QBZ series mining flameproof vacuum electromagnetic starter

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QBZ series mining flameproof vacuum electromagnetic starter Starter used three pole vacuum contactor, main contact seal in the vacuum switch tube, no maintenance, arc not exposed, suitable for frequent operation, less wear of main contact, electrical life is long, safe and reliable characteristics. Starter used in the left off, reliable commutation action, improved the arcing cover,good arcing effect. A) environment temperature is 5 ℃ ~ + 40 ℃; B) relative humidity is not more than 95% (+ 25 ℃); C) altitude does not exceed 2000 m (0.08 ~ 0.11 MPa); D) coal mine methane and coal dust mixed gas; E) no damage and insulating materials of metal corrosive gas; F) with the installation of vertical gradient not more than 15; G) where no significant shake and shock vibration; H) prevent the water; I) environmental pollution level: level 3; J) installation category: Ⅲ classes; Model Rated operational voltageV rated operational current A   When η·φ=0.75 maximum power control motor KW   Control circuit voltage V Contactor ultimate breaking capacityA   Isolate reversing switch breaking capacityA 380V 660V 1140V QBZ-30 380 660 1140 30 15 25 45 36 2000 2000 QBZ-60 60 30 50 90 (3 time) (3 time) QBZ-80 80 40 68 118 2500 2500  QBZ-120 120 59 103 178 (3 time) (3 time)  QBZ-200 200 99 172 296 4500 600 pros and cons  QBZ-400 400 200 315 630 (3 time) 3 time Madery Jining Hengwang Mining Machinery Co.,Ltd. E-mail: maderyhengwang AT hotmail.com Skype: maderyhengwang Mob: +86-13668679003

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Jining Hengwang Mining Machinery Co., Ltd.

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