Electrical Components for Solar PV, Battery Energy Storage

EDM3 DC Molded Case Circuit Breaker 500V 250A 2P

Product Benefits

  • Over load protection and short-circuit protection
  • Frequency operating and isolating
  • Rated voltage 500VDC
  • Max Rated Current 250A
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ONCCY EDM3-250  molded case circuit breakers offer safe, efficient and variable application options for low-voltage power distribution, up to 500V, whether for industrial applications, infrastructure or buildings. are designed for 1000 Vdc UPS (ungrounded dc) systems ranging 140 A to 250 A.

PV DC circuit breaker is designed to provide overcurrent within appliances or electrical equipment, where a branch circuit protection is already provided or not required. Devices are designed for direct current(DC) control circuit applications. 2P DC500V specialized in Molded Case Circuit Breaker is widely used in solar power system.

Features & Benefits:

  • Reliable protection at high ambient temperature
  • Loadable: string protection up to 250A, size 125A, 140A, 160A, 180A;  200A, 225A, 250A;
  • Tested: ultimate short circuit breaking capacity Icu of 25kA according to IEC 60947-2, DC1000V 2P specialized in Molded Case Circuit Breaker dc circuit breaker
  • Fast: Reclosable for minimum standstill times
  • Safe: reliable disconnector properties, switching under load
  • Approval: provide on request
  • Compliance with global standards and certifications.
  • Minimum space requirement thanks to the compact design.
  • Extensive selection of internal accessories (auxiliary and alarm switches, shunt trips), that are universal to the product line.
EDM3 Series DC Moulded Case Circuit Breaker
Model EDM3-125 EDM3-250
No.of poles 2P 2P
Maximum frame current 125A 250A
Electrical parameters
Rated operating voltage Ue 500V 500V
Rated current In(A) 60/80/100/125 125/160/200/250
Rated insulation voltage Ui 500V DC
Rated insulation withstand voltage Uimp 8KV
1 min power frequency withstand voltage 3.8KV 3.8KV
Ultimate breaking capacity Icu 20KA 20KA
Operating breaking capacity Ics 10KA 10KA
Tripping type Thermal-magnetictype
Control and indication
Operation mode manual operation Direct operation of switch handle Optional
Manual operation mechanism Optional
Electrical operation(MOD) Optional
Shunt release Optional
Auxiliary release Optional
Terminal protective cover Have
Interphase plate Have
Service life
Mechanical life 10000 10000
Electrical life 2000 2000
Protection class Side IP40, Connecting port IP20
Installation and operational environment
Standard ICE60947-2/GB14048.2
Ambient temperature -40℃~+85℃



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