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SIEMENS B240 Miniature Circuit Breaker - B Series, Bolt-On Siemens Miniature Circuit Breakers
SIEMENSB Series, Bolt-On Siemens Miniature Circuit Breakers

SIEMENS B240 Miniature Circuit Breaker

<p>The SIEMENS B240 is a 2-pole miniature circuit breaker from the BL series, rated at 40 amps and 120/240V AC. It is designed for use with Siemens P1 panelboards, providing reliable overcurrent protection in…

SKU 3G-OTH-721852

Also listed as: B 240 · B-240

Brand
SIEMENS
Item
B240 Miniature Circuit Breaker
Part Number
B240
Category
B Series, Bolt-On Siemens Miniature Circuit Breakers
Available to Order
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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

Technical Specifications

SIEMENS
Manufacturer Part Number
B240
Series
BL
Type
Std
AC
120/240V
Amps
40 A
Phase
Single
Poles
2
For Use With
Siemens P1 Panelboards
Max. AIR Rating
10kA at 120/240V AC
AC Voltage Rating
120/240V AC

Technical Documents

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SIEMENS Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

<p>The SIEMENS B240 is a 2-pole miniature circuit breaker from the BL series, rated at 40 amps and 120/240V AC. It is designed for use with Siemens P1 panelboards, providing reliable overcurrent protection in single-phase applications. With a maximum AIR rating of 10kA at 120/240V AC, it is suitable for a range of commercial and industrial electrical installations.</p><p>As a Singapore-based supplier, 3G Electric offers this breaker with worldwide shipping, SGD quotes on request, and GST handled for local buyers. For customers in Singapore and Southeast Asia, we provide fast delivery to ensure your projects stay on schedule.</p>

Frequently Asked Questions

What is the voltage and current rating of the SIEMENS B240?

The SIEMENS B240 is rated for 40 amps and 120/240V AC, with a maximum AIR rating of 10kA at 120/240V AC.

Is the B240 compatible with Siemens P1 panelboards?

Yes, the B240 is specifically designed for use with Siemens P1 panelboards.

Used in

Common applications for SIEMENS
District cooling plants — LME73 + RWF55 for condenser-water modulation
Inflight catering and food-processing steam boilers — LMG22 with SQN90 air-fuel cross-damper
Hospital steam-plant redundancy — LME41 with QRA2 UV flame detection for dual-fuel boilers
Semiconductor fab process heat — LME23 and SKP55 gas valves on hot-oil heater skids
Container-terminal reefer-deck heating — LMG22 retrofit onto legacy burner racks
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SIEMENS Products

3G Electric supplies SIEMENS b series, bolt-on siemens miniature circuit breakers. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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