


Reliable power starts with safe, controlled current. The SPHERE 2 Pole DC Circuit Breaker range is built to protect your 12V and 24V power systems with precision and durability. Each breaker is engineered to meet the demands of off-grid, RV, and solar installations, providing dependable protection against overloads and short circuits without compromising performance.
Designed to handle up to 600V DC, these non-polarised breakers can be installed in either direction, making setup simple and reducing the risk of wiring errors. The robust dual-pole design offers balanced circuit control, while the DIN rail mounting system allows for fast, tidy installation inside distribution panels.
Each model in the range meets Clause 5.5.2.3 – Circuit Breakers for PV Arrays of the AS/NZS 3001.2:2022 safety standard, ensuring compliance with Australia’s latest electrical regulations for mobile and transportable energy systems. Whether you’re building a custom caravan power system or upgrading an existing off-grid setup, SPHERE breakers provide the confidence that your wiring is protected, compliant, and built to last.
Key Benefits:
Applications
Ideal for:
Available in the Range
| Part Number | Description | Model Code | 
| 500-05400 | SPHERE 2 Pole DC Circuit Breaker – 25A Non Polarised | C2C25APVCB | 
| 500-05402 | SPHERE 2 Pole DC Circuit Breaker – 32A Non Polarised | C2C32APVCB | 
| 500-05404 | SPHERE 2 Pole DC Circuit Breaker – 40A Non Polarised | C2C40APVCB | 
| 500-05406 | SPHERE 2 Pole DC Circuit Breaker – 50A Non Polarised | C2C50APVCB | 
| 500-05408 | SPHERE 2 Pole DC Circuit Breaker – 63A Non Polarised | C2C63APVCB | 
| 500-05420 | SPHERE 2 Pole Breaker Cover & Lid | C2CCBCOVER | 
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