SYM Hoist & Tower Crane Equipment Co., Ltd.  

Product Name: MCB with on-off Indicating Device 3 Phase Switch Model NO.: All Models Condition: New Certification: CE, ISO9001: 2000 Application: Tower Crane Limit Switch Type: Limit Switch Warranty: 3 Months Delivery Time: 15 Days Color: as Photo Application Range: Passenger Hoist Trademark: SYM Transport Package: Carton Specification: 1 set Origin: China HS Code: 8131499900 Product Description MCB with on-off Indicating Device 3 Phase SwitchGeneral:We can supplyelectric circuits with rated voltage 230/400V AC, frequency 50/60Hz and rated current up to 125Amp. The product provides protection against voerload and short circuit to electric circuits and equipments in household and commercial installation. MCB is also used as non-frequent changeover of electric circuits.Construction and Feature:1.Protection against both overload and short circuit2.High short-circuit capacity3.Contact position indication4.Applicable to terminal and pin/fork type busbar connection5.Easy mounting onto 35mm DIN railTechnical data:Pole No:1,2,3,4Rated voltage:AC 230/400VRated current(A):1,2,3,4,6,10,13,16,20,25,32,40,50,63Tripping curve:B,C,DRatedshort-circuitcapacity(lcn):6KA,10KARated frequency:50/60HzEnergy limiting class:3Rated impulse withstand voltage:6.2kVElectro-mechanical endurance:≥ 6000Contact position indicationConnection terminal:Screw terminal / Pillar terminal with calmpConnection capacity:Rigid conductor up to 25mm²Fastening torque:2.0NmInstallation:On symmetrical DIN rail 35mm / Panel mountingSpecial Tips:1.MCB is for non-professional operation by those untrained, and no maintenance is required2.Satisfying conditions and applications as mentioned above,MCB with "ON-OFF" indicating device is considered suitable for isolation function.3.Particular devices such as surge protective devices,surge arrester etc are recommended to install at upstream line to MCB as precaution against potential surge voltage and current occurring at its power input side.4.Appropriate tripping curve being chosen and properly installed, MCB trips and switches off its protected circuit in case of fault, and thus provides protection against electric shock.5.B,C,D tripping curve(see graphics 1):Functions of automatic air moulded case mccb:1.Prevent the overload, short circuit and under-voltage.2.Protecting the electric motor,starting the e-motor infrequently with frame current 400A or less3.Making and breaking the circuit frequently4.Distributing the energy or electricity in the distribution network Description Technical Data5.Usage: distribution protection/ motor protectionStandard and certificateIEC 60947-2 GB 14048.2 CCC CB CE KEMA SEMKOFeatures of automatic air moulded case mccb:1.Sharp: gray & white2.Accessory: MX, OF, SF,under-voltage coil3.Support long distance release, under-voltage protection4.Installation: Fixed type, Plug-in type5.Thermal magnetic release offers instantaneous trip against short-circuit and long time delay trip against overcurrent6.For 4-pole circuit breakers: N-pole without overcurrent release,current frameinm63100225rated insulation voltage (V)AC690VAC800VAC800Vrated inpluse withstand voltage(kv)688rated operating voltageAC400VAC400VAC400Vbreaking capacityLMMLMMMHLMHMpoles334323433234ultimatebreaking255050355050508535505050servicecapacity183030263030304326303030mechanical life850085007000electric life150015001000arc-over distance(mm)505050current frameinm4006008001250rated insulation voltage (V)AC800VAC800VAC800VAC800Vrated inpluse withstand voltage(kv)8888rated operating voltageAC400VAC400VAC400VAC400Vbreaking capacityLMMHLMMLMMHMpoles334333433433ultimatebreaking50707010050707050707010085servicecapacity304040503040403040405045mechanical life400040002500electric life10001000500arc-over distance(mm)100100100SYM HOIST & TOWER CRANE QUIPMENT CO.,LTD located in Shenyang China is one of the biggest supplier and export of tower crane, luffing crane , topless crane , passenger hoist along with the spare parts for them. With 20 years' experience on tower crane rent , installation , repair and reconstruction, the company has more than 50 experienced mechanical and electrical engineer responsible for the installation guide, failure diagnosis, maintainance and reconstruction for the tower craneattheconstructionsite.Having a long-term and good cooperative relationship with China's most famous manufacturer of tower crane and passenger hoist like YONGMAO, SANYO, Sichuan SCM, Zoomlion, GJJ, BAODA,etc. The company can offer you the best quality original tower crane and passenger hoist with most competitive price.Also, we can provide customers with the best professional services, help customers make the right judgment, also the prompt shipment because of the largest number and most complete tower crane and passenger hoist spare parts inventory.Our trading partners go all over the world, mainly in South-East Asia (Singapore, Hong Kong, Malaysia, Indonesia, the Philippines, Thailand, South Korea, Vietnam ), Middle East (The United Arab Emirates, Saudi Arabia, Qatar, Bahrain, Kuwait, Iran ), India, Russia, Ukraine, Brazil, etc.