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SIEMENS Miniature Circuit Breaker: 20 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: 20 A Amps, 240V AC, 3 Poles

The Siemens B320HH is a 20 A, 240V AC, three-pole miniature circuit breaker from the BL Series, designed for bolt-on use with Siemens P1 Panelboards. It has a maximum AIR rating of 65kA at 240V AC and is classified…

SKU 3G-OTH-609700

Brand
SIEMENS
Item
Miniature Circuit Breaker: 20 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
B320HH
Series
BL
Type
Std
AC
240V
Amps
20 A
Phase
Three
Poles
3
For Use With
Siemens P1 Panelboards
Max. AIR Rating
65kA at 240V AC
AC Voltage Rating
240V AC
View Full Spec Sheet

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

Product Description

The Siemens B320HH is a 20 A, 240V AC, three-pole miniature circuit breaker from the BL Series, designed for bolt-on use with Siemens P1 Panelboards. It has a maximum AIR rating of 65kA at 240V AC and is classified as a standard type breaker.

Frequently Asked Questions

What is the Siemens B320HH miniature circuit breaker used for?

The Siemens B320HH is a 20 A, 240V AC, three-pole miniature circuit breaker designed for bolt-on use in Siemens P1 Panelboards. It provides overcurrent protection in commercial and industrial electrical distribution systems, with a 65kA interrupting rating at 240V AC.

What are the specifications of the Siemens B320HH circuit breaker?

The Siemens B320HH is rated 20 A, 240V AC, three-phase, three-pole, with a maximum AIR rating of 65kA at 240V AC. It is a standard type breaker from the BL Series, for use with Siemens P1 Panelboards. The manufacturer part number is B320HH.

Where to buy the Siemens B320HH circuit breaker worldwide?

3G Electric supplies the Siemens B320HH miniature circuit breaker to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for a quote and lead time on this BL Series, 20 A, 240V AC, three-pole breaker.

How to install the Siemens B320HH circuit breaker?

The Siemens B320HH is a bolt-on type breaker designed for Siemens P1 Panelboards. Ensure the panel is de-energized, align the breaker with the bus bar, and torque the bolt to manufacturer specifications. Always follow local electrical codes and use proper personal protective equipment.

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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