LMBD-40P DC MCB 1500V | 6–40A PV & Battery Protection
LMBD-40P DC MCB 1500V | 6–40A PV & Battery Protection
Rated current:6、10、16、20、25、32、40
Poles: 1P、2P、3P、4P
Rated voltage : 1P(500VDC)、2P(1000VDC)、3P(1500VDC)、4P(1500VDC)
Insulation volage: 1500V DC
Rated breaking capacity: 1.5kA
Thermo-magnetic release characteristic: B、C、D
Contact position degree: IP20
Standard: IEC 60947-2
Rated current:6、10、16、20、25、32、40
Poles: 1P、2P、3P、4P
Rated voltage : 1P(500VDC)、2P(1000VDC)、3P(1500VDC)、4P(1500VDC)
Insulation volage: 1500V DC
Rated breaking capacity: 1.5kA
Thermo-magnetic release characteristic: B、C、D
Contact position degree: IP20
Standard: IEC 60947-2
1. Product Overview
2. Key Features
- Rated Voltage: DC 1500V (suitable for 1500V DC PV/ESS)
- Rated Current: 6A,10A,16A, 20A, 25A, 32A, 40A
- Pole Configuration: 2P / 4P
- Trip Curve: B / C (for DC load & PV protection)
- Breaking Capacity: 6kA (high DC fault current interruption)
- Rated Impulse Withstand Voltage (Uimp): 6kV
- Standards: IEC/EN 60947-2, RoHS compliant
- Operating Temperature: -25°C ~ +70°C
- Housing Material: V0 flame‑retardant thermoplastic, anti‑aging & impact‑resistant
- Arc Extinction: Optimized DC arc quenching for safe 1500V DC interruption
3. Technical Specifications
| Standard: IEC 60947-2 GB/T14048.2 | ||||
|---|---|---|---|---|
| Pole | 1P | 2P | 3P | 4P |
| Rated voltage | 500V DC | 1000V DC | 1500V DC | 1500V DC |
| Rated current | 6A、10A、16A、20A、25A、32A、40A、 | |||
| Rated insulation voltage | 1000V | 1500V | ||
| Rated impulse withstand voltage | 8kV | |||
| Tripping characteristic | B/C/D | |||
| Electric life | 1000 times | |||
| Mechanical life | 15000 times | |||
| Ingress protection | IP40;Terminal IP20 | |||
| Operating temperature | -30°C ~ +70°C | |||
| Relative humidity | ≤95% | |||
4. Wiring diagram
5. Tripping characteristics



6. Installing Dimensions



7. Applications
- Solar PV Systems: 1500V DC solar farms & rooftop PV
- Energy Storage Systems (ESS): Battery banks & UPS
- EV Charging: DC fast charging stations
- Industrial DC Distribution: 1500V DC power networks
- Data Centers: High‑voltage DC power distribution
8. Why Choose Our DC MCB
✅ 1500V DC Certified: Designed and tested for 1500V DC systems, compliant with IEC60947-2.
✅ Compact & DIN‑Rail Mount: Space‑saving design for easy installation in PV combiner boxes and control panels.
✅ Reliable DC Protection: Specialized arc quenching ensures safe interruption of DC faults (no zero crossing).
✅ Wide Temperature Range: Stable performance from -25°C to +70°C, ideal for outdoor solar installations.
✅ Global Compliance: CE & RoHS certified for worldwide use.
9. Installation & Safety Notes
- Install only on DC circuits; do not use for AC.
- Observe polarity (+/–) during wiring.
- Use appropriate wire gauge per rated current.
- For 1500V DC systems, ensure adequate insulation and clearance.
1. Product Overview
2. Key Features
- Rated Voltage: DC 1500V (suitable for 1500V DC PV/ESS)
- Rated Current: 6A,10A,16A, 20A, 25A, 32A, 40A
- Pole Configuration: 2P / 4P
- Trip Curve: B / C (for DC load & PV protection)
- Breaking Capacity: 6kA (high DC fault current interruption)
- Rated Impulse Withstand Voltage (Uimp): 6kV
- Standards: IEC/EN 60947-2, RoHS compliant
- Operating Temperature: -25°C ~ +70°C
- Housing Material: V0 flame‑retardant thermoplastic, anti‑aging & impact‑resistant
- Arc Extinction: Optimized DC arc quenching for safe 1500V DC interruption
3. Technical Specifications
| Standard: IEC 60947-2 GB/T14048.2 | ||||
|---|---|---|---|---|
| Pole | 1P | 2P | 3P | 4P |
| Rated voltage | 500V DC | 1000V DC | 1500V DC | 1500V DC |
| Rated current | 6A、10A、16A、20A、25A、32A、40A、 | |||
| Rated insulation voltage | 1000V | 1500V | ||
| Rated impulse withstand voltage | 8kV | |||
| Tripping characteristic | B/C/D | |||
| Electric life | 1000 times | |||
| Mechanical life | 15000 times | |||
| Ingress protection | IP40;Terminal IP20 | |||
| Operating temperature | -30°C ~ +70°C | |||
| Relative humidity | ≤95% | |||
4. Wiring diagram
5. Tripping characteristics



6. Installing Dimensions



7. Applications
- Solar PV Systems: 1500V DC solar farms & rooftop PV
- Energy Storage Systems (ESS): Battery banks & UPS
- EV Charging: DC fast charging stations
- Industrial DC Distribution: 1500V DC power networks
- Data Centers: High‑voltage DC power distribution
8. Why Choose Our DC MCB
✅ 1500V DC Certified: Designed and tested for 1500V DC systems, compliant with IEC60947-2.
✅ Compact & DIN‑Rail Mount: Space‑saving design for easy installation in PV combiner boxes and control panels.
✅ Reliable DC Protection: Specialized arc quenching ensures safe interruption of DC faults (no zero crossing).
✅ Wide Temperature Range: Stable performance from -25°C to +70°C, ideal for outdoor solar installations.
✅ Global Compliance: CE & RoHS certified for worldwide use.
9. Installation & Safety Notes
- Install only on DC circuits; do not use for AC.
- Observe polarity (+/–) during wiring.
- Use appropriate wire gauge per rated current.
- For 1500V DC systems, ensure adequate insulation and clearance.
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