| PRODUCT INTRODUCTION |
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| To meet the need for high-voltage cutoff (400 V DC) and high-capacity control (300 A level) in fuel-cell vehicle, hybrid buses or large-scale industrial equipment (cogeneration systems for stores, etc.), we developed a high-voltage cutoff relay that employs a “capsule contact mechanism” that completely seals the contact section and makes high-capacity control possible. |
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FEATURES |
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 High-voltage, high-current control possible
400 V DC high-voltage switching cutoff has been achieved thanks to a sealed construction with mixed hydrogen gas and magnetic arc motion through use of a permanent magnet.
Compact & Low Operating Sound
By using a capsule contact mechanism that is enclosed with hydrogen gas, high-capacity cutoff is possible even with a tiny contact gap. There is little operating noise, which does not change even when large currents are cut off.
Arc space unnecessary
The enclosure box has been made smaller thanks to an arc-space-free construction in which the arc will not get out.
Safety
Since the contacts are enclosed in a sealed capsule structure, the arc will not get out, which ensures safety.
High contact reliability
The contact part is hermetically sealed with hydrogen gas, hence the contact resistance remains stable regardless of the ambient conditions.
Mounting direction is not specified
The weight of the movable parts is light, and also the restoring force is large, hence the contactor is relatively unaffected by gravity.
Coil voltage 24V DC type is also available
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 Safety construction
Sealed construction keeps the arc inside |
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Small size
The capsule contact construction is filled with hydrogen gas which provides a large cut-off capacity with a small contact gap. |
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Space saving
Free arc space |
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| APPLICATIONS |
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Electric vehicle
Hybrid electric vehicle
Fuel-cell vehicle
Cogeneration systems
Battery charge and discharge system
Construction machinery
Automatic guided vehicle (AGV) (Unmanned transport carts)
Welding equipment
Inverter control
Solar power generation systems
Elevator |
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| PRODUCT TYPES |
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Contact rating |
Coil voltage |
Contact arrangement |
Part number |
Packing quantity |
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Inner |
Outer |
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80A |
12 V DC |
1 Form A |
AEV18012 |
1 piece |
20 pieces |
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300A |
12 V DC |
1 Form A |
AEV19012 |
1 piece |
5 pieces |
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80A |
24 V DC |
1 Form A |
AEV18024 |
1 piece |
20 pieces |
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300A |
24 V DC |
1 Form A |
AEV19024 |
1 piece |
5 pieces |
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SPECIFICATIONSPlease refer to the online catalog.   |
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