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SIEMENS Miniature Circuit Breaker: 20 A Amps, 120V AC, 1 Poles - Q Series, Plug-In Siemens Miniature Circuit Breakers
SIEMENSQ Series, Plug-In Siemens Miniature Circuit Breakers

SIEMENS Miniature Circuit Breaker: 20 A Amps, 120V AC, 1 Poles

The Siemens QA120AFC is a 1-pole, 20 A, 120V AC miniature circuit breaker from the Q Series, designed as a Combo Arc Fault Circuit Interrupter for use in Siemens Single Phase Load Centers. It features a 10kA…

SKU 3G-OTH-622277

Brand
SIEMENS
Item
Miniature Circuit Breaker: 20 A Amps, 120V AC, 1 Poles
Category
Q Series, Plug-In Siemens Miniature Circuit Breakers
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Technical Specifications

SIEMENS
Manufacturer Part Number
QA120AFC
Type
Combo Arc Fault Circuit Interrupter
AC
120V
Poles
1
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SIEMENS Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The Siemens QA120AFC is a 1-pole, 20 A, 120V AC miniature circuit breaker from the Q Series, designed as a Combo Arc Fault Circuit Interrupter for use in Siemens Single Phase Load Centers. It features a 10kA interrupting rating at 120V AC and a QA frame type, providing arc fault protection in a plug-in format.

Frequently Asked Questions

What is the Siemens QA120AFC miniature circuit breaker used for?

The Siemens QA120AFC is a 1-pole, 20 A, 120V AC combo arc fault circuit interrupter designed for Siemens Single Phase Load Centers. It protects branch circuits from series and parallel arcing faults, reducing fire risk in residential and light commercial electrical systems.

What are the specifications of the Siemens QA120AFC?

The Siemens QA120AFC is a 20 A, 120V AC, 1-pole miniature circuit breaker with a 10kA interrupting rating at 120V AC. It uses a QA frame type, is plug-in style, and is designed for Siemens Single Phase Load Centers. It provides combo arc fault circuit interruption.

Where to buy the Siemens QA120AFC worldwide?

3G Electric supplies the Siemens QA120AFC miniature circuit breaker to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this arc fault circuit interrupter.

How to install the Siemens QA120AFC in a load center?

To install the Siemens QA120AFC, ensure the load center is de-energized. Align the breaker's plug-in base with the bus bar stab in a Siemens Single Phase Load Center and press firmly until it snaps into place. Connect the circuit wire to the breaker terminal and torque to manufacturer specifications.

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.

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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.
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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.
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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.
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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.
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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.
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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.
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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.
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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.