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SIEMENS Miniature Circuit Breaker: 45 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: 45 A Amps, 120/240V AC, 2 Poles

The Siemens B245 is a 45 A, 120/240V AC, 2-pole, single-phase miniature circuit breaker from the BL Series, designed for bolt-on use with Siemens P1 Panelboards. It carries a maximum AIR rating of 10kA at 120/240V AC.

SKU 3G-OTH-722161

Brand
SIEMENS
Item
Miniature Circuit Breaker: 45 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
B245
Series
BL
Type
Std
AC
120/240V
Amps
45 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 B245 is a 45 A, 120/240V AC, 2-pole, single-phase miniature circuit breaker from the BL Series, designed for bolt-on use with Siemens P1 Panelboards. It carries a maximum AIR rating of 10kA at 120/240V AC.

Frequently Asked Questions

What is the Siemens B245 miniature circuit breaker used for?

The Siemens B245 is a 45 A, 2-pole, single-phase miniature circuit breaker designed for bolt-on use in Siemens P1 Panelboards. It provides overcurrent protection in residential and light commercial electrical distribution systems, handling up to 10kA at 120/240V AC.

What are the specifications of the Siemens B245 circuit breaker?

The Siemens B245 is rated 45 A at 120/240V AC, 2 poles, single-phase, with a maximum AIR rating of 10kA at 120/240V AC. It is part of the BL Series and is designed for bolt-on mounting in Siemens P1 Panelboards.

Where to buy the Siemens B245 circuit breaker worldwide?

3G Electric supplies the Siemens B245 miniature circuit breaker to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this genuine Siemens BL Series component.

How to install the Siemens B245 circuit breaker?

The Siemens B245 is a bolt-on breaker designed for Siemens P1 Panelboards. Ensure the panel is de-energized, then align the breaker with the bus bar and tighten the bolt securely. Follow all local electrical codes and the manufacturer's installation instructions for safe operation.

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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