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What is Hager in the context of protections and solar panels?
The Hager collection includes miniature circuit breakers, residual current devices, disconnectors, and panel solutions for distribution and protection in residential, commercial, and industrial installations, including the solar environment. Its purpose is to ensure disconnection in case of overloads and short circuits, residual current protection for people, and regulatory compliance with quality modular components.
Advantages and limitations
- Consistent and professional range with standardized references for a clean and maintainable panel layout.
- Standard tripping curves (e.g., C) and rated breaking capacity (e.g., 6 kA) for most standard service entries.
- Wide range of 1P+N and 2P/3P/4P ratings, and compatibility with busbars, covers, and labeling.
- Limitations: for the photovoltaic side in direct current, specific DC/photovoltaic equipment is usually required; always check voltage, breaking capacity, and utilization category before using in DC.
Applications
- Protection in alternating current (AC) for general circuits and inverter outputs.
- Panels for homes or commercial premises with MCBs per circuit and 30 mA RCD.
- Small auxiliary panels for solar equipment (monitoring, communications, critical loads).
- Three-phase distribution in SMEs with basic selectivity and visible disconnection.
How to choose your Hager protections
- Network type: single-phase 230 V (1P+N) or three-phase 400 V (3P/4P).
- MCB rating according to the circuit current and cable cross-section (10 A, 20 A, 32 A, 40 A, etc.).
- Tripping curve (C is usual for general uses; B for sensitive loads; D for motors with high peaks).
- Breaking capacity (e.g., 6 kA) according to the presumed short-circuit current of the installation.
- Residual current device: 30 mA sensitivity in general use circuits; AC/A type depending on electronic loads.
- Mounting: number of DIN modules available in the panel and need for connection combs.
Indicative specifications (depending on reference)
| Configuration | 1P+N, 2P, 3P, 4P |
| Curve | C (general), B/D depending on application |
| Breaking capacity | ≈ 6 kA typical in AC |
| Rated voltage | 230 V / 400 V AC |
| Residual current protection | 30 mA (type AC/A according to loads) |
| Assembly | On DIN rail; compatible accessories and busbars |
Best practices
- Coordinate AC protections downstream of the inverter with appropriate RCD/MCB and, if applicable, Type II SPD.
- For PV generator in DC, use specific DC protections with certified voltage and photovoltaic category.
- Size for selectivity: staggered ratings and sufficient breaking capacity according to the supply line.
- Clear labeling, proper cable management, and reserve space in the panel for future expansions.
- Check tightening and functional tests (RCD tripping) during commissioning.
Quick comparisons
- 1P+N curve C: general single-phase circuits (lighting, outlets, small loads).
- 2P/3P/4P: dedicated lines and three-phase distribution in SMEs.
- 30 mA RCD: personal protection for general use; select type A for electronic loads.
Related accessories and collections
With Hager you have high-quality modular components to build safe and organized panels, compatible with the requirements of residential, commercial, and industrial installations, including those associated with photovoltaic systems.
What is Hager in the context of protections and solar panels?
The Hager collection includes miniature circuit breakers, residual current devices, disconnectors, and panel solutions for distribution and protection in residential, commercial, and industrial installations, including the solar environment. Its purpose is to ensure disconnection in case of overloads and short circuits, residual current protection for people, and regulatory compliance with quality modular components.
Advantages and limitations
- Consistent and professional range with standardized references for a clean and maintainable panel layout.
- Standard tripping curves (e.g., C) and rated breaking capacity (e.g., 6 kA) for most standard service entries.
- Wide range of 1P+N and 2P/3P/4P ratings, and compatibility with busbars, covers, and labeling.
- Limitations: for the photovoltaic side in direct current, specific DC/photovoltaic equipment is usually required; always check voltage, breaking capacity, and utilization category before using in DC.
Applications
- Protection in alternating current (AC) for general circuits and inverter outputs.
- Panels for homes or commercial premises with MCBs per circuit and 30 mA RCD.
- Small auxiliary panels for solar equipment (monitoring, communications, critical loads).
- Three-phase distribution in SMEs with basic selectivity and visible disconnection.
How to choose your Hager protections
- Network type: single-phase 230 V (1P+N) or three-phase 400 V (3P/4P).
- MCB rating according to the circuit current and cable cross-section (10 A, 20 A, 32 A, 40 A, etc.).
- Tripping curve (C is usual for general uses; B for sensitive loads; D for motors with high peaks).
- Breaking capacity (e.g., 6 kA) according to the presumed short-circuit current of the installation.
- Residual current device: 30 mA sensitivity in general use circuits; AC/A type depending on electronic loads.
- Mounting: number of DIN modules available in the panel and need for connection combs.
Indicative specifications (depending on reference)
| Configuration | 1P+N, 2P, 3P, 4P |
| Curve | C (general), B/D depending on application |
| Breaking capacity | ≈ 6 kA typical in AC |
| Rated voltage | 230 V / 400 V AC |
| Residual current protection | 30 mA (type AC/A according to loads) |
| Assembly | On DIN rail; compatible accessories and busbars |
Best practices
- Coordinate AC protections downstream of the inverter with appropriate RCD/MCB and, if applicable, Type II SPD.
- For PV generator in DC, use specific DC protections with certified voltage and photovoltaic category.
- Size for selectivity: staggered ratings and sufficient breaking capacity according to the supply line.
- Clear labeling, proper cable management, and reserve space in the panel for future expansions.
- Check tightening and functional tests (RCD tripping) during commissioning.
Quick comparisons
- 1P+N curve C: general single-phase circuits (lighting, outlets, small loads).
- 2P/3P/4P: dedicated lines and three-phase distribution in SMEs.
- 30 mA RCD: personal protection for general use; select type A for electronic loads.
Related accessories and collections
With Hager you have high-quality modular components to build safe and organized panels, compatible with the requirements of residential, commercial, and industrial installations, including those associated with photovoltaic systems.









