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SIEMENS Miniature Circuit Breaker: 45 A Amps, 240V AC, 3 Poles - B Series, Bolt-On Siemens Miniature Circuit Breakers
SIEMENSB Series, Bolt-On Siemens Miniature Circuit Breakers

SIEMENS Miniature Circuit Breaker: 45 A Amps, 240V AC, 3 Poles

The Siemens B345HH is a 45 A, 240V AC, three-phase, three-pole miniature circuit breaker from the BL Series, designed for bolt-on use with P1 Panelboards. It features a standard trip type and a maximum AIR rating of…

SKU 3G-OTH-722174

Brand
SIEMENS
Item
Miniature Circuit Breaker: 45 A Amps, 240V AC, 3 Poles
Category
B Series, Bolt-On Siemens Miniature Circuit Breakers
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Technical Specifications

SIEMENS
Manufacturer Part Number
B345HH
Series
BL
Type
Std
AC
240V
Amps
45 A
Phase
Three
Poles
3
For Use With
P1 Panelboards
Max. AIR Rating
65kA at 240V AC
AC Voltage Rating
240V AC
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SIEMENS Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The Siemens B345HH is a 45 A, 240V AC, three-phase, three-pole miniature circuit breaker from the BL Series, designed for bolt-on use with P1 Panelboards. It features a standard trip type and a maximum AIR rating of 65kA at 240V AC.

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 B345HH miniature circuit breaker used for?

The Siemens B345HH is a 45 A, 240V AC, three-pole miniature circuit breaker designed for bolt-on use in P1 Panelboards. It provides overcurrent protection in three-phase commercial and industrial electrical distribution systems, with a 65kA interrupting rating at 240V AC.

What are the specifications of the Siemens B345HH?

The Siemens B345HH is a 45 A, 240V AC, three-pole miniature circuit breaker from the BL Series. It has a standard trip type, a maximum AIR rating of 65kA at 240V AC, and is designed for bolt-on use with P1 Panelboards. The manufacturer part number is B345HH.

Where to buy the Siemens B345HH worldwide?

3G Electric supplies the Siemens B345HH 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 BL Series breaker for your P1 Panelboard application.

How to install the Siemens B345HH in a P1 Panelboard?

The Siemens B345HH is a bolt-on miniature circuit breaker designed for direct installation into P1 Panelboards. Ensure power is off, align the breaker with the bus bar, and tighten the bolt securely. Follow Siemens installation instructions and local electrical codes for safe, compliant three-phase protection.

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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