Functions
●Overload protection
● Short circuit protection
● Controlling
● Protection for people and big length cables in TN and IT systems
● DC string protection: Protects the PV module from dangerous high DC back current
● Applications in direct current circuits,such as motors,auxiliary circuits,and photovoltaic systems.
● Used in industry and new energy
Technical Specifications
Standard: IEC 60947-2
Rated current In(A): 6,10,16,20,25,32,40,50,63
Number of poles: 1,2,3,4
Operational voltage Ub (V DC):
Min.:12
Max.: 1P:250; 2P:500; 3P:750; 4P:1000
Rated insulation voltage(VDC):1500
Rated impulse withstand voltage(kA):5
Tripping characteristic:B,C
Characteristic B (In): 4~7
Characteristic C (In): 7~15
Thermal operating limit (In):1.05-1.3