I s this compatable to two pole prime line 50 amp with gcfi.....? The prime line has a higher price is the reason for the question 99 vs 73

if you mean "homeline", as in Square D, then yes, it will technically fit.. but isn't UL approved for that installation

What's the difference between a gfci and a gfcb breaker?

GFCI stands for ground-fault circuit interrupter and GFCI stands for ground-fault circuit breaker. The GFCI is a fast-acting circuit breaker designed to shut off electric power in the event of a ground-fault within as little as 1/40 of a second. It works by comparing the amount of current going to and returning from equipment along the circuit conductors.

Need to replace an existing breaker in the box. what is the exact dimension of the circuit breaker itself. listed spec shows 7 inches?

Most of that 7" length (and the attached grounding wire) is hidden below the panel plate in your box. It takes up the space of a standard double-width breaker in your panel. It should have the same dimensions of the ground-fault breaker that you are replacing.

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Siemens QF250A Breaker Ground Fault Circuit Interrupter, 50 Amp, 2 Pole, 240 Volt, 10,000 AIC

Siemens QF250A Breaker Ground Fault Circuit Interrupter, 50 Amp, 2 Pole, 240 Volt, 10,000 AIC

Product ID: 59944567

Details

Brand
SIEMENS
Circuit Breaker Type
GFCI
Current Rating
50 A
Mounting Type
Plug-In Mount
Product Dimensions
2"D x 3"W x

⚡50 Amp double pole power

🌊Class A GFCI protection

🔒Self-test & lockout safety

€ 204.44

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Description

⚡ Stay powered, stay protected — the breaker that never quits!

CERTIFIED TRUSTED - UL Listed and CSA Certified Class A device, backed by Siemens’ industry-leading reliability and a strong 4.6-star user rating.
HIGH INTERRUPTING CAPACITY - 10,000 AIC rating means it can safely handle high fault currents without damage or risk.
UNMATCHED SAFETY ASSURANCE - Self-testing GFCI breaker that locks out to prevent false resets, ensuring your home’s electrical safety is never compromised.
VERSATILE INSTALLATION READY - Compatible with Siemens load centers and ideal for kitchens, bathrooms, spas, and hot tubs—where safety matters most.
POWERFUL DUAL POLE PERFORMANCE - 50 Amp, 2-pole design delivering robust 240V protection for demanding residential and commercial applications.

The Siemens QF250A is a 50 Amp, 2-pole, 240 Volt GFCI circuit breaker with a 10,000 AIC interrupting rating. Featuring an innovative self-test and lockout mechanism compliant with UL 943, it continuously ensures optimal safety by preventing unsafe resets. Perfect for high-risk areas like kitchens and spas, this UL Listed and CSA Certified Class A device offers reliable, high-capacity protection compatible with Siemens load centers.

Specifications

ASIN	B01H04XG6S
Best Sellers Rank	#20,184 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #1 in Ground Fault Circuit Interrupters
Brand Name	SIEMENS
Circuit Breaker Type	GFCI
Current Rating	50 A
Customer Reviews	4.6 4.6 out of 5 stars (845)
Global Trade Identification Number	00887621216757
Included Components	One Ground Fault Circuit Interrupter
Item Dimensions D x W x H	2"D x 3"W x 7"H
Item Type Name	QF250A Breaker Ground Fault Circuit Interrupter, 50 Amp, 2 Pole, 240 Volt, 10,000 AIC
Item Weight	16 ounces
Manufacturer	Siemens
Model	QF250A
Mounting Type	Plug-In Mount
Number of Items	1
Number of Poles	2
Part Number	QF250A
UPC	887621216757
Unit Count	1 Count
Voltage	240 volts
Warranty Description	Warranty

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€ 204.44

Duties & taxes included

In stock

Sold byAmazon GreeceDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Greece.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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