SEV300 SANYOU | Alldatasheet

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Technical content

Version：V1.3 10Hz~500Hz 49m/s （5G） 3000VAC 1min 10mA 4000VAC 1min 10mA 1000MΩ(500VDC) 196m/s （20G） 490m/s （50G） 113.5×65×75.5 -40℃~85℃ 5%~95% RH 5× cycles5 ≤50ms ≤30ms 730g SEV300-XMLXXX 12～24 3.4 2.0 150KW 300A ≤0.5mΩ(@6V 20A) 1A 12VDC 750VDC 25,000cycles 15,000次 10,000cycles 3,000cycles 1,500cycles 10,000cycles 1,000cycles 500cycles 3000A （500VDC,1 cycle） 2000A （750VDC,1 cycle） 900VDC （22.5VDC,τ=1ms inrush400A，steady300A） （500VDC 80A） （500VDC 300A） （500VDC -300A） （750VDC 80A） （750VDC 300A） （37.5VDC,τ=1ms inrush400A，steady300A） （750VDC -300A） 2400A （500VDC,1 cycle） 2400A （750VDC,1 cycle） 300A：continuity 450A：60min. 600A：20min. 1200A：30s 3000A：0.6s 225KW Relays for advanced technology SANYOURELAYS High Voltage DC Relay Feature

  • 200 amps continuous carry,2000 amps interrupte under extreme condition.
  • Hermetically sealed with hydrogen gas,the arc is not exposed. Be able to use in explosive & harsh environments without oxidation contamination contacts.Contacts' part meet or of IP67 protection degree.
  • With energy-saving coil circuit ,the nominal power is only 2.0W,broad coil voltage:12～24VDC.
  • compliant.RoHS Contact Data Parameters Table Item Information Contact arrangement 1 Form A contact Current rating Contact resistance Min.Switching load Outgoing Mode M8 External Thread 500V type 750V type Max. Switching voltage Max. Connecting current Max. Breaking current Max. Switching power Electrical (1) life Capacitive load Resistive load Resistive load Load current (2) capacity NOTES： （1）Ambient temperature:23℃，L/R≤1ms. （2）Ambient temperature:23℃，100mm conductor. （3）Other types of rated voltage,please contact us. （3） Coil Data Model Rated voltage（VDC） Max. voltage（VDC） Pick-up voltage（VDC） Drop-out voltage（VDC） Coil resistance(±10%)(Ω) Operating power （inrush，W） Operating power （stable，W） Item Information Mechanical life Insulation resistance Dielectric strength Between open contacts Between contact and coil Operate time (at rated coil voltage) Release time (at rated coil voltage) Shock resistance Functional Destructive Vibration resistance Ambient temperature Ambient humidity Weight External dimension

Ordering Information

Customer features label: Nil: No Customer special requirements Numbers or Letters: Customer special requirements Load connection type: 1: connection piece+external thread 2: internal thread Coil connection type: Nil: outgoing line+connector Coil Voltage (VDC)： L: 12~24VDC Contact arrangement M：1 Form A Voltage rating 750：12~750VDC 500：12~500VDC Load current 300：300A Type designation SEV Packing quantity:1pcs inner carton, 10pcs outer carton

Outline Dimensions Of The Normal Products Size tolerance Less than 10mm: ±0.3 10 to 50mm: ±0.5 More than 50mm: ±0.8 Outline Dimensions Of The Is Load Connection Type Internal Thread Size tolerance Less than 10mm: ±0.3 10 to 50mm: ±0.5 More than 50mm: ±0.8

Installation Size Chart Schematic Diagram Coil Connection Type Connectors：Tian Hai :0435305 or Yazaki：7283-1020(included in the box）

  • Mounting Attention 1.When installing the relay, always use washers to prevent the screws from loosening. 2.Tighten each screw within the rated range given in the . Exceeding outline dimensions the maximum torque may result in breakage. 3.Avoid mounting the relay in strong magnetic fields (near a transformer or magnet) or close to an object that radiates heat.
  • Electrical Life Attention 1.This relay is a DC high-voltage switch. In its final breakdown mode, it may lose the ability to provide the proper cut-off.Therefore, do not exceed the indicated switching capacity and life. 2.Please treat the relay as a product with limited life and replace it when necessary. 3.The contacts of the relay are polarized. Please follow instructions in the connection schematic when connecting the contacts. 4.Be careful that foreign matter and oils and fats kind, don’t stick to the main terminal parts because it is likely to cause terminal parts to give off unusual heat. Also, please use the following specifications of conductor. 10A Min. 2mm nominal cross-sectional area 20A Min. 3mm nominal cross-sectional area 40A Min. 10mm nominal cross-sectional area 60A Min. 15mm nominal cross-sectional area 100A Min. 35mm nominal cross-sectional area 150A Min. 45mm nominal cross-sectional area 200A Min. 60mm nominal cross-sectional area 250A Min. 80mm nominal cross-sectional area 300A Min. 100mm nominal cross-sectional area
  • Coil Attention 1.Please note that when using a diode, the switching speed may decrease and cause a reduction in cut-off performance, we recommend installing a surge protector varistor. 2.The pick-up voltage and drop-out voltage will change with ambient temperature, please use rated voltage to make sure the relay operate reliable. Don’t exceed maximum coil voltage. 3.The 250A and 300A types have built-in dedicated drive circuit, please drive the coil with a quick startup (Built-in one-shot pulse generator circuit). 4.After the ON signal enters the 250A and 300A types, automatic coil current switching occurs after approximately 0.1 seconds.Do not repeatedly turn it OFF within that 0.1 seconds interval, as doing so may damage the relay. Disclaimer： This datasheet is the customers’reference. All the specification are subject to change without notice. We could not evaluate all the performance and parameters for every possible application. Thus the users should be in a right position to choose the suitable product for their own application. If there is any query, please contact Sanyou for technical service. However it is the users' responsibility to determine which product should be used only. SANYOU CORPORATION LIMITED. All rights reserved by Sanyou.