I. QRB1A-A050B40A
Product Overview
Brand & Model: SIEMENS QRB1A-A050B40A
Type: Photoresistor-type flame detector
Application: Used for safety monitoring of fuel oil burners, detecting infrared signals
Product Characteristics
Sensitivity: Normal sensitivity (A series indicates standard type)
Enclosure Size: 50mm (standard type)
Cable Length: 50cm
Cable End Style: Stripped 40mm (B40A indicates stripping length of 40mm)
Installation Method: Supports clamp or flange mounting (specific mounting accessories need to be purchased separately)
Notes
Installation & Wiring: Must be performed by professionals to ensure correct connections and avoid the risk of electric shock.
Environmental Interference: Avoid interference from halogen lamps, welding equipment, special lighting fixtures, or ignition sparks that may generate strong radiation, as they may affect the normal operation of the detector.
Maintenance & Inspection: Regularly check the connections and appearance of the detector to ensure there is no damage or corrosion.
II. QRB1-A-A148B70B (Note: Based on the provided information, there may be a typo in this model number, which should follow a format similar to QRB1A-XXXXB70B. The following explanation is based on conventional naming rules.)
Product Overview
Brand & Model: Although there may be a typo in the specific model number "A148", based on the naming rules of the QRB1 series, it can be inferred that this is a type of SIEMENS photoresistor-type flame detector.
Type: Photoresistor-type flame detector
Application: Similarly used for safety monitoring of fuel oil burners, detecting infrared signals
Product Characteristics (Based on Naming Rules Estimation)
Sensitivity: Normal sensitivity (A series)
Enclosure Size: According to the conventional dimensions of the QRB1 series, it should be 50mm (standard type, unless specifically indicated as an extended type)
Cable Length: Due to the possible typo in the model number "A148", the cable length cannot be directly determined. However, following the naming rules of the QRB1 series, the cable length is usually expressed in centimeters with a three-digit number in the model (e.g., 33cm is represented as A033).
Cable End Style: Stripped 70mm (B70B indicates stripping length of 70mm)
Installation Method: Supports clamp or flange mounting (specific mounting accessories need to be purchased separately)
