SEP350 SANYOU | Alldatasheet

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Technical content

Relays for advanced technology SEV100系列 12~24 ≥1.0 3.4 Item Contact arrangement Current rating Insulation resistance Vibration resistance External dimension Functional Destructive Operate time (at rated coil voltage) 300A 1000MΩ(500VDC) ≤0.6mΩ（@300A） 4000VAC 1min 10mA 4000VAC 1min 10mA 12VDC 1A 900VDC ≤50ms ≤50ms 196m/s （20G） 490m/s （50G） 10Hz~500Hz 49m/s （5G） 500VDC,300A 3000cycles 3000A（500VDC，1 cycle） 5× cycles5 Contact Data （3） Coil Data 500V type 750V type 265KW Dielectric strength Shock resistance -40℃~85℃ 5%~95% RH 77.8mm×66.5mm×73.3mm 300A：continuity 450A：1h 600A：20min 1200A：30s 2400A：10s NOTES： （1）Ambient temperature:23℃，L/R≤1ms. （2）Ambient temperature:23℃，100mm conductor. （3）Other types of rated voltage,please contact us. Operating power （inrush，W） Capacitive load SANYOURELAYS High Voltage DC Relay SEP350 Version：V1.1 Feature

  • 300 amps continuous carry,3000 amps interrupte under extreme condition.
  • able to use in explosive & harsh environments without Be oxidation contamination contacts.Contacts' part meet or of IP67 protection degree.The arc is not exposed.
  • With energy-saving coil circuit ,the nominal power is only 2.0W,broad coil voltage:12～24VDC.
  • able toBe mount in any position for ease of installation.
  • compliant.RoHS Contact resistance Min.Switching load Power Contact:1 Form A Information Max. Switching voltage Max. Breaking current Max. Switching power 750VDC,300A 1000cycles 2 5 10. × cycles 22.5VDC, 1msτ= inrush A400 steady 300A 2 5 10. × cycles 37.5VDC, 1msτ= inrush A400 steady 300A Resistive loadElectrical (1) life Load current (2) capacity Parameters Table Item Information Mechanical life Between open contacts Between contact and coil Release time (at rated coil voltage) Ambient temperature Ambient humidity Weight Approx.445g Rated voltage（VDC） Operation voltage（VDC） Max. voltage（VDC） Pick-up voltage（VDC） Drop-out voltage（VDC） Coil resistance(±10%)(Ω) Operating power （stable，W） 500VDC,350A 1500 cycles 750VDC,350A 500cycles Auxiliary Contact:1 Form A 1A 30VDC/1A 125VAC Auxiliary road 2.6 3000A：0.6s

Less than 10mm: ±0.3 10 to 50mm: ±0.5 More than 50mm: ±0.8

Ordering Information

Load current 350:350A Contact arrangement M：1 Form A Coil voltage L：12~24VDC Voltage rating 750：12~750VDC 500：12~500VDC Auxiliary contact arrangement F：1 Form A Coil connection type Nil：outgoing line C：outgoing line+connector Load connection type 1：connect plate+external thread 3：external thread Packing quantity:1pcs Inner carton, 10pcs Outer carton Customer special code Nil：No customer special requirement Numbers or Letters：Customer special requirement

Coil Connection Type C:Outgoing Line+Connector Connectors：Tian Hai :0435305 or Yazaki：7283-1020 Connectors：Tian Hai :0464705 or Yazaki：7282-1020(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. Installation Size Chart Schematic Diagram NOTE:The contacts are polarized 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. Red wire:+ Black wire:- Load side Coil side