydraulic systems, in particular, refrigeration, heat pump and heating plants, e.g. for evaporators, boilers, heat exchangers, etc. It is a maintenance free device with high IP rating to provide a compact and durable solution for your flow monitoring requirements.

Applications :

Contact load / switching capacity: max. AC 230 V, 1 A, 26 VA max. 48 V. DC, 1 A, 20W

Nominal pressure PN25

Manual setting of contact type (NO / NC)

Housing IP 65 / safety class II

Specifications :

Suitable media

:

All liquids (not suitable for ammonia)

Piping diameter

:

DN 20...200

Type of switch

:

Reed contact

Max. contact rating

:

AC 230 V, 1 A / DC 48 V, 1 A Max.

Switching capacity

:

AC 26 VA / DC 20 W

Medium temp.

:

-20...110 °C

Nominal pressure

:

PN 25

Protection class

:

III according to EN 60730-1

External supply line protection (EU)

:

Fuse slow max. 10 A (or)Circuit breaker max. 13 A (or)Power source with current limitation of max.10 A

Operation and storage

:

-20...80 °C

Ambient humidity

:

<95 % RH

Note: For more details specifications, please download the additonal documents Download PDF

© 2020 ACE Instruments . All rights reserved!