Siemens Cell QRB4B-B050B70A
The Siemens Cell QRB4B-B050B70A is a burner control for yellow flame oil burners, offering intermittent duty flame monitoring with two-wire thermoplastic cable. Available in multiple mounting variants—without…
SKU 3G-CBM-05800
Local availability & support — Singapore
- Local office
- 20 Woodlands Link #09-05, Singapore 738733
- Phone
- +65 8878 8355
- Delivery
- Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
- Payment
- Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
- Ships to
- Singapore
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Product Description
The Siemens Cell QRB4B-B050B70A is a burner control for yellow flame oil burners, offering intermittent duty flame monitoring with two-wire thermoplastic cable. Available in multiple mounting variants—without accessories, with AGK42 flange, or with soft plastic sleeve—and configurable for front-facing or side-facing (90°) viewing direction, it supports normal or high response sensitivity. The unit is compatible with Siemens safety controllers LME7, LME8, LMO, LMV2, and LMV3, and holds certifications including ISO 9001:2015, ISO 14001:2015, OHSAS 18001:2007, Eurasian Conformity (EAC), and China RoHS (ACPEIP). 3G Electric supplies this control for industrial heating applications across Singapore and Southeast Asia, with full delivery support.
Frequently Asked Questions
What is the Siemens QRB4B-B050B70A used for?
The Siemens QRB4B-B050B70A is a yellow flame sensor for oil burner flame monitoring. It is used with Siemens safety controllers LME7, LME8, LMO, LMV2, and LMV3 in intermittent duty applications. The sensor detects visible spectrum radiation from yellow flame oil burners, with peak spectral sensitivity around 540 nm.
What are the specifications of the Siemens QRB4B-B050B70A?
The Siemens QRB4B-B050B70A features a two-wire thermoplastic cable, supports front-facing or side-facing (90°) viewing direction, and offers normal or high response sensitivity. Mounting variants include without accessories, with AGK42 flange, or with soft plastic sleeve. It holds ISO 9001:2015, ISO 14001:2015, OHSAS 18001:2007, EAC, and China RoHS certifications.
Where to buy Siemens QRB4B-B050B70A in Singapore?
3G Electric supplies the Siemens QRB4B-B050B70A to Singapore. We handle logistics, customs clearance, and delivery to your facility. As an industrial equipment distributor since 1990, we source this burner control and provide technical support locally. Contact us for pricing and lead time.
How to install the Siemens QRB4B-B050B70A?
Installation must be performed by qualified specialists. Before any work, disconnect all power supplies and secure against reconnection. Do not open the sensor or modify its cable. The QRB4B-B050B70A can be mounted for front-facing or side-facing (90°) viewing. Use appropriate mounting accessories such as the AGK42 flange or soft plastic sleeve as needed.
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3G Electric supplies Siemens burner controls. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
