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Available Now! 
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Sprecher and Schuh
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Miniature Circuit Breaker, C-Curve, 10 Amp, 277VAC/48VDC, 10kA, 1-Pole, UL489 / CSA / CE, IP20
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Available Now! 
Available Now!LS Electric
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MCB, UL489, 1-Pole, C-Curve, 63 Amp, 10kA, 120/240VAC, Thermal Magnetic Miniature Circuit Breaker
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MCB, UL489, 1-Pole, C-Curve, 25 Amp, 10kA, 277VAC, Thermal Magnetic Miniature Circuit Breaker
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LS Electric
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MCB, UL1077, 2-Pole, C-Curve, 1 Amp, 10kA, 240VAC, Thermal Magnetic Miniature Circuit Breaker
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MCB, UL1077, 2-Pole, C-Curve, 32 Amp, 10kA, 240VAC, Thermal Magnetic Miniature Circuit Breaker
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LS Electric
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MCB, UL1077, 2-Pole, C-Curve, 63 Amp, 10kA, 240VAC, Thermal Magnetic Miniature Circuit Breaker
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MCB, UL1077, 2-Pole, C-Curve, 20 Amp, 6kA, 480Y/277VAC, Thermal Magnetic Miniature Circuit Breaker
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LS Electric
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MCB, UL1077, 3-Pole, C-Curve, 2 Amp, 10kA, 240VAC, Thermal Magnetic Miniature Circuit Breaker, NCNR
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LS Electric
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MCB, UL1077, 3-Pole, C-Curve, 16 Amp, 10kA, 240VAC, Thermal Magnetic Miniature Circuit Breaker
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LS Electric
0628036963
MCB, UL489, 3-Pole, C-Curve, 50 Amp, 10kA, 240VAC, Thermal Magnetic Miniature Circuit Breaker
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A circuit breaker will interrupt the flow of current in an electrical circuit, safeguarding surrounding electrical components and wiring by preventing circuit overloads and short circuits.
a.k.a. MCB, MCCB, molded case breaker, supplementary protection, UL1077, UL489, UL508, MMP, manual motor protector