Power supply SPD with pressure-resistant explosion-proof structure used in explosion-proof areas such as petrochemical plants.
The "EX-P type" is a pressure-resistant explosion-proof structure power supply SPD (surge protective device) used in explosion-proof areas such as petrochemical plants and heavy chemical factories. It implements the MZS-200AV type power supply SPD compliant with JIS C 5381-1 Class I and II. 【Features】 ■ The MZS-200AV type is equipped with a deterioration display function and an alarm contact output function for deterioration. ■ Certified for explosion-proof equipment (Certification Number TC19315). ■ Applicable gas or vapor explosion grade and ignition degree: IIBT6 (For explosive gases with an ignition temperature exceeding 85°C and below 100°C). For more details, please refer to the catalog or feel free to contact us.
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basic information
**Performance of SPD (per unit) implemented in this product** **Item (Measurement Conditions): Performance** ■ Test Class (JIS C 5381-1): Class I, Class II ■ Maximum Continuous Operating Voltage Uc: 230V (50/60Hz) ■ Impulse Discharge Current Iimp (10/350μs): 25kA ■ Maximum Discharge Current Imax (8/20μs): 100kA ■ Nominal Discharge Current In (8/20μs): 20kA ■ Voltage Protection Level Up: Below 1.5kV ■ Continuous Current Interrupting Rating (Uc=230V): 50kA ■ Deterioration Indication Function: Normal condition - concave display, Deterioration - convex display ■ Alarm Contact Output during Deterioration: Yes *For more details, please refer to the catalog or feel free to contact us.*
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Applications/Examples of results
【Application】 ■ Used in AC100V, DC100V, and AC200V power circuits in explosion-proof areas ■ LNG plants ■ Oil storage bases ■ LPG gas bases * For more details, please refer to the catalog or feel free to contact us.
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Company information
Since its establishment in 1930, Sanko Shiya has expanded its business in response to the needs of the times, ranging from the design and manufacturing of communication safety devices and lightning rods to the design and manufacturing of meteorological observation instruments and optical technology-related equipment. Additionally, we established Franklin Japan (in Sagamihara City), a lightning and meteorological information company, and provide high-precision lightning strike information services through a lightning observation network installed across Japan, solidifying our position as the world's only comprehensive company related to 'lightning,' from observation to protection.