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What is the cross-reference for a Siemens A Curve?

Siemens A Curve is a 2-3 times the Magnetic.
The Z curve is the closest with magnetics at 2.4 - 3.6 x, but we do not offer Z curve products in the USA.
B Curve for a Multi 9 Circuit Breaker would be 3.2 -4.8 times the magnetic.

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