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YBRM5DC Series 630 Breaker: Top Quality Circuit Protection

YBRM5DC Series 630 Breaker: Top Quality Circuit Protection

YBRM5DC - 630 Series DC Molded Case Circuit Breaker, using Class A, suitable for use at altitudes of 2000 meters and below, rated insulation voltage to DC1500V, rated working voltage of DC750, DC1000, DC1500V, rated current ≤ 630A DC non-grounded, negative grounding, center point grounding, and photovoltaic system circuits, providing short circuit and overload protection for cables, electrical equipment, etc. With a mechanical life of 20000 cycles and an electrical life of 10000 cycles, it has isolation function, and the installation method is fixed and plug-in, with 3P form factor for DC750V and 4P form factor for DC1000V/DC1500V. Short-circuit breaking capability 36kA for type N ICUs and 50/15kA for type H, ICS = 100% ICU. In the current setting, the long delay IR is (0.7 - 1.0) In±20%, the instantaneous II is (5 - 10) In±20% (10In±20% is not adjustable), the arc distance is 0mm up and down, left and right, front and back, there is no internal installation fuse, there are inlet and o…