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SIEMENS Miniature Circuit Breaker: 70 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: 70 A Amps, 120/240V AC, 2 Poles

The Siemens B270HH is a 70 A, 120/240V AC, 2-pole, single-phase miniature circuit breaker from the BL Series, designed for bolt-on use with P1 Panelboards. It offers a maximum AIR rating of 65kA at 120/240V AC…

SKU 3G-OTH-722029

Brand
SIEMENS
Item
Miniature Circuit Breaker: 70 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
B270HH
Series
BL
Type
Std
AC
120/240V
Amps
70 A
Phase
Single
Poles
2
For Use With
P1 Panelboards
Max. AIR Rating
65kA 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 B270HH is a 70 A, 120/240V AC, 2-pole, single-phase miniature circuit breaker from the BL Series, designed for bolt-on use with P1 Panelboards. It offers a maximum AIR rating of 65kA at 120/240V AC, providing overcurrent protection in standard applications.

Frequently Asked Questions

What is the Siemens B270HH miniature circuit breaker used for?

The Siemens B270HH is a 70 A, 2-pole miniature circuit breaker used for overcurrent protection in single-phase, 120/240V AC applications. It is designed for bolt-on installation in P1 Panelboards, making it suitable for commercial and industrial electrical distribution systems where reliable circuit interruption is required.

What are the specifications of the Siemens B270HH circuit breaker?

The Siemens B270HH is rated 70 A at 120/240V AC, single-phase, 2-pole, with a maximum AIR rating of 65kA at 120/240V AC. It is part of the BL Series and is designed for bolt-on use with P1 Panelboards. The manufacturer part number is B270HH.

Where to buy the Siemens B270HH circuit breaker worldwide?

3G Electric supplies the Siemens B270HH miniature circuit breaker to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your location. Contact us to order this genuine Siemens part for your panelboard application.

How to install the Siemens B270HH circuit breaker?

Install the Siemens B270HH by ensuring the panelboard is de-energized, then bolt the breaker securely into the P1 Panelboard bus. Torque terminals to manufacturer specifications for the 70 A rating. Always follow local electrical codes and use proper personal protective equipment during 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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