Introduction

Looking for a high-capacity DC circuit breaker? Look no further! This incredibly robust breaker can handle a whopping 40 amperes of current and is rated for a voltage of 750 volts. It's a popular choice among power protection devices, designed specifically to regulate current overload, tackle short circuits, and prevent leakage, all while safeguarding electrical systems and equipment. Excitingly, the 3P 40A 750V MCB for DC Supply is equipped with bimetallic temperature triggers, ensuring an impeccable performance in overcurrent and overload protection. This, in turn, guarantees the secure operation of your electrical equipment. As an added bonus, it boasts a compact and reliable build, making installation a breeze. Trusted and widely used in various industries such as railways, mines, and petrochemicals, this DC protection device is a top-notch solution for those seeking high performance and dependability. Don't miss out on this ideal choice for your power protection needs!

Feature

Looking for a reliable and safe mini circuit breaker for your DC power supply? Our product is exactly what you are looking for! Our 3P 40A 750V MCB for DC Supply is equipped with multiple protection mechanisms to ensure the stability and safety of your DC power supply.
Our circuit breaker comes with an overload and short-circuit protection mechanism that automatically cuts off power to prevent failures caused by excessive heat or short-circuited circuits. We have also included a ground fault protection mechanism to avoid dangerous situations caused by poor contact or short circuit of the ground wire.
Our product is further fortified with an anti-false touch protection mechanism that hinders false triggering triggered by sudden current fluctuations. Additionally, it prevents accidental operation of the circuit breaker switch that could destabilize the equipment.
Lastly, the outer shell of our circuit breaker is made with refractory materials that protect the internal mechanism against external dust and debris. Trust us to provide you with the most effective and reliable mini circuit breaker for your DC power supply!

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Please ensure that all of our goods come with CB certification and a reference test report.

3.Real 10KA capacity

Our automation line ensures a stable lead time, providing consistency and reliability in our operations. We pride ourselves on the high level of automation within our processes, allowing for efficient production and dependable outcomes. Whether it be speed, accuracy or precision - we've got you covered with our automated systems. Sit back and relax, knowing that you're in good hands with our stable lead time.

The instantaneous tripping curves for B-type, C-type, and D-type breakers are as follows: Ii=8In, Ii=10In, and Ii=12In respectively. These values determine the amount of current needed to cause an immediate trip of the breaker. It's important to ensure that the breaker type matches the appropriate instantaneous tripping curve for the specific application to ensure proper operation.

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Product Specification

No.of pole	3P
Rated voltage	750V DC
Rated current	1-63A
Rated insulation voltage	1000V
Rated impulse withstand voltage	6kV
Rated short-circuit breaking capacity	10kA
Comply with IEC60947-2