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The European edition of the direct current dip and interruption test applies to the very large part of the European market that is powered from a direct current source: telecommunications and data centre equipment operating from a 48 V or 400 V bus, industrial control and safety systems supplied from a battery, building services controllers and the many products that now take power from a USB or a Power over Ethernet connection. In European practice the test is normally reached through the telecommunications equipment standards and through the generic and product family standards for control equipment. The European text reproduces the international levels expressed as percentages of the rated direct voltage, together with the durations, transition times and repetition rate, and it carries the annexes that establish its status under the directive. Because a direct current supply frequently has limited stored energy, the dip levels that a product can survive are often set by the capacitance of its own input.

EN 61000-4-29 standard satisfiable test: Multifunction Immunity Tester 、 Voltage Dips & Interruptions Immunity 。
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Inquiry function description

 •  Using the product inquiry function can help you quickly learn about the product's price and other related information.

 •  You can either inquire about a single product directly, or select multiple products to add to the inquiry bar and inquire about them together.

 •  How to make an inquiry

1. How to add a product to the inquiry bar
1) Select from any product list
2) Select from any product detail page
2. How to access the inquiry bar
1) Click the floating "Inquiry" button on the right side of any page
2) Then fill in your information on the inquiry page
3. How to inquire directly
1) Go to any product detail page, click "Inquiry Now", and then leave your information in the pop‑up window
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Comparison Function Description

1.  Using the product comparison function can help you find the target product you need for selection more quickly and easily.

2.  You can add up to 5 products for comparison. Product models and parameters may vary across different series. It is recommended to compare products within the same series.

3.  How to use the comparison bar.

1. How to add a product to the comparison bar.
1) Select from any product list
2) Select from any product detail page
2. How to perform a comparison.
1) Click the floating "Compare" button on the right side of any page.
2) After confirming the products you have selected for comparison, click "Start Comparison" to view the comparison results.
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