Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

3G Electric
RFQ CartGet a QuoteSign inSign up
SIEMENS Miniature Circuit Breaker: 20 A Amps, 240V AC, 3 Poles - Q Series, Plug-In Siemens Miniature Circuit Breakers
SIEMENSQ Series, Plug-In Siemens Miniature Circuit Breakers

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

The Siemens Q320 is a Q Series, plug-in miniature circuit breaker rated for 20 A at 240V AC with three poles and a standard type. It provides a 10kA interrupting capacity at 120V AC and is designed for use in Siemens…

SKU 3G-OTH-622278

Brand
SIEMENS
Item
Miniature Circuit Breaker: 20 A Amps, 240V AC, 3 Poles
Category
Q Series, Plug-In Siemens Miniature Circuit Breakers
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Technical Specifications

SIEMENS
Manufacturer Part Number
Q320
Type
Std
AC
240V
Poles
3
View Full Spec Sheet

Technical Documents

No technical documents available for this product.
Request documentation →
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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

Product Description

The Siemens Q320 is a Q Series, plug-in miniature circuit breaker rated for 20 A at 240V AC with three poles and a standard type. It provides a 10kA interrupting capacity at 120V AC and is designed for use in Siemens EQ Load Centers.

Frequently Asked Questions

What is the Siemens Q320 miniature circuit breaker used for?

The Siemens Q320 is a three-pole, 20 A miniature circuit breaker used to protect branch circuits in Siemens EQ Load Centers. It provides overcurrent and short-circuit protection for commercial and industrial electrical systems, with a 10kA interrupting capacity at 120V AC.

What are the specifications of the Siemens Q320?

The Siemens Q320 is a Q Series, plug-in miniature circuit breaker rated 20 A at 240V AC with three poles. It has a standard type and a 10kA interrupting capacity at 120V AC. It is designed for use in Siemens EQ Load Centers.

Where to buy the Siemens Q320 worldwide?

3G Electric supplies the Siemens Q320 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 Siemens-branded component.

How to install the Siemens Q320 in a load center?

To install the Siemens Q320, ensure the load center is de-energized. Align the breaker's plug-in tabs with the bus bar slots in a Siemens EQ Load Center and press firmly until it snaps into place. 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 q series, plug-in siemens miniature circuit breakers. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

You might also need

Burners & Combustion →Pumps & Compressors →Spare Parts →All Products →

More from SIEMENS

View all SIEMENS parts →
Miniature Circuit Breaker: 20 A Amps, 120V AC, 1 Poles, Std (MPN Q120). Key specifications — attr196014: 20 A; attr196015: 120V AC; attr196017: 10kA at 120V AC; attr196018: Siemens EQ Load Centers; attr196016: Single; attr232503: Q.
SIEMENS
Miniature Circuit Breaker: 20 A Amps, 120V AC, 1 Poles, Std (MPN Q120). Key specifications — attr196014: 20 A; attr196015: 120V AC; attr196017: 10kA at 120V AC; attr196018: Siemens EQ Load Centers; attr196016: Single; attr232503: Q.
Miniature Circuit Breaker: 20 A Amps, 120/240V AC, 2 Poles (MPN QF220A). Key specifications — attr196014: 20 A; attr196015: 120/240V AC; attr196017: 10kA at 120V AC; attr196018: Siemens Load Centers; attr196016: Single; attr232503: QF.
SIEMENS
Miniature Circuit Breaker: 20 A Amps, 120/240V AC, 2 Poles (MPN QF220A). Key specifications — attr196014: 20 A; attr196015: 120/240V AC; attr196017: 10kA at 120V AC; attr196018: Siemens Load Centers; attr196016: Single; attr232503: QF.
Miniature Circuit Breaker: 25 A Amps, 120/240V AC, 2 Poles, Std (MPN Q225). Key specifications — attr196014: 25 A; attr196015: 120/240V AC; attr196017: 10kA at 120V AC; attr196018: Siemens EQ Load Centers; attr196016: Single; attr232503: Q.
SIEMENS
Miniature Circuit Breaker: 25 A Amps, 120/240V AC, 2 Poles, Std (MPN Q225). Key specifications — attr196014: 25 A; attr196015: 120/240V AC; attr196017: 10kA at 120V AC; attr196018: Siemens EQ Load Centers; attr196016: Single; attr232503: Q.
Miniature Circuit Breaker: 125 A Amps, 120/240V AC, 2 Poles, Std (MPN Q2125). Key specifications — attr196014: 125 A; attr196015: 120/240V AC; attr196017: 10kA at 120V AC; attr196018: Siemens EQ Load Centers; attr196016: Single; attr232503: Q.
SIEMENS
Miniature Circuit Breaker: 125 A Amps, 120/240V AC, 2 Poles, Std (MPN Q2125). Key specifications — attr196014: 125 A; attr196015: 120/240V AC; attr196017: 10kA at 120V AC; attr196018: Siemens EQ Load Centers; attr196016: Single; attr232503: Q.
Miniature Circuit Breaker: 15 A Amps, 120V AC, 1 Poles (MPN QF115A). Key specifications — attr196014: 15 A; attr196015: 120V AC; attr196017: 10kA at 120V AC; attr196018: Siemens Load Centers; attr196016: Single; attr232503: QF.
SIEMENS
Miniature Circuit Breaker: 15 A Amps, 120V AC, 1 Poles (MPN QF115A). Key specifications — attr196014: 15 A; attr196015: 120V AC; attr196017: 10kA at 120V AC; attr196018: Siemens Load Centers; attr196016: Single; attr232503: QF.
Miniature Circuit Breaker: 30 A Amps, 120V AC, 1 Poles, Std (MPN Q130). Key specifications — attr196014: 30 A; attr196015: 120V AC; attr196017: 10kA at 120V AC; attr196018: Siemens EQ Load Centers; attr196016: Single; attr232503: Q.
SIEMENS
Miniature Circuit Breaker: 30 A Amps, 120V AC, 1 Poles, Std (MPN Q130). Key specifications — attr196014: 30 A; attr196015: 120V AC; attr196017: 10kA at 120V AC; attr196018: Siemens EQ Load Centers; attr196016: Single; attr232503: Q.
Miniature Circuit Breaker: 20 A Amps, 120V AC, 1 Poles (MPN QF120A). Key specifications — attr196014: 20 A; attr196015: 120V AC; attr196017: 10kA at 120V AC; attr196018: Siemens Load Centers; attr196016: Single; attr232503: QF.
SIEMENS
Miniature Circuit Breaker: 20 A Amps, 120V AC, 1 Poles (MPN QF120A). Key specifications — attr196014: 20 A; attr196015: 120V AC; attr196017: 10kA at 120V AC; attr196018: Siemens Load Centers; attr196016: Single; attr232503: QF.
Miniature Circuit Breaker: 80 A Amps, 120/240V AC, 2 Poles, Std (MPN Q280). Key specifications — attr196014: 80 A; attr196015: 120/240V AC; attr196017: 10kA at 120V AC; attr196018: Siemens EQ Load Centers; attr196016: Single; attr232503: Q.
SIEMENS
Miniature Circuit Breaker: 80 A Amps, 120/240V AC, 2 Poles, Std (MPN Q280). Key specifications — attr196014: 80 A; attr196015: 120/240V AC; attr196017: 10kA at 120V AC; attr196018: Siemens EQ Load Centers; attr196016: Single; attr232503: Q.