ອ້າປັດຈຸບັນ

⎯⎯ Solar PV and Battery Protection

DC MCB for Solar PV and Battery Systems

The VIOX DC MCB range on this page is built around three real product families: VOB3-63DC, VOB6-63DC, and VOB2-125DC. Together they cover compact and higher-current direct current protection needs for solar PV strings, combiner boxes, battery systems, telecom power, and industrial DC distribution, with polarity-free wiring, 1P to 4P configurations, and voltage classes up to DC1200V.

ອ້າງສິດດຽວນີ້

250V-1200V

Typical DC Classes

1P-4P

Pole Formats

63A+125A

Current Platforms

⎯⎯ DC Miniature Circuit Breaker

Three Real Models for Different DC Jobs

VOB3-63DC and VOB6-63DC cover compact 63A DC protection, while VOB2-125DC extends the range for higher-current applications. All three support polarity-free wiring and practical DIN rail integration.

VOB3-63DC

Up to DC1000V and 10kA

VOB6-63DC

Up to DC1200V

VOB2-125DC

Up to 125A high current

DIN Rail

Panel and combiner integration

Typical review points include model family, system voltage, rated current, breaking capacity, pole arrangement, and the real DC installation environment.
  • Solar PV Protection
  • Battery and DC Systems
  • 1P to 4P Direction
  • 125V to 1000V DC
  • ການຕິດຕັ້ງ DIN Rail

⎯⎯ ພາບລວມ

What Is a DC MCB?

A DC MCB, or DC miniature circuit breaker, is a compact protective device designed to interrupt direct current circuits under overload and short-circuit conditions. It is commonly used where direct current remains continuous through the circuit, such as solar PV systems, battery energy storage, telecom power, and other DC distribution layouts where the breaker must match the system voltage, current, and pole arrangement.

Direct Current Interruption

DC breakers are selected for circuits where current does not naturally cross zero as it does in AC applications, so the product rating and DC arc handling are critical.

PV and Battery Protection

DC MCB products are widely used on the DC side of solar power systems, battery strings, energy storage cabinets, and related low-voltage direct current assemblies.

Voltage and Pole Matching

DC MCB selection usually starts with system voltage, then moves to current rating, number of poles, and wiring requirements so the breaker fits the actual installation safely and clearly.

⎯⎯ ຊ່ວງຜະລິດຕະພັນ

Core DC MCB Categories

DC MCB review usually starts with the application environment, then moves to voltage class, pole arrangement, and installation logic. These product categories help organize solar, battery, and low-voltage DC protection needs in one product range.

Model Family

DC MCB VOB3-63

VOB3-63DC ເຄື່ອງຕັດວົງຈອນໄຟຟ້າຂະໜາດນ້ອຍ DC

A compact polarity-free DC MCB series with rated current from 1A to 63A, voltage support up to DC1000V, and 10kA breaking capacity for higher-performance DC protection.
  • Current : 1A - 63A
  • Voltage : Up to DC1000V
  • Breaking: 10kA (6kA optional)

Model Family

DC MCB VOB6-63

VOB6-63DC ເຄື່ອງຕັດວົງຈອນໄຟຟ້າຂະໜາດນ້ອຍ DC

A polarity-free 63A DC MCB family with voltage support up to DC1200V, suited to solar PV, energy storage, telecom power, and industrial DC distribution projects.
  • Current: 1A - 63A
  • Voltage : Up to DC1200V
  • Frame : 63A

Model Family

DC MCB VOB2-125DC

VOB2-125DC ເຄື່ອງຕັດວົງຈອນໄຟຟ້າຂະໜາດນ້ອຍ DC

A higher-current polarity-free DC MCB family covering 32A to 125A with voltage support up to DC1000V, built for solar, energy storage, telecom, and industrial DC circuits that need more current capacity.
  • Current: 32A - 125A
  • Voltage : Up to DC1000V
  • Frame : 125A

⎯⎯ Technical Specs

DC MCB Technical Direction

DC MCB selection is usually confirmed by system voltage, current rating, pole structure, short-circuit level, installation layout, and the actual application environment. These points help match the breaker to solar, battery, telecom, and other direct current systems more accurately.

ລາຍການTypical Coverage
ປະເພດຜະລິດຕະພັນDC miniature circuit breaker for direct current protection
ຊ່ວງກະແສໄຟຟ້າທົ່ວໄປCommon project requests from 6A to 63A
ຕົວເລືອກ Pole1P / 2P / 4P
Typical Voltage Classes125V / 250V / 500V / 1000V DC
ການຕິດຕັ້ງDIN rail installation in cabinets and combiner boxes
ຂອບເຂດການປົກປ້ອງOverload and short-circuit protection in DC circuits
ຄວາມເໝາະສົມຂອງການນຳໃຊ້Solar PV, battery systems, telecom power, DC panels
Wiring ReviewModel marking and system polarity should be matched clearly
System FocusVoltage class first, then current and pole logic
Common Standards DirectionDC-rated breaker selection by target market and application

ຈຸດເດັ່ນຂອງການຕັ້ງຄ່າ

The right DC MCB is normally chosen by confirming the DC system voltage first, then checking the current rating, number of poles, installation environment, and whether the breaker will be used in a solar PV, battery, or general DC distribution application.

Voltage Class First

The DC voltage class is usually the first checkpoint in breaker selection.

Pole Structure Match

1P, 2P, and 4P choices are reviewed against the real circuit layout.

PV and Battery Fit

Solar and storage projects often need clearer DC application matching.

DIN Rail Integration

The breaker should fit the panel, combiner box, or cabinet structure cleanly.

⎯⎯ ການນຳໃຊ້

ຂົງເຂດການນຳໃຊ້

DC MCB products are commonly selected where direct current protection is needed in compact low-voltage assemblies that still require clear voltage matching and dependable circuit isolation logic.

ກ່ອງເຄື່ອງປະສົມແສງອາທິດ

Used for PV string-side overload and short-circuit protection in solar combiner box and rooftop photovoltaic installations.

Battery Energy Storage

Suitable for battery-related DC branch circuits, battery cabinets, and energy storage layouts requiring compact breaker protection.

Telecom DC Power

Fits telecom power cabinets, backup systems, and DC control circuits where direct current distribution needs compact modular protection.

Industrial DC Panels

Applied in control cabinets, automation enclosures, and dedicated DC distribution panels that require DIN rail breaker integration.

⎯⎯ ຈຸດສຸມການຄັດເລືອກ

How to Select the Right DC MCB

The right DC miniature circuit breaker is selected by matching system voltage, current rating, pole configuration, and installation environment to the actual solar, battery, or low-voltage DC application.

Match the DC Voltage Class First

Start with the actual system voltage. In direct current applications, the breaker voltage class is the first condition that needs to match the circuit design.

Choose the Right Pole Configuration

1P, 2P, and 4P options are used for different circuit structures. The correct pole arrangement depends on the system layout, isolation requirement, and wiring method.

Check the Application Environment

Solar PV strings, combiner boxes, battery systems, and telecom DC cabinets all place different demands on the breaker, so the application should be confirmed early in selection.

Confirm the RFQ Details Clearly

For faster quotation, confirm the system voltage, rated current, pole requirement, quantity, and application so the correct DC MCB configuration can be matched quickly.

⎯⎯ ຄໍາຖາມທີ່ຖາມເລື້ອຍໆ

ຖາມເລື້ອຍໆ

A DC MCB is used to protect direct current circuits against overload and short-circuit conditions. It is commonly applied in solar PV string protection, combiner boxes, battery systems, telecom power, DC control cabinets, and other low-voltage DC distribution assemblies.

Common DC MCB configurations include 1P, 2P, and 4P formats. The right pole arrangement depends on system voltage, isolation logic, circuit design, and the wiring method required by the application.

A DC MCB is designed for direct current interruption, where the arc behavior is different from AC circuits. DC applications require product ratings, pole combinations, and wiring rules that match the target DC voltage and the actual system layout.

DC MCB products are commonly installed in solar combiner boxes, PV inverter DC sides, battery energy storage systems, telecom DC power cabinets, charging-related DC circuits, and industrial control assemblies that use direct current protection.

For a DC MCB quotation, it is useful to send the system voltage, rated current, number of poles, application, wiring requirement, target market, and quantity. This helps confirm the right DC voltage class and breaker configuration.

⎯⎯ ຂໍໃບສະເໜີລາຄາ

Discuss the Right DC MCB Configuration

VIOX supports DC MCB selection for solar PV strings, combiner boxes, battery systems, telecom power, and low-voltage DC distribution cabinets. Share your project basics and we can match the voltage class, pole structure, current range, and installation logic more efficiently.
  • DC voltage class confirmation
  • 1P, 2P, or 4P structure review
  • Solar or battery application matching

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