Quick Take
When you're choosing circuit breakers for electrical distribution switchgear protection, the first decision is not price, it is fit. The four breakers compared here are listed at different price points and built for different roles: a DC solar miniature breaker, a solar PV isolator/disconnect switch, an industrial breaker, and a ground-fault breaker for a specific panel type. The listed price spread runs from $4.80 to $220.00, but the real question is whether the voltage, pole count, amperage, and fault-protection function match your panel and load.
Listed-Price Comparison
These are the listed prices as shown for each breaker.
| Product | Listed Price | Price Bar |
|---|---|---|
| DC Circuit Breaker 1000V 2 Pole Double MCB Solar PV | USD 4.80 | |
| GEYA Solar DC Mini Circuit Breaker 1P MCB 6-125A PV Isolator Disconnect Switch | USD 13.28 | |
| New Circuit Breaker Siemens BE130 30 Amp Equipment Ground Fault Protection 30 mA | USD 69.99 | |
| Square D BGA34020Y 20A 3-Pole Circuit Breaker | USD 220.00 |
Decision Matrix
| If your panel needs... | Consider this breaker | Why |
|---|---|---|
| A DC-rated breaker for solar PV overload protection | DC Circuit Breaker 1000V 2 Pole Double MCB Solar PV | DC solar application and 2-pole double MCB design in the title, plus the lowest listed price in the set. |
| A solar DC disconnect / isolator switch | GEYA Solar DC Mini Circuit Breaker 1P MCB 6-125A PV Isolator Disconnect Switch | PV isolator disconnect switch role with a 6-125A range in the title. |
| Equipment ground-fault protection for a Bolt On BLE panel | New Circuit Breaker Siemens BE130 30 Amp Equipment Ground Fault Protection 30 mA | 30 mA equipment ground-fault protection for a bolt-on 120V breaker. |
| A 3-pole 20A industrial breaker with trip indicator | Square D BGA34020Y 20A 3-Pole Circuit Breaker | Industrial 3-pole 20A design with a trip indicator and switch control style. |
Product Notes
DC Circuit Breaker 1000V 2 Pole Double MCB Solar PV
This 2-pole DC breaker is the lowest-priced listing in the comparison. The title points to 1000V DC, a 2-pole double MCB configuration, and solar PV use, while the description adds overload and short-circuit protection for residential, commercial, and industrial solar installations. The title also lists 10, 16, 20, 32, 40, 50, and 63 amp ratings, so you can align the breaker with the amperage your circuit needs. The listing also notes an instantaneous break time and a switch control style. The main limitation is that it is a DC solar breaker; it is not described as a general-purpose AC breaker, so keep it within the solar DC role it was built for.
GEYA Solar DC Mini Circuit Breaker 1P MCB 6-125A PV Isolator Disconnect Switch
If your solar setup needs a compact disconnect at the PV string, this GEYA breaker is listed as a 1-pole MCB and a PV isolator disconnect switch, with a 6-125A range in the title. The description mentions applications such as electrical wiring, home/garden, and industrial use, and the color is white. It sits near the low end of the price spread while adding the isolator/disconnect role, which makes it a useful middle option between the low-cost DC breaker and the higher-priced industrial unit. The trade-off is the 1-pole format, so it is not suited to the 2-pole or 3-pole distribution tasks covered by the other breakers here. Match your pole count and current rating before wiring it in.
Square D BGA34020Y 20A 3-Pole Circuit Breaker
The Square D BGA34020Y is the highest-priced listing in this comparison, and it is positioned for industrial distribution work. The description says the breaker is new and never used, but the original box was accidentally destroyed, so it does not include that packaging. It is a 3-pole 20A unit with a trip indicator, switch control style, and I-line mounting style, and it is described for industrial use. Choose this one only if a 3-pole 20A breaker with a trip indicator matches your panel and you can accept the packaging condition. The listed price is the highest in this comparison, but the fit still has to come first.
New Circuit Breaker Siemens BE130 30 Amp Equipment Ground Fault Protection 30 mA
The Siemens BE130 is the ground-fault protection option in this group. The title identifies it as a 30 amp breaker with 30 mA equipment ground-fault protection, and the description says it is a 1-pole, 120V bolt-on breaker that fits only Bolt On BLE panels. If your panel is that type and you need ground-fault protection at the breaker, this is the listed choice with that specific protection function. The limitation is the narrow compatibility: it fits only Bolt On BLE panels, so it is not a general-purpose replacement for other panel families. Because it is a 1-pole 120V breaker, keep it in the single-pole circuit role it was designed for.
Final Recommendation by Use Case
- For solar PV overload protection at the lowest listed price: choose the DC Circuit Breaker 1000V 2 Pole Double MCB Solar PV. It is the low-end price option and the only DC solar breaker in this set described for PV overload and short-circuit protection.
- For a compact solar disconnect / isolator: choose the GEYA Solar DC Mini Circuit Breaker. It adds a PV isolator / disconnect switch role and sits near the low end of the price range.
- For ground-fault protection in a Bolt On BLE panel: choose the New Circuit Breaker Siemens BE130. It is the only listed breaker with 30 mA equipment ground-fault protection and the bolt-on BLE panel fit.
- For a 3-pole 20A industrial breaker: choose the Square D BGA34020Y. It is the high-end price option and the only listed 3-pole unit with a trip indicator.
