Dailywell Electronics Co., Ltd. - Switch, Metal Switch and Anti Vandal Switch Manufacturer

faq

Frequently Asked Question

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The 1M switch product is the long-life product in Dailywell. Therefore, we have thousand various types of 1M switch, including actuator, bushing, housing, termination, switch support, and etc. For the terminal plating have silver, gold plating silver, those two terminal types, are providing the largest voltage and current. Those two are to comply with 120VAC or 28VDC under 5A, and also meet 250VAC under 2A. Moreover, the gold terminal meets maximum of 0.4 VA, and the largest voltage is 20V(DC or AV).
The silver terminal plating can meet the largest voltage and current, the standard is 120VAC or 28VDC under 5A, and also to comply with 250VAC under 2A. However, the gold terminal meets the maximum of 0.4VA, is the largest voltage ONLY 20V(DC or AV). On the other hand, the gold terminal has better and stable conductivity. Moreover, the gold terminal has the characteristic of antioxidant and proof against corrosion on the complex circuit using. Assumed of all, the gold terminal has better protection and electrical life.
The long-life of Dailywell products, the code rule is from 1 to 8 with different English letters, and we call the “EIGHT SERIES”. For example, toggle switches are 1 and 2, rocker switches are 3 and 4, slide switches are 5 and 6, and pushbutton switches are 7 and 8. Then, 1,3,5 and 7 are small switch systems, and 2,4,6 and 8 are tiny switch systems. The letter of M is Dailywell standard type, F is high class standard, A is water proof type, and B is SMT type. The particular are 2U,4U and 8U types are showing tiny switch products. 2TE is water proof of toggle switch, the size is better than 2A series. 5SE is water proof slide switch, the size is as same as 2TE series.
IP is an acronym for "Ingress Protection" against objects that intrude into the enclosure of any type of equipment. The IP ratings are defined in the IEC standard 60529, which was developed by the lnternational Electrotechnical Commission. Specifically, IEC 60529 defines an enclosure as, "a part providing protection of equipment against certain external influences and in any direction protection against direct contact." The IP rating is formatted as "IP" followed by two digits. The first digit indicates a protection level against solids such as dust, and the second digit indicates a protection level against liquids. Figure 1 illustrates the IP formats and uses IP56 as an example. Below table is for explanation.
The common of Dailywell MPB series are MPB 19~25 and MPB 16. For example MPB19, 19 is meaning of holes size, if the upper cap size is 22mm. The whole series is following this design rule. Moreover, The production line of MPB19~25, the lockable or un-lockable is pushbutton size(including identity length/actuator length/the button length) as same. However, the series of MPB16 is divided of MPB16 and MPB16L, the identity length is different from the button length.
Dailywell PSD switch series, is many illuminated colors, lockable or un-lockable functions, the biggest feature is matching various kind of caps, with different adaptors, might change the upper of switch, including 6x6mm, 10x10mm, 12x12mm, etc. Besides, the height has two kinds for selection. Assumed of all, this type of switch is customized product, and customers can design the function and illuminated color. Please request your inquiry for our sales team.
The definition and aim of the RoHS directive is quite simple. The RoHS directive aims to restrict certain dangerous substances commonly used in electronic and electronic equipment. Any RoHS compliant component is tested for the presence of Lead (Pb), Cadmium (Cd), Mercury (Hg), Hexavalent chromium (Hex-Cr), Polybrominated biphenyls (PBB), and Polybrominated diphenyl ethers (PBDE). For Cadmium and Hexavalent chromium, there must be less than 0.01% of the substance by weight at raw homogeneous materials level. For Lead, PBB, and PBDE, there must be no more than 0.1% of the material, when calculated by weight at raw homogeneous materials. Any RoHS compliant component must have 100 ppm or less of mercury and the mercury must not have been intentionally added to the component. In the EU, some military and medical equipment are exempt from RoHS compliance. Besides, Dailywell is taking and will take due diligence within our supply chain to assure “DRC Conflict-Free” for the Minerals of gold (Au), tantalum (Ta), tungsten (W), cobalt(Co) and tin (Sn) are not derived from or sourced from mines in conflict areas of the Democratic Republic of Congo (DRC), or illegally taxed on trade routes, either of which are controlled by non-governmental military groups, or unlawful military factions. Trade routes not confirmed to be “Conflict Free” include direct exports from the DRC, as well as exports through Rwanda, Uganda, Burundi, Tanzania and Kenya (countries of whom the U.N. Security Council note are global export routes for DRC-mined minerals). Assumed all, Dailywell would like to confirm Minerals used in Products sold to customers are “DRC Conflict-Free” promise.
The IP Code, International Protection Marking, IEC standard 60529, sometimes interpreted as Ingress Protection Marking, classifies and rates the degree of protection provided against intrusion (body parts such as hands and fingers), dust, accidental contact, and water by mechanical casings and electrical enclosures. It is published by the International Electrotechnical Commission (IEC). The equivalent European standard is EN 60529.
In fact, those names are meaning that how many circuits can be controlled. The terms of pole and throw are also used to describe switch contact variations. The number of "poles" is the number of electrically separate switches which are controlled by a single physical actuator. For example, “SPST" switch is Single pole, single throw, a simple on-off switch: The two terminals are either connected together or disconnected from each other. “SPDT” switch is Single pole, double throw, a simple break-before-make changeover switch: C (COM, Common) is connected to L1 (NC, Normally Closed) or to L2 (NO, Normally Open). “DPST” is double pole, single throw, equivalent to two SPST switches controlled by a circuit. “DPDT” is double pole, double throw, equivalent to two SPDT switches controlled by two circuits. “3PDT” is 3 poles, double throw, equivalent to 3 SP and DT switches controlled by two circuits.
The designed concept of MPB is double-illuminated, is used to double chips of LED, is dispersion to make the light reflects well-distribution. Below pictures are for explanation.
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