Siemens offers a wide array of thermal-magnetic circuit breakers that are the key element for overload and short-circuit protection of your homes electrical system. To provide additional protection Siemens offers circuit breakers to protect against severe electrical shock or electrocution mitigate the risk of electrical fires and protect against damaging surges and Voltage spikes. Circuit breakers are intended for switching and protection of your home's wiring from high temperatures caused by excess current higher than the rating of the wire. While thermal-magnetic circuit breakers are the key element for overload and short-circuit protection of your electrical system there are potentially dangerous conditions that do not involve over current.
Siemens offers a wide array of thermal-magnetic circuit breakers that are the key element for overload and short-circuit protection of your homes electrical system. To provide additional protection Siemens offers circuit breakers to protect against severe electrical shock or electrocution mitigate the risk of electrical fires and protect against damaging surges and Voltage spikes. Circuit breakers are intended for switching and protection of your home's wiring from high temperatures caused by excess current higher than the rating of the wire. While thermal-magnetic circuit breakers are the key element for overload and short-circuit protection of your electrical system there are potentially dangerous conditions that do not involve over current.
There are no live offers for Siemens QT 20-amp/20-amp 1 -Pole Tandem Circuit Breaker one_size | Q2020NCU right now. The all-time low we recorded was $7.29 on 19 Mar 2026. Set a price alert to hear when it's back in stock.
Prices last updated 24 Mar 2026.
Siemens QT 20-amp/20-amp 1 -Pole Tandem Circuit Breaker one_size | Q2020NCU
Siemens offers a wide array of thermal-magnetic circuit breakers that are the key element for overload and short-circuit protection of your homes electrical system. To provide additional protection Siemens offers circuit breakers to protect against severe electrical shock or electrocution mitigate the risk of electrical fires and protect against damaging surges and Voltage spikes. Circuit breakers are intended for switching and protection of your home's wiring from high temperatures caused by excess current higher than the rating of the wire. While thermal-magnetic circuit breakers are the key element for overload and short-circuit protection of your electrical system there are potentially dangerous conditions that do not involve over current.
Siemens offers a wide array of thermal-magnetic circuit breakers that are the key element for overload and short-circuit protection of your homes electrical system. To provide additional protection Siemens offers circuit breakers to protect against severe electrical shock or electrocution mitigate the risk of electrical fires and protect against damaging surges and Voltage spikes. Circuit breakers are intended for switching and protection of your home's wiring from high temperatures caused by excess current higher than the rating of the wire. While thermal-magnetic circuit breakers are the key element for overload and short-circuit protection of your electrical system there are potentially dangerous conditions that do not involve over current.
Last updated at 24/03/2026 13:12:24
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Free delivery by Mon
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Siemens Q2020nc Circuit Breaker 20a Tandem 120/240 Volt
Delivery $4.44
Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!
Siemens Q2020nc 120v Circuit Breaker 20 Amp Q2020
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Delivery $7.95
Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!
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Delivery by Mar 31 $5.75
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