DC MCB Solar Circuit Breakers 1500V

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

📚 LMBD-40P DC MCB 1500V Manual

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This MCB is specifically designed for 1500V DC photovoltaic and energy storage systems, serving as a critical safety component in medium- and high-voltage DC distribution networks, providing reliable overcurrent and short-circuit protection. With a rated current range of 6A-40A, it features optimized arc extinguishing technology to prevent arc regeneration under high-voltage DC conditions. The MCB is suitable for 1P/2P/3P/4P pole configurations and B/C/D jumper characteristics, fitting standard 35mm DIN rails for easy installation. It has a wide operating temperature range (-35°C to +70°C) and fully complies with IEC 60947-2/UL 489 certifications, making it an ideal choice for photovoltaic string protection, junction box branch protection, and DC-side protection of energy storage systems in the global market.

Characteristic

1.Compact size

2.Short circuit protection

3.Overload protection

4.Flame-retardant materials

5.High segmentation

6.Short arcing

7.Complete attachments

8.Multiple wiring options

Technical Date

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%