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SIEMENS Miniature Circuit Breaker: 80 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: 80 A Amps, 120/240V AC, 2 Poles

The Siemens B280 is a 2-pole, 80 A miniature circuit breaker from the BL Series, rated for 120/240V AC single-phase service with a maximum AIR rating of 10kA at 120/240V AC. Designed for bolt-on installation in…

SKU 3G-OTH-722118

Brand
SIEMENS
Item
Miniature Circuit Breaker: 80 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
B280
Series
BL
Type
Std
AC
120/240V
Amps
80 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
View Full Spec Sheet

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

Product Description

The Siemens B280 is a 2-pole, 80 A miniature circuit breaker from the BL Series, rated for 120/240V AC single-phase service with a maximum AIR rating of 10kA at 120/240V AC. Designed for bolt-on installation in Siemens P1 Panelboards, this standard-trip breaker provides overcurrent protection in commercial and industrial electrical distribution systems.

Frequently Asked Questions

What is the Siemens B280 miniature circuit breaker used for?

The Siemens B280 is a 2-pole, 80 A miniature circuit breaker used for overcurrent protection in commercial and industrial electrical distribution systems. It is designed for bolt-on installation in Siemens P1 Panelboards and handles single-phase, 120/240V AC service with a 10kA interrupting rating.

What are the specifications of the Siemens B280 circuit breaker?

The Siemens B280 is rated 80 A, 120/240V AC, single-phase, 2-pole, with a maximum AIR rating of 10kA at 120/240V AC. It is a standard-trip, bolt-on type from the BL Series, designed for use with Siemens P1 Panelboards. The manufacturer part number is B280.

Where to buy the Siemens B280 circuit breaker worldwide?

3G Electric supplies the Siemens B280 miniature circuit breaker to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery for international orders. Contact us to source this genuine Siemens BL Series breaker for your commercial or industrial application.

How to install the Siemens B280 bolt-on circuit breaker?

The Siemens B280 is a bolt-on type breaker designed for installation in Siemens P1 Panelboards. Ensure the panel is de-energized, then align the breaker with the bus stabs and tighten the bolt securely. Follow standard electrical safety practices and local codes. Always consult a qualified electrician for installation.

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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