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Bench Talk for Design Engineers

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Bench Talk for Design Engineers | The Official Blog of Mouser Electronics

Understanding SCCR Values to Avoid Weak Links in the Safety Chain

On November 21, 2025 in All, Industrial Automation, Motor Control, Power, Security by Schneider Electric

Short-circuit current ratings (SCCR) define how much short-circuit current control panels can withstand during a fault condition. Proper calculation and component selection prevent weak links, protect equipment and personnel, and help achieve compliance with NEC and UL standards.

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Tagged With: fault current, nec 409.110, sccr, short circuit current rating, tesys contactors, ul 508a

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Copyright ©2026 Mouser Electronics, Inc.

Mouser® and Mouser Electronics® are trademarks of Mouser Electronics, Inc. in the U.S. and/or other countries. All other trademarks are the property of their respective owners. Corporate headquarters and logistics centre in Mansfield, Texas USA.

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Copyright ©2026 Mouser Electronics, Inc.

Mouser® and Mouser Electronics® are trademarks of Mouser Electronics, Inc. in the U.S. and/or other countries. All other trademarks are the property of their respective owners. Corporate headquarters and logistics centre in Mansfield, Texas USA.