Stm1-63 4p MCB Circuit Breaker High Breaking Capacity Overload Protection

Product DescriptionGENERAL  STM1-63 series high breaking capacity mini circuit breaker is used in AC50/60Hz, rated voltage of 230V3, 4 poles 400V, rated current to 63A for overload and short-circuit protection as well as for unfrequented switching under normal case.It is used extensively for industry, commercial and household.This product conform to IEC60898 standard.Specification:ModelSTM1-63 MCBPole1P,2P,3P,4PRated Current(In)1,2,4,6,10,16,20,25,32,40,50,63ARated Voltage(Un)AC230(240)/400(415)VRated Frequency50/60HZTripping curveB,C,DMagnetic releasesB curve: between 3and 5 InC curve: between 5and 10InD curve: between 10 and 14InElectro-mechanical enduranceover 6000 cycles 1. Application:For protecting cables and equipments against overload and short circuit.2. General rules for choosing MCB.a. Technical data of the network at the point consideredThe earthing systems,short-circuit current at the circuit breaker installation point,which must always be less than the breaking capacity of this device,network normal voltage.b. There are 3 curvve characteristics for magnetic operation:B curve (3-5In) protection and control of the circuits against length cables in TN and IT systems.C curve (5-10In) protection and control of the circuits against overloads and short-circuits; protection for resistive and inductive loads with low inrush current.D curve (10-14In) protection and control of the circuits against overloads and short-circuits; protection for circuits which supply loads with high inrush current at the circuit closing (LV/LV transformers,breakdown lamps.) Standard IEC/EN  60898-1ElectricalfeaturesRated current InA1,2,4,6,10,16,20,25,32,40,50,63PolesP1,2,3,4Rated voltage UeVAC   240/415Insulation voltage UiV500Rated frequencyHz50/60Rated breaking capacityA45,006,000Rated impulse withstand voltage(1.2/50)UimpV4000Dielectric test voltage at ind.Freq.for 1 minKv2Pollution degree 2Thermo-magnetic release characteristic B,C,DMechanicalfeaturesElectrical lifet4000Mechanical lifet10000Protection degree IP20Reference temperature for settingof thermal elementºC30Ambient temperature(with daily average ≤35ºC)ºC-5~+40(Special application please refer totemperature compensation correction)Storage temperatureºC-25~+70InstallationTerminal connection type Cable/Pin-type busbarTerminal size top/bottom for cablemm225AWG18-3Therminal size top/bottom for busbarmm225AWG18-3Tightening torqueN*m2In-lbs18Mounting on DIN rail EN 60715(35mm)by means of fast clip deviceConnection From top and bottomOur Services:Competitive price Continuance Service and supportGood-after serviceQuality Reliability and Long Product Life.FAQ:1. What's the difference between type C and type D miniature circuit breaker?A: type C is mainly used for power distribution control and lighting protection.type D is mainly used for motor protection. 2. How to calculate the ampere number formula?A: it is known that the power divided by voltage is equal to the ampere (WN=A). 3. What is the difference between unipolar, bipolar and tripolar?Answer: single pole (1P)220V cut off live wire, bipolar (2P)220V live wire and zero line colleagues cut off, three levels (3P)380V three-phase power all cut off 4. What is the meaning of the circuit breaker (C6, C10, C25, C32, C63, etc.)?A: air switch c is the classification of circuit breakers, and the number represents the number A of circuit breakers. 5. How to select the right circuit breaker?Answer: when choosing circuit breaker, should choose than the circuit breaker of electric current small. If the BV2.5 square wire bearing current is 26A, the circuit breaker should be selected below 25A. /* January 22, 2024 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(",").forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1