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SIEMENS Miniature Circuit Breaker: 45 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: 45 A Amps, 120/240V AC, 1 Poles

The Siemens B145 is a 45 A, single-pole miniature circuit breaker from the BL Series, rated for 120/240V AC with a maximum AIR rating of 10kA at 120/240V AC. Designed for bolt-on installation, it is intended for use…

SKU 3G-OTH-722245

Brand
SIEMENS
Item
Miniature Circuit Breaker: 45 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
B145
Series
BL
Type
Std
AC
120/240V
Amps
45 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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SIEMENS Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The Siemens B145 is a 45 A, single-pole miniature circuit breaker from the BL Series, rated for 120/240V AC with a maximum AIR rating of 10kA at 120/240V AC. Designed for bolt-on installation, it is intended for use with Siemens P1 Panelboards.

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 B145 miniature circuit breaker used for?

The Siemens B145 is a 45 A, single-pole miniature circuit breaker used for overcurrent protection in residential and commercial electrical panels. It is designed for bolt-on installation in Siemens P1 Panelboards, providing reliable circuit interruption at 120/240V AC with a 10kA interrupting rating.

What are the specifications of the Siemens B145 circuit breaker?

The Siemens B145 is a 45 A, single-pole miniature circuit breaker rated for 120/240V AC with a maximum AIR rating of 10kA at 120/240V AC. It is part of the BL Series, designed for bolt-on installation, and is intended for use with Siemens P1 Panelboards.

Where to buy the Siemens B145 circuit breaker worldwide?

3G Electric supplies the Siemens B145 miniature circuit breaker worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to deliver this 45 A, 120/240V AC breaker to your facility. Contact us for availability and lead time.

How to install the Siemens B145 bolt-on circuit breaker?

Install the Siemens B145 by ensuring the panel is de-energized, then align the breaker's bolt-on tabs with the bus bar in a Siemens P1 Panelboard. Tighten the mounting screw securely and connect the load wire to the terminal. Always follow local electrical codes and the manufacturer's instructions.

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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