01
Solar PV DC protection
Overload and short-circuit protection for photovoltaic strings, combiner circuits and inverter-side DC distribution.
VOB6 Series
VOB6-63DC 1200V DC Circuit Breaker
Polarity-free overload and short-circuit protection for solar PV, energy storage and industrial DC distribution circuits up to 1200V DC.
GB/T 14048.2, IEC 60947-2Standards
1P, 2P, 3P, 4PNumber of Poles
1, 2, 3, 4, 6, 10, 16, 20, 25, 32, 40, 50, 63ARated Current (In)
DC 300V (1P), DC 600V (2P), DC 900V (3P), DC 1200V (4P)Rated Voltage (Ue)
01 / PRODUCT VIEWThe VOB6-63DC series miniature DC circuit breaker supports rated currents up to 63A, 1P to 4P configurations and rated operational voltage up to 1200V DC. Its polarity-free connection design accepts upper or lower incoming lines, while the contact-position indicator and layered construction support convenient overload and short-circuit protection in DC systems. It complies with GB/T 14048.2 and IEC 60947-2.
02 / TECHNICAL DATA
Ratings and dimensions for VOB6-63DC selection.
Use the published ratings to select pole count, voltage, current and tripping curve. Confirm the project fault level and final order code against the controlled datasheet and approved quotation.
Core specifications
StandardsGB/T 14048.2, IEC 60947-2
Number of Poles1P, 2P, 3P, 4P
Rated Current (In)1, 2, 3, 4, 6, 10, 16, 20, 25, 32, 40, 50, 63A
Rated Voltage (Ue)DC 300V (1P), DC 600V (2P), DC 900V (3P), DC 1200V (4P)
Rated Frame Current63A
Rated Insulation Voltage (Ui)1200V
Rated Impulse Withstand Voltage (Uimp)6kV
Ultimate Short-circuit Breaking Capacity (Icu)10kA (4.5kA / 6kA optional)
Operating Short-circuit Breaking Capacity (Ics)7.5kA
Usage CategoryA
Dimension reference
Build the VOB6-63DC RFQ configuration.
04 / APPLICATIONS
Where VOB6-63DC fits.
02
Battery energy storage
Polarity-free branch and distribution protection for battery energy-storage DC circuits.
03
Industrial DC distribution
Compact DIN-rail protection for industrial control and other DC distribution systems up to 1200V DC.
05 / RESOURCES
Controlled documents and direct answers.
Download available files or request the latest controlled documents.
Technical DatasheetDownload the technical ratings and installation dimensions for VOB6-63DC.Download
What is the maximum voltage of VOB6-63DC?
The maximum rated operational voltage is DC 1200V with the 4P configuration. The published combinations are DC 300V for 1P, DC 600V for 2P, DC 900V for 3P and DC 1200V for 4P.
Is VOB6-63DC polarity sensitive?
No. VOB6-63DC is designed for DC polarity-free connection, and both upper and lower incoming-line arrangements are acceptable.
Which rated currents are available?
Published rated-current options are 1, 2, 3, 4, 6, 10, 16, 20, 25, 32, 40, 50 and 63A.
What is the breaking capacity?
The published ultimate short-circuit breaking capacity (Icu) is 10kA, with 4.5kA and 6kA available as options. The operating short-circuit breaking capacity (Ics) is 7.5kA. Confirm the required capacity against the project fault level.
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