Siemens QRB1A-A070B70A2 is a normal-sensitivity oil-flame detector with a 50 mm black housing, 70 cm cable and supplied large mounting flange and clamp.
Product Specification
- Frontal and 90-degree side viewing; peak spectral sensitivity approximately 600 nm.
- Fixed two-core cable, 2 × 0.75 mm². Cable length and terminal preparation are defined by the complete type reference.
- The A2 ending identifies the large-flange and clamp configuration. A1 uses the small flange; the A version excludes those mounting accessories.
- The large flange has 36 mm mounting-hole spacing.
- Normal-sensitivity QRB1A has a black housing; QRB1B high-sensitivity versions use a red housing.
- Operating ambient temperature: −20 to +60 °C.
Control Compatibility
LAL; LME7; LMO; LMV; LOA.
See the QRB1 series guide for the housing, cable and mounting options.
