Sealed welding-resistant direct-current contactor

Sealed welding-resistant direct-current contactor

The utility model discloses a sealed welding-resistant direct current contactor, which comprises an outer shell, an end cover, two static contacts, a moving contact, an electromagnetic driving system, an arc extinguishing system and a push rod assembly, the arc extinguishing system comprises an arc...

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Hauptverfasser: ZENG XIANGMING, WANG YANFEI, SEO HAN-JIN
Format: Patent
Sprache:chi ; eng
Schlagworte:
BASIC ELECTRIC ELEMENTS
ELECTRIC SWITCHES
ELECTRICITY
EMERGENCY PROTECTIVE DEVICES
RELAYS
SELECTORS
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creator ZENG XIANGMING
WANG YANFEI
SEO HAN-JIN
description The utility model discloses a sealed welding-resistant direct current contactor, which comprises an outer shell, an end cover, two static contacts, a moving contact, an electromagnetic driving system, an arc extinguishing system and a push rod assembly, the arc extinguishing system comprises an arc extinguishing cavity, and a moving contact is located in the arc extinguishing cavity and installed at the upper end of the push rod assembly. The two static contacts are installed on the top of the arc extinguishing cavity side by side, each static contact is provided with an installation part located on the upper portion and a contact part located on the lower portion, the two contact parts extend downwards into the arc extinguishing cavity, and silver alloy contacts are welded to the bottom ends of the contact parts; the mounting part penetrates through the end cover and extends upwards, and the cross sectional area of the mounting part is larger than that of the contact part; the top end of each static contact
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subjects BASIC ELECTRIC ELEMENTS
ELECTRIC SWITCHES
ELECTRICITY
EMERGENCY PROTECTIVE DEVICES
RELAYS
SELECTORS
title Sealed welding-resistant direct-current contactor
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