FA36045 SQUARE D 3P 45A 600V I LINE
The FA36045 Square D 3-Pole Circuit Breaker is designed for use in I-Line applications, providing reliable protection in a compact form. With a 45 Amp rating and a voltage capacity of 600V, this breaker ensures optimal performance and safety for your electrical system. Ideal for commercial and industrial environments.
No. The FA36045 uses Square D's I-Line plug-in connection system, which is designed for commercial/industrial I-Line panelboards and switchboards. QO breakers use a completely different plug-on bus connection and fit QO loadcentres only. The two systems are not interchangeable.
Square D's FA-frame I-Line lineup has seen product transitions over the years, and certain catalogue numbers can become difficult to source through regular distribution channels. Northern Breaker Group specialises in obsolete and hard-to-find breakers — contact our Calgary, Edmonton, or Vancouver counter for current stock availability and lead times.
The 14kA rating is the breaker's short-circuit interrupting capacity — the maximum fault current it can safely clear at 600V. For many commercial distribution panels this is adequate, but higher-fault-current locations (closer to a utility transformer or in larger switchboards) may require a higher AIC-rated device. Check the available fault current at your panel's bus with your engineer or electrician, and contact us if you need an FA-frame breaker with a higher interrupting rating.
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