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SIEMENS Miniature Circuit Breaker: 40 A Amps, 120/240V AC, 2 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, 2 Poles

The Siemens B240H is a 40 A, 2-pole miniature circuit breaker from the BL Series, rated 120/240V AC with a maximum AIR rating of 22kA at 120/240V AC. Designed for bolt-on installation in Siemens P1 panelboards, this…

SKU 3G-OTH-722128

Brand
SIEMENS
Item
Miniature Circuit Breaker: 40 A Amps, 120/240V AC, 2 Poles
Category
B Series, Bolt-On Siemens Miniature Circuit Breakers
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Technical Specifications

SIEMENS
Manufacturer Part Number
B240H
Series
BL
Type
Std
AC
120/240V
Amps
40 A
Phase
Single
Poles
2
For Use With
Siemens P1 Panelboards
Max. AIR Rating
22kA at 120/240V AC
AC Voltage Rating
120/240V AC
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SIEMENS Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The Siemens B240H is a 40 A, 2-pole miniature circuit breaker from the BL Series, rated 120/240V AC with a maximum AIR rating of 22kA at 120/240V AC. Designed for bolt-on installation in Siemens P1 panelboards, this single-phase, standard-trip breaker provides overcurrent protection for branch circuits. 3G Electric interprets your demand and sources this genuine Siemens component across 14 industrial departments, with specialist depth in electrical controls.

Frequently Asked Questions

What is the Siemens B240H miniature circuit breaker used for?

The Siemens B240H is a 40 A, 2-pole miniature circuit breaker designed for overcurrent protection in branch circuits. It is used in Siemens P1 panelboards for single-phase, 120/240V AC applications, providing reliable protection in industrial and commercial electrical distribution systems.

What are the specifications of the Siemens B240H circuit breaker?

The Siemens B240H is rated 40 A at 120/240V AC, with a maximum AIR rating of 22kA at 120/240V AC. It is a 2-pole, single-phase, standard-trip breaker from the BL Series, designed for bolt-on installation in Siemens P1 panelboards.

Where to buy the Siemens B240H circuit breaker worldwide?

3G Electric supplies the genuine Siemens B240H miniature circuit breaker worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us to source this component for your electrical distribution needs.

How to install the Siemens B240H circuit breaker?

The Siemens B240H is a bolt-on breaker designed for installation in Siemens P1 panelboards. Ensure the panel is de-energized, align the breaker with the bus bar, and tighten the mounting screws to the manufacturer's torque specification. Always follow local electrical codes and use appropriate personal protective equipment.

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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