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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 B240 is a 40 A, 120/240V AC, 2-pole miniature circuit breaker from the BL Series, designed for bolt-on use with Siemens P1 Panelboards. It has a maximum AIR rating of 10kA at 120/240V AC and is a…

SKU 3G-OTH-721852

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

Product Description

The Siemens B240 is a 40 A, 120/240V AC, 2-pole miniature circuit breaker from the BL Series, designed for bolt-on use with Siemens P1 Panelboards. It has a maximum AIR rating of 10kA at 120/240V AC and is a standard-type, single-phase device.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is the Siemens B240 miniature circuit breaker used for?

The Siemens B240 is a 40 A, 2-pole miniature circuit breaker used for overcurrent protection in single-phase, 120/240V AC electrical systems. It is designed for bolt-on installation in Siemens P1 panelboards, making it suitable for commercial and industrial power distribution applications.

What are the specifications of the Siemens B240 circuit breaker?

The Siemens B240 is rated 40 A at 120/240V AC, single-phase, with 2 poles. It has a maximum AIR rating of 10kA at 120/240V AC and is a standard-type, bolt-on breaker from the BL Series. It is designed for use with Siemens P1 panelboards.

Where to buy the Siemens B240 circuit breaker worldwide?

3G Electric supplies the Siemens B240 miniature circuit breaker to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us to order this genuine Siemens part for your panelboard application.

How to install the Siemens B240 bolt-on circuit breaker?

Install the Siemens B240 by ensuring the panelboard is de-energized, then align the breaker's bolt-on tabs with the bus bars in a Siemens P1 panelboard. Tighten the mounting screw to the manufacturer's torque specification. Always follow local electrical codes and use proper 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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