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MCB Under Voltage Release

MCB under voltage release Introduction Under voltage release The rated voltage is 230V and 400V respectively. The release will break the circuit breaker when the actual voltage is between 70%Ue-35%Ue; the release will prevent the circuit breaker from closing when the actual voltage is below...

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MCB under voltage release

Introduction

Under voltage release

The rated voltage is 230V and 400V respectively. The release will break the circuit breaker when the actual voltage is between 70%Ue-35%Ue; the release will prevent the circuit breaker from closing when the actual voltage is below 35%Ue; the release will close the circuit breaker when the actual voltage is between 85%Ue-110%Ue.

Installation and Use

1. This series of circuit breaker accessories are specially designed for use in conjnction with DAB7 (63 frame) circuit breakers and are not intended to be used alone.

The circuit breaker has the following accessories

Circuit breaker + auxiliary contact; 

circuit breaker + auxiliary alarm contact; 

circuit breaker +shunt trip;

circuit breaker + shunt trip + auxiliary contact; 

circuit breaker + shunt trip + auxiliary alarm contact; 

circuit breaker + undervoltage trip.

2. The four accessories are installed on the left side of DAB7-63 miniature circuit breakers, the DAB7-OF, DAB7-FB, DAB7-QY are fixed with screws, the DAB7-FL is fixed to both sides with tape, and at the same time can be installed with the guide rail.

3. The mechanical connection between the circuit breaker and DAB7-, DAB7- FB, DAB7- FL, DAB7-QY transmission shaft should be flexible and compatible with the rest of the equipment.

4. After DAB7-QY circuit breaker has been installed, it can only be closed when press the test button. And installer should shut off the circuit breaker and release the test button immediately, thus ensure the installation safely and correctly. Besides, the rated voltage should pass through the undervoltage trip at same time.

High-strength cartons, pallet protection, good for long-distance export transport

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Why choose us?

1. We are the leading manufacture for 30 years. Our company founded in 1986, develop very fast during 30 years.

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2. The Group, comprising 3 factories, owns a production area of 52,400m² and employs more than 500 staff. we have invested nearly ten million yuan in order to expand our operation and upgrade our workshops.

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3. Factory audited by INTERTEK,DEKRA&GMC

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4. We have professional R & D team, have standard development process. Can provide excellent customized service. 


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5.We produce MCB by automatic production line.

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6.We can provide free samples, and, we have report for each samples, you can check our quality very well before place official order.

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7.We are an informationization company,We have OA system, ERP system, that can help us to management, control quality.

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8.World famous electricity Power Gen exhibition 

Our exhibition covers the world, Dubai, Brazil, Russia, Hanover, Egypt, Austria,Iran, Mexico and other professional power exhibitions

FAQ

Q: How long is your delivery time?

A: Generally it will take 25 days upon receipt of order confirmation.If it is urgent order,we’ll negotiate to plug your order first but its better inform us as earlier as you can. 

Q: Do you provide samples ? is it free or extra ?

A:The sample are free of charge, freight cannot be for free; After you order it, we can charge off from mass orders.

Q: What is your terms of payment ?

A: We accept TT,30% deposit and 70% balance against copy of BL

B. L/C at sight

Q: Can you accept OEM our brand ?

A: We accept OEM your brand, but it depends on your order quantity.

Q:What is your main market?Turnover?

A:Our main market is middle east,Europe,and turnover is roughly 20 million

USD per year.

Q:Do you have interest to do our own design items?

A:Absolutely!We have big interest!

Q:How many staffs in your company?

A:Roughly 300 in workshop, and 10 inspectors.

If you have any further questions, please let us know.


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