SEV300-750ML1 [SANYOU]
High Voltage DC Relay;
| 型号： | SEV300-750ML1 |
| 厂家： | 
Sanyou Relays |
| 描述： | High Voltage DC Relay |
| 文件： | 总5页 (文件大小：609K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
Version：V1.3
SEV300
High Voltage DC Relay
Feature
SANYOURELAYS
Relays for advanced technology
●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 or contamination of contacts.Contacts' part meet
IP67 protection degree.
●With energy-saving coil circuit ,the nominal power is only
2.0W,broad coil voltage:12～24VDC.
●RoHS compliant.
Contact Data
Parameters Table
Information
Item
Information
Item
5×105 cycles
Mechanical life
1 Form A contact
300A
Contact arrangement
Insulation resistance
Between
1000MΩ(500VDC)
3000VAC 1min 10mA
4000VAC 1min 10mA
≤50ms
Current rating
Contact resistance
Min.Switching load
Outgoing Mode
open contacts
Dielectric
≤0.5mΩ(@6V 20A)
1A 12VDC
strength
Between
contact and coil
Operate time
(at rated coil voltage)
M8 External Thread
Release time
(at rated coil voltage)
≤30ms
500V type
750V type
196m/s2（20G）
490m/s2（50G）
Functional
Shock
resistance
Max. Switching voltage
Max. Connecting current
Max. Breaking current
Max. Switching power
750VDC
900VDC
Destructive
Vibration resistance
Ambient temperature
Ambient humidity
Weight
2400A
（500VDC,1 cycle）
2400A
（750VDC,1 cycle）
10Hz~500Hz 49m/s2（5G）
-40℃~85℃
2000A
（750VDC,1 cycle）
3000A
（500VDC,1 cycle）
150KW
225KW
5%~95% RH
730g
25,000cycles
（22.5VDC,τ=1ms
inrush400A，steady300A）
15,000次
Capacitive
load
（37.5VDC,τ=1ms
inrush400A，steady300A）
10,000cycles
（500VDC 80A）
10,000cycles
（750VDC 80A）
Resistive
Electrical
External dimension
life(1)
load
113.5×65×75.5
1,000cycles
（750VDC 300A）
3,000cycles
（500VDC 300A）
Resistive
load
500cycles
1,500cycles
（500VDC -300A）
（750VDC -300A）
Coil Data（3）
300A：continuity
450A：60min.
600A：20min.
1200A：30s
Model
SEV300-XMLXXX
Load current
capacity(2)
Rated voltage（VDC）
12～24
Max. voltage（VDC）
24
≤9
≥1
3.4
Pick-up voltage（VDC）
3000A：0.6s
Drop-out voltage（VDC）
Coil resistance(±10%)(Ω)
NOTES：
（1）Ambient temperature:23℃，L/R≤1ms.
（2）Ambient temperature:23℃，100mm2
conductor.
（3）Other types of rated voltage,please
contact us.
Operating power
（inrush，W）
Operating power
（stable，W）
42
2.0
1/5
SEV300
Reference Data
Load capactity
Ordering Information
Nomenclature
SEV 300 - □ M □ □
□
□
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
2/5
SEV300
Outline Dimensions Of The Normal Products
Size
tolerance
Less than 10mm:
10 to 50mm:
More than 50mm:
±0.3
±0.5
±0.8
Outline Dimensions Of The Load Connection Type Is Internal Thread
Size
tolerance
Less than 10mm:
10 to 50mm:
More than 50mm:
±0.3
±0.5
±0.8
3/5
SEV300
Schematic Diagram
Installation Size Chart
Coil Connection Type
Connectors：Tian Hai :0435305 or Yazaki：7283-1020(included in the box）
4/5
SEV300
NOTES
●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 outline dimensions. Exceeding
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
20A
40A
60A
100A
150A
200A
250A
300A
Min. 2mm2 nominal cross-sectional area
Min. 3mm2 nominal cross-sectional area
Min. 10mm2 nominal cross-sectional area
Min. 15mm2 nominal cross-sectional area
Min. 35mm2 nominal cross-sectional area
Min. 45mm2 nominal cross-sectional area
Min. 60mm2 nominal cross-sectional area
Min. 80mm2 nominal cross-sectional area
Min. 100mm2 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.
5/5
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