Siemens QRB4A-B050B70 Yellow (Oil) Flame Detector brand_siemens The flame is supervised by

The flame is supervised by an ionisation probe or flame detector with the ancillary unit

The set point can be set in the field by an adjustable dial with an integrated scale

Tight pressure regulators of series RG-FRG 1-2 bar are certified according to norm EN 88-1

In addition the series also features low consumption coil versions with built in suppression which are suitable to be used with programmable controllers

Valve 2 Delay: 10s

Siemens QRB4A-B050B70 Yellow (Oil) Flame Detector brand_siemens The flame is supervised bySensitivity: Normal Casing: Black Casing Length: 68mm Visible Cable Length: 50cm Stripped Length: 70mm Cable End: Stripped Ferrule