KBZ feed switch KBZ feed switch, KBZ feed switch prices, KBZ feed switch manufacturers KBZ series flameproof vacuum feed switch Overview: KBZ series flameproof vacuum feed switch (hereinafter referred to as the feed switch ) is mainly used in coal mine, in AC 50Hz, rated voltage up to 1140V, rated current up to 630A power supply network in Qufu Huaqiang Mining Equipment Corporation as a distribution switch, bypass switch can also be used as a large capacity motor infrequent start with, Qufu Huaqiang Mining Equipment Company and the motor from overload, short circuit, undervoltage fault for protection. Feed Switch using intelligent integrated protection. Feed switch designed and manufactured in accordance with MT871-2000 GB3836-2000 standards and Q / TH008-2007 corporate standards. Zmjt11 two, KBZ series flameproof vacuum feed switch technical parameters: 1, type of protection: flameproof; proof mark: ExdI. 2, meaning three models, KBZ series flameproof vacuum feed switch work environment: a, an altitude of no more than 2000mm, ambient atmospheric pressure 80 ~ 110kPa; b, ambient operating temperature of -5 ~ + 40 ℃; c, air Relative humidity less than 95% (equivalent to + 25 ℃ when); d, there is danger in an explosive mixture of methane and coal dust explosion in the mine; e, the presence or absence of a significant shake and shock vibration place; f, and the vertical installation inclination of not more than 15 °; g, without damage to the insulation of gas and vapor environment h, in a place without dripping; i, installation level: Ⅲ; j, Pollution degree: 3. The product has been exported to many countries, the United States, France, Canada, Indonesia, Russia, Vietnam, Australia, South Korea, Iran, was unanimously praised by customers. Due to production batches, depending on the model, the above picture is only for reference, the details can contact our sales staff to carry out specific verification. National unity free Sales Tel: 400-086-0537