Modular protective DC circuit breaker for solar modules 2P | 20A | 1000VDC | 6kA | DIN

Technical Specifications:

Number of Poles: 2P

Rated Current (In): 20A  

Rated Operating Voltage (Ue): 12–1000V DC

Rated Insulation Voltage (Ui): 1200V DC

Ultimate Breaking Capacity (Icu): 6kA

Tripping Characteristic: C (standard current breaking curve)

Mechanical Durability: 20,000 on/off cycles

Electrical Durability: 10,000 cycles

Mounting: DIN rail (35 mm)

Operating Temperature: -25 °C ~ +70 °C

Functions:

Protection against short circuit and overload in DC networks

Safe protection of PV modules, batteries, and inverters

Suitable for use in single or multi-string photovoltaic systems

Ideal for use in control circuits, PV strings, or low-current protection where precise and fast disconnection is required

Fast disconnection in emergency situations

Applications:

Solar photovoltaic (PV) systems (residential and industrial)

Direct current (DC) distribution boxes

Battery system (accumulator) circuit protection

Inverter protection

Microinverter and solar panel string fuses

Pros:

High breaking capacity – up to 6kA ensures safety even under heavy loads

Wide voltage range – from 12V to 1000V DC

Compact size, ideal for limited installation space

Long service life – up to 20,000 mechanical cycles

Quick and easy installation on a standard DIN rail

Cons:

For DC voltage only – not suitable for AC networks

Requires basic knowledge of electrical installation for proper mounting

A solar system switch is an excellent choice when protection of DC circuits is needed. This includes PV module systems, control devices, or automation control units. This component is essential for protection in photovoltaic or DC systems.