CSB8-63DC Series DC 500V 1000V MCB

CSB8-63DC circuit breaker is used for DC rated voltage to 1000V, rated current to 63A line, for overload and short circuit protection, and can also be used as an infrequent operation of the line.Circuit breakers are used in DC applications such as communications and photovoltaic system.

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stainless steel square box





indicator function in the contact position



Maximum connecting ability of 25mm

Miniature circuit breakers for use with DC voltages. Idea for communication systems and pv DC systems.

Exclusive design for your safety!
Short circuit and overload protection
Breaking capacity up to 6kA
With contact indicator
Rated current up to 63A
Rated voltage up to 1000V DC
1 Pole, 2 Pole, 3 Pole , 4 Pole are available
Comply with IEC 60898-1

Charateristics Curve:

various styles of cabinet locks 2


CSB8-63DC miniature DC circuit breaker is designed for solar / photovoltaic PV system, energy storage and other direct current DC applications.They are mainly placed between batteries and hybrid inverters.
CSB8-63DC DC circuit breaker provides scientific arc extinguishing and flash barrier technology to fulfill quick and safe current interruption.

Wiring Diagram :

various styles of cabinet locks 2

Product Parameters

Standard IEC/EN 60947-2
Electrical features Rated current In (A) 1,2,3,4,6,10,16,20,25,32,40,50,63
Poles 1P, 2P, 3P, 4P
Rated voltage Ue(V) 1P: 250V,2P:500V,3P:750V,4P:1000V
Insulation voltage Ui (V) 1000V
Rated breaking capacity 6000A
Rated impulse withstand voltage(1.2/50) Uimp (V) 4000
Dielectric Test Voltage at and ind. freq.for 1min 2kV
Pollution degree 2
Thermo-magnetic release characteristic B:6In±20%;  C:12In±20%;
Mechanical features Electrical life 6, 000
Mechanical life 20, 000
Contact position indicator Yes
Protection degree IP20
Reference temperature for setting of thermal element 30℃
Ambient temperature (with daily average ≤35℃) -5…+40℃
Storage temperation -35…+70℃
Installation Terminal connection type Cable/U-type busbar/Pin-type busbar
Terminal size top/bottom for cable 25mm2  / 18-4 AWG
Terminal size top/bottom for Busbar 10mm2  / 18-8 AWG
Tightening torque 2.5 N*m  /  22 In-Ibs.
Mounting On DIN rail EN 60715 (35mm) by means of fast clip device
Connection From top and bottom



Gallery1P 2P 3P 4P

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