Deutsch 
English Compact Siemens QRB4B yellow flame sensor with permanently attached, 2-wire thermoplastic cable. For monitoring yellow burning oil flames. It is essential to ensure correct polarity!
Type QRB4B-D030A25, red housing with high sensitivity for frontal and lateral (90°) illumination. With extension sleeve.
Housing length: ca. 120 mm
Cable length: 300 mm
Stripping length: 70 mm
Type QRB4B-D030A25, red housing with high sensitivity for frontal and lateral (90°) illumination. With extension sleeve.
Housing length: ca. 120 mm
Cable length: 300 mm
Stripping length: 70 mm