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SIEMENS Miniature Circuit Breaker: 40 A Amps, 120/240V AC, 1 Poles - B Series, Bolt-On Siemens Miniature Circuit Breakers
SIEMENSB Series, Bolt-On Siemens Miniature Circuit Breakers

SIEMENS Miniature Circuit Breaker: 40 A Amps, 120/240V AC, 1 Poles

SKU 3G-OTH-722102

Brand
SIEMENS
Item
Miniature Circuit Breaker: 40 A Amps, 120/240V AC, 1 Poles
Category
B Series, Bolt-On Siemens Miniature Circuit Breakers
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Technical Specifications

SIEMENS
Manufacturer Part Number
B140
Series
BL
Type
Std
AC
120/240V
Amps
40 A
Phase
Single
Poles
1
For Use With
Siemens P1 Panelboards
Max. AIR Rating
10kA at 120/240V AC
AC Voltage Rating
120/240V AC
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Technical Documents

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

Frequently Asked Questions

Is the SIEMENS Miniature Circuit Breaker: 40 A Amps, 120/240V AC, 1 Poles available from 3G Electric?

Yes — 3G Electric supplies genuine SIEMENS products, available to order with worldwide shipping. Contact us for current lead time.

How do I get a quote for the SIEMENS Miniature Circuit Breaker: 40 A Amps, 120/240V AC, 1 Poles?

Click "Request a Quote" on this page or add the product to your RFQ cart. Our engineers will respond within 24 hours with pricing, lead times, and technical recommendations.

Does 3G Electric provide technical support for b series, bolt-on siemens miniature circuit breakers?

Yes, our team of experienced engineers provides full technical support including product selection, installation guidance, commissioning, and after-sales service for all b series, bolt-on siemens miniature circuit breakers we distribute.

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

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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Miniature Circuit Breaker: 15 A Amps, 240V AC, 3 Poles, Std (MPN B315). Key specifications — Amps: 15 A; AC Voltage Rating: 240V AC; Max. AIR Rating: 10kA at 240V AC; For Use With: Siemens P1 Panelboards; Phase: Three; Series: BL.
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