Modular protective DC circuit breaker for solar modules 2P | 25A | 1000VDC | 6kA | DIN

Technical Specifications

Poles: 2P

Rated Current (In): 25A  

Operating Voltage (Ue): 12–1000V DC

Insulation Voltage (Ui): 1200V DC

Maximum Breaking Capacity (Icu): 6kA

Characteristic: C (standard current breaking curve)

Mechanical Durability: 20,000 cycles

Electrical Durability: 10,000 cycles

Mounting: DIN rail (35 mm)

Operating Temperature: -25°C to +70°C

Enclosure: Durable, heat-resistant plastic

Standards: Complies with IEC / EN 60947-2

Functions

Reliable circuit protection against short circuits and overloads

Quick circuit disconnection function for safety

Supports high-voltage DC systems up to 1000V

Two-pole protection allows isolation of both wires – important in PV and battery systems

Can be used as a battery switch or fuse

Applications

Solar photovoltaic systems

DC battery banks and energy storage systems

Protection of inverter and MPPT controller inputs/outputs

DC distribution panels in residential, commercial, and industrial settings

Protection of control or measurement circuits

Advantages

High current breaking capacity (6kA) – safety even under serious faults

1000V DC voltage support – ideal for solar and battery systems

Long service life – up to 20,000 mechanical and 10,000 electrical cycles

Compact design – saves space in panels

Easy mounting on DIN rail

Universally applicable – from household to industrial equipment

Disadvantages

Only for DC networks – not suitable for AC installations

Requires careful current assessment to avoid false tripping or insufficient protection

Description

A professional, reliable, and durable automatic circuit breaker designed for direct current distribution networks, battery systems, and solar power plants. It offers quick integration and clear operation for installers, technical precision and reliability for engineers, and system safety for end users.