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High voltage DC relay SEL300B series

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Product overview
Product advantages
Detailed parameters
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Product overview

●300 amps continuous carry

●Short circit current capacity: 8,000A

●Max breaking load: 2,500A/800VDC

●Hermetically sealed with hydrogen gas,the arc is

not exposed. Be able to use in explosive & harsh

environments without oxidation or contamination

of contacts

●There is no polarity requirement for load wiring

and coil drive

Focus

Product advantages

●300 amps continuous carry

●Short circit current capacity: 8,000A

●Max breaking load: 2,500A/800VDC

●Hermetically sealed with hydrogen gas,the arc is

not exposed. Be able to use in explosive & harsh

environments without oxidation or contamination

of contacts

●There is no polarity requirement for load wiring

and coil drive

Detailed parameters

Contact form	1 NO
Contact resistance	≤0.5mΩ（@6V 20A）
Max switching volt	1,000VDC
Max breaking current	2,500A，(800VDC，more than 1 cycle)
Insulation resistance	1,000MΩ(1,000VDC)
Dielectric strength	Contact-Contact：4,000VAC 1min 1mA
	Coil-Contact：4,000VAC 1min 1mA
Shock resistance	Functional	Energized：588m/s2（60G）Deenergized：98m/s2（10G）
	Destructive	588m/s2（60G）
Vibration	10Hz~500Hz 49m/s2（5G）
Mechanical endurance	2×100,000 cycles
Relative moisture	5%~95% RH
Ambient temperature	-40℃~+85℃（No condensation）
Weight	325g
Length×Width×Height（mm）	81×39×70.5

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