---
description: BENY BB1-80 modular DC miniature circuit-breakers (MCB) can be used in solar DC circuits up to 1000 VDC (4-poles execution). Application in solar DC circuits, battery energy storage systems and UPS.
title: DC Mini Circuit Breaker 1000V 80A BB1-80 UL Listed | Beny New Energy | BENY Electric
image: https://www.beny.com/wp-content/uploads/2025/12/application-of-BENY-BB1-80-Mini-Circuit-breaker-product-2P-3P-4P.webp
---
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# DC Mini Circuit Breaker 1000V 80A BB1-80 UL Listed
BB1-80 2P 3P 4P DC circuit breakers are mainly used in electrical equipment such as bus box and energy storage distribution system. The BB1-80 Product Series is UL Listed.
#### Highlights :
- Non-polar More Convenient Installation
- Up to 1000V 80A
- UL 489 /CSA C22.2 No. 5
- High Score Breaking Ability: 10kA
- Overload protection; Short circuit protection; Off-frequency operation
- Arc Extinguishing and Current Limiting
- ![UL Icon 100\*100]()
- ![CSA icon 100\*100]()
[Download Datasheet](https://www.beny.com/wp-content/uploads/2025/08/Datesheet-BB1-80-DC-Circuit-Breaker-UL489-25.03.19.pdf) [Request A Quote](javascrpt:;)
- ![BENY BB1 80 Mini Circuit breaker product series]()
- ![application of BENY BB1 80 Mini Circuit breaker product series]()
## Solar DC mini circuit breaker
The BB1-80 series DC circuit breakers are mainly used inelectrical equipment equipment such as bus box and energy storage distributicon system.
Rated working voltage up to 1000V DC, rated working current up to 80A, Scientific aarc extinguishing and current limiting system can quickly disconnect the fault current of theDC distribution system, and can realize
counter current protection to ensure the reliable operation of the system.
## SPECIFICATION
| Electrical Characteristics | | | | |
| --- | --- | --- | --- | --- |
| Type | | BB1-80 | | |
| Comply with | | UL 489 /CSA C22.2 No. 5 | | |
| Pole | | 2P | 3P | 4P |
| Rated Working Voltage | Ue | 500V | 750V | 1000V |
| Max Rated Current | lth | 80A | | |
| Rated Current | ln | 25A,32A,40A,50A,63A,80A | | |
| Rated lnsulated Voltage | Ui | 1000V DC | | |
| Rated Impulsed Voltage | Uimp | 6kV | | |
| Ultimate Breaking Capacity | lcu | 10kA | | |
| Run Breaking Capacity | lcs | 6kA | | |
| Tripping Type | | Thermal Magnetic Type | | |
| Service Life&Cycle Operation | | | | |
| Mechanical life | | 10000 | | |
| Electrical life | | 1000 | | |
| lnstallation Environment | | | | |
| Protection Degree | | Side IP40, cable port IP20 | | |
| Wiring Capacity | | AWG10-AWG4 | | |
| Wiring Torque | | 3.5N·m Max | | |
| Working Temperature | | -40℃\~+80℃ | | |
| Storage Temperature | | -40℃\~+85℃ | | |
| Resistance to Humidity and Heat | | II(Humidity55℃,relative humidity 95%) | | |
| Fixed installation | | Fixed to the 35mm guide rail | | |
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