FeaturesComplete range of UL 1077 recognized DIN rail mounted miniature circuit breakers up to 63 A current ratingCurrent limiting design provides fast short-circuit interruption that reduces the let-through energy, which can damage the circuitThermal magnetic overcurrent protectionSix levels of short circuit protection, categorized by B, C, D, K, S and Z curvesTrip free design breaker can not be defeated by holding the handle in the ON positionCaptive screws cannot be lostField installable shunt trip and auxiliary switch subsequent mountingModule width of only 17.7 mm (per pole)Contact position indicator red - greenPossibility for sealing the toggle in "ON or OFF" position