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

The Siemens QF120A is a Q Series, plug-in miniature circuit breaker rated 20 A at 120V AC, single-pole, with a 10kA interrupting capacity at 120V AC. Designed for use in Siemens Load Centers, this QF-type breaker…

SKU 3G-OTH-622276

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

SIEMENS
Manufacturer Part Number
QF120A
AC
120V
Poles
1
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SIEMENS Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The Siemens QF120A is a Q Series, plug-in miniature circuit breaker rated 20 A at 120V AC, single-pole, with a 10kA interrupting capacity at 120V AC. Designed for use in Siemens Load Centers, this QF-type breaker provides overcurrent protection in a compact, plug-in format.

Frequently Asked Questions

What is the Siemens QF120A miniature circuit breaker used for?

The Siemens QF120A is a Q Series, plug-in miniature circuit breaker rated 20 A at 120V AC, single-pole. It provides overcurrent protection in Siemens Load Centers for residential and light commercial electrical distribution systems.

What are the specifications of the Siemens QF120A?

The Siemens QF120A is a single-pole, 20 A, 120V AC miniature circuit breaker with a 10kA interrupting capacity at 120V AC. It is a QF-type, plug-in design for use in Siemens Load Centers.

Where to buy the Siemens QF120A worldwide?

3G Electric supplies the Siemens QF120A miniature circuit breaker to customers worldwide. We handle full logistics, customs clearance, and delivery to your site, ensuring you receive genuine Siemens QF120A breakers for your load center needs.

How to install the Siemens QF120A in a load center?

To install the Siemens QF120A, ensure the load center is de-energized. Align the breaker's plug-in tabs with the bus bar slots in the Siemens Load Center and press firmly until it snaps into place. Always follow local electrical codes and manufacturer 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.

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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, 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.
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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: 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.
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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: 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: 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.
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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.
Miniature Circuit Breaker: 20 A Amps, 120/240V AC, 2 Poles, High Intensity Discharge (MPN Q220HID). Key specifications — attr196014: 20 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: 20 A Amps, 120/240V AC, 2 Poles, High Intensity Discharge (MPN Q220HID). Key specifications — attr196014: 20 A; attr196015: 120/240V AC; attr196017: 10kA at 120V AC; attr196018: Siemens EQ Load Centers; attr196016: Single; attr232503: Q.