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

The Siemens Q Series Q2020NC is a 1-pole, Duplex/Non CTL miniature circuit breaker rated 20/20 A, 120V AC, with a 10kA interrupting capacity at 120V AC. Designed for use in Siemens EQ Load Centers, this plug-in…

SKU 3G-OTH-622280

Brand
SIEMENS
Item
Miniature Circuit Breaker: 20/20 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
Q2020NC
Type
Duplex/Non CTL
AC
120V
Poles
1
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SIEMENS Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The Siemens Q Series Q2020NC is a 1-pole, Duplex/Non CTL miniature circuit breaker rated 20/20 A, 120V AC, with a 10kA interrupting capacity at 120V AC. Designed for use in Siemens EQ Load Centers, this plug-in breaker provides overcurrent protection in a compact single-module footprint.

Frequently Asked Questions

What is the Siemens Q2020NC miniature circuit breaker used for?

The Siemens Q2020NC is a 1-pole duplex miniature circuit breaker rated 20/20 A at 120V AC. It provides overcurrent protection in Siemens EQ Load Centers, commonly used in residential and light commercial electrical panels to protect branch circuits.

What are the specifications of the Siemens Q2020NC circuit breaker?

The Siemens Q2020NC is a Q Series, plug-in miniature circuit breaker with 1 pole, duplex/non CTL design. It is rated 20/20 A, 120V AC, with a 10kA interrupting capacity at 120V AC. It is designed for use in Siemens EQ Load Centers.

Where to buy the Siemens Q2020NC circuit breaker worldwide?

3G Electric supplies the Siemens Q2020NC 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 for pricing and lead time.

How to install the Siemens Q2020NC circuit breaker?

Install the Siemens Q2020NC by first ensuring the panel is de-energized. Align the breaker's plug-in tabs with the bus bar in a Siemens EQ Load Center, then press firmly until it snaps into place. 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 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: 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: 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.
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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.