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⚡ Stay powered, stay protected — the switch your system deserves!
The DIHOOL Heavy Duty Battery Disconnect Switch is a 300 Amp, 2-pole DC circuit breaker designed for high-performance power management in solar, UPS, and datacenter applications. Featuring thermal magnetic trip protection, it supports a wide voltage range (12V-400V) and offers easy front-access installation. With a compact size and robust build, it ensures reliable overload and short circuit protection, making it a top-rated choice for professionals seeking durable and efficient power isolation solutions.






















| Asin | B09P4RSPYY |
| Best Sellers Rank | #6,977 in Automotive (See Top 100 in Automotive) #11 in Automotive Replacement Circuit Breaker Switches |
| Brand Name | DIHOOL |
| Circuit Breaker Type | Standard |
| Current Rating | 300 Amps |
| Customer Reviews | 4.8 4.8 out of 5 stars (185) 4.8 out of 5 stars |
| Included Components | termianl |
| Item Dimensions D X W X H | 5.91"D x 7.87"W x 5.51"H |
| Item Weight | 1.52 Kilograms |
| Manufacturer | DIHOOL ELECTRIC |
| Model | DHM1B-2P-300A |
| Mounting Type | Screw Mount |
| Number Of Poles | 2 |
| Part Number | DHM1B-2P-300A |
| Voltage | 400 Volts |
User
Very good component
Works wàll from it was first uses
User
nice breaker
was larger than advertised ended up not needing it
User
Great cutoff for solar battery
This is a very sturdy switch you can use to protect your power wall-inverter circuit. It comes with tools and the capacity is just right to protect a 6,000 Watt inverter and to keep your house from burning down.
User
Good stuff
Solid product
User
Excellent product
Works exactly as advertised
User
Beefy, professional, easy to use, I love it
This sucker protects my solar grid, and I'm very happy with the fact that it can trip at low voltage, and inhave to know what the pull weight of the switch is. I swear it's at least 40lbs to flip the switch, lmfao.
User
Make sure you get input output correct when connecting battery to inverter
Works great easy to install
User
Buen producto
Muy buen calidad
User
Compra OK
Ótima experiência na compra...produto bem embalado e no prazo esperado.
Trustpilot
2 days ago
1 month ago