Depending on the type of Growatt inverter used, the correct installation circuit breaker must be chosen. Below you will find an overview of the suitable installation circuit breakers for the hybrid inverter series MIN, MOD and MID series from Growatt.
| 1 phase |
| 3 phase |
| Inverter: | Maximum AC output | Minimum current protection | Minimum main connection |
| MIN 2500TL-XH | 10.8A | 16A | 25A |
| MIN 3000TL-XH | 13.0A | 20A | 25A |
| MIN 3600TL-XH | 15.7A | 20A | 25A |
| MIN 4200TL-XH | 18.3A | 25A | 35A |
| MIN 4600TL-XH | 20.0A | 25A | 35A |
| MIN 5000TL-XH | 21.7A | 35A | 50A |
| MIN 6000TL-XH | 26.1A | 35A | 50A |
| MOD 3000TL3-XH | 4.8A | 16A | 25A |
| MOD 4000TL3-XH | 6.4A | 16A | 25A |
| MOD 5000TL3-XH | 8.0A | 16A | 25A |
| MOD 6000TL3-XH | 9.6A | 16A | 25A |
| MOD 7000TL3-XH | 11.2A | 16A | 25A |
| MOD 8000TL3-XH | 12.8A | 20A | 25A |
| MOD 9000TL3-XH | 14.3A | 20A | 25A |
| MOD 10KTL3-XH | 15.9A | 20A | 25A |
| MID 17KTL3-XH | 27.1A | 35A | 50A |
| MID 20KTL3-XH | 31.9A | 40A | 50A |
| MID 25KTL3-XH | 39.9 A | 50A | 63A |
| MID 30KTL3-XH | 43.5 A | 60A | 80A |
Suitable Installation Circuit Breakers for Growatt Inverters with Backup Functionality
Are you working with the Growatt WIT4-15K-HU or an inverter from the MOD-HU series? Then it is important to carefully consider the correct installation circuit breaker. The correct choice depends on how the system is configured.
Two scenarios, two tables
To keep it clear, we have created two tables:
Without using the backup output
This table shows the maximum AC current on the regular grid connection (AC grid side).Using the backup output
Here you see the maximum output on the backup load connection. (this applies to both on and off-grid)
Note: the configuration of your installation ultimately determines which installation circuit breaker is suitable. Always match the protection carefully to the intended use of the inverter.
Without using the backup output
| Inverter: | Maximum AC output | Minimum current protection | Minimum main connection |
| WIT 4k-HU | 6.4A | 16A | 25A |
| WIT 5k-HU | 7.9A | 16A | 25A |
| WIT 6k-HU | 9.6A | 16A | 25A |
| WIT 8k-HU | 12.8A | 16A | 25A |
| WIT 10k-HU | 15.9A | 20A | 25A |
| WIT 12k-HU | 19.1A | 25A | 35A |
| WIT 15k-HU | 23.9A | 30A | 40A |
| MOD 3000TL3-HU | 4.3A | 16A | 25A |
| MOD 4000TL3-HU | 5.8A | 16A | 25A |
| MOD 5000TL3-HU | 7.2A | 16A | 25A |
| MOD 6000TL3-HU | 8.7A | 16A | 25A |
| MOD 7000TL3-HU | 10.1A | 16A | 25A |
| MOD 8000TL3-HU | 11.6A | 20A | 25A |
| MOD 9000TL3-HU | 13A | 20A | 25A |
| MOD 10KTL3-HU | 14.5 A | 20A | 25A |
| MOD 11KTL3-HU | 15.9A | 20A | 25A |
| MOD 12KTL3-HU | 17.4A | 25A | 35A |
| MOD 13KTL3-HU | 18.8A | 30A | 40A |
| MOD 15KTL3-HU | 21.7A | 32A | 40A |
2. Using the backup output
| Inverter: | Maximum AC output | Minimum current protection | Minimum main connection |
| WIT 4k-HU | 11.6A | 16A | 25A |
| WIT 5k-HU | 14.4A | 20A | 25A |
| WIT 6k-HU | 20A | 25A | 35A |
| WIT 8k-HU | 23.2A | 32A | 40A |
| WIT 10k-HU | 29A | 40A | 50A |
| WIT 12k-HU | 34.8A | 50A | 63A |
| WIT 15k-HU | 43.4A | 63A | 80A |
| MOD 3000TL3-HU | 5.2A | 16A | 25A |
| MOD 4000TL3-HU | 7A | 16A | 25A |
| MOD 5000TL3-HU | 8.7A | 16A | 25A |
| MOD 6000TL3-HU | 10.4A | 16A | 25A |
| MOD 7000TL3-HU | 12.2A | 16A | 25A |
| MOD 8000TL3-HU | 13.9A | 20A | 25A |
| MOD 9000TL3-HU | 15.7A | 20A | 25A |
| MOD 10KTL3-HU | 17.4 A | 25A | 35A |
| MOD 11KTL3-HU | 19.1A | 25A | 35A |
| MOD 12KTL3-HU | 20.9A | 30A | 40A |
| MOD 13KTL3-HU | 23.6A | 30A | 40A |
| MOD 15KTL3-HU | 26.2A | 35A | 50A |
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