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KBZ9 Mine Explosion-Proof Vacuum Feeding Switch

1.Afford protection in case of overload,short circuit,overload.2.Three phase imbalance,leakage lockout etc. 3.SO9001, MA, EX certificate

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Product Introduction of KBZ9 Mine Explosion-Proof Vacuum Feeding Switch

KBZ9 series mine explosion proof feed switch (hereinafter referred to as feed switch) is suitable for underground coal mine contains explosive gas (methane) mixture, as main switch or branch switch in the power supply system, with the frequency of 50Hz, voltage of 1140V/660V and current of 200A to 400A. And also can be used as the large capacity motor for starting without frequently controlling. Meanwhile the signals from wind and electricity interlock control will be introduced.

Implement standards of feed switch: Q/ZD06-2006 Mine Explosion Proof Vacuum Feed Switch , MT 871-2000 Mine Explosion Proof  and Low-voltage AC Vacuum Feed Switch.

Main Parameter of KBZ9 Mine Explosion-Proof Vacuum Feeding Switch

1. Rated working voltage: 1140 (660)V,660(380)V

2. Rated working current: 200,400A

3. Rated working system: long-term

4. Max breaking capacity: 1140V,7.5kA

5. Operation mode: Manual closing or opening

6. The acting time of leakage resistance pass through 1KΩ; as a branch switch≤30ms;as a main switch≤100ms(no delayed),200~400ms(delayed)

Figure Photos of KBZ9 Mine Explosion-Proof Vacuum Feeding Switch

KBZ9 mine explosion-proof vacuum feeding switch



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  • Contacts:L***a E-mail:L***a @l***n.vn
    prices and more pics. Looking forward to your quick reply
    Dear Customer, We just got your message. Our sales will contact you asap.
  • Contacts:M***z E-mail:M***z @m***l.mx
    Interested in negotiating with your company about cooperation!
    We clarify as soon as possible your request and will contact you shortly. China Coal Group
  • Contacts:C***h E-mail:C***h @mail.com
    Quality of KBZ9 Mine Explosion-Proof Vacuum Feeding Switch is very well, and sales are very patient.
    Thank you for supporting China Coal! And hoping to be your long-term partner!
  • Contacts:L***a E-mail:L***a @l***n.vn
    prices and more pics. Looking forward to your quick reply
    Dear Customer, We just got your message. Our sales will contact you asap.
  • Contacts:M***z E-mail:M***z @m***l.mx
    Interested in negotiating with your company about cooperation!
    We clarify as soon as possible your request and will contact you shortly. China Coal Group
  • Contacts:C***h E-mail:C***h @mail.com
    Quality of KBZ9 Mine Explosion-Proof Vacuum Feeding Switch is very well, and sales are very patient.
    Thank you for supporting China Coal! And hoping to be your long-term partner!
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