GB
IEC
DC Molded Case Circuit Breaker
SYM6Z series DC molded case circuit breakers are suitable for DC systems with rated working voltage DC 1500 V and below and rated working current 500 A and below, with the functions of main circuit overload/short-circuit protection, making, breaking, and isolation. Typical application scenarios include energy storage, photovoltaics, data centers and DC distribution.
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Reduced Installation Footprint
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Low Power Consumption
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High Breaking Capacity
Product Highlights
Reduced Installation Footprint
Dedicated two-pole DC product, 50% smaller in size, enabling cabinet miniaturization.
Low Power Consumption
Overall power consumption reduced by 60% compared with conventional counterparts, boosting power supply efficiency.
High Breaking Capacity
Reliable breaking at 50kA (DC 1000V) to prevent fault escalation.
Technical Specification
Rated Operating Voltage Ue
DC1500V
Rated Operating Current Ie
250A, 320A, 400A, 500A
Rated Impulse Withstand Voltage Uimp
12kV
Rated Ultimate Short-Circuit Breaking Capacity Icu
30kA(DC1500V, τ=2ms)/50kA(DC1000V)
Rated Service Short-Circuit Breaking Capacity Ics
25kA(DC1500V, τ=2ms)/50kA(DC1000V)
Mechanical Endurance
10000
Electrical Durability
1000






