Gold Member Since 2006
Audited Supplier
CNC Electric Group Co., Ltd.

Dry Type Explosion Proof Transformer, Explosion-Proof Transformer, Mining Explosion-Proof Transformer manufacturer / supplier in China, offering Mine Explosion-Proof Transformer (ZBZ4.0), Drop out Fuse (PRW1-24), Double-Winding Non-Excitation Tap-Changing Oil Immersed Distribution Transformer of 6~10V and so on.

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Mine Explosion-Proof Transformer (ZBZ4.0)

FOB Price: Get Latest Price
Min. Order: 1 Piece
Production Capacity: 1000PCS/Week
Transport Package: Export Packing
Payment Terms: L/C, T/T, D/P, Paypal, O/A

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Basic Info
  • Model NO.: ZBZ 4.0
  • Phase: Single
  • Cooling Method: Dry-type Transformer
  • Rated Voltage (V): 1140V, 660V
  • Outline Dimension (Mm): 2300X595X800
  • Max Power (Kw): 590/340,450/270,290/170
  • Specification: CE, ISO, CCC
  • Application: Power, Electronic, Instrument, Lighting, Rectifier, Audio
  • Core: Amorphous Alloy Transformer
  • Winding Type: Separated Winding Transformer
  • Rated Current (a): 1.2-15.9
  • Weight (Kg): 1400
  • Trademark: CNC
  • Origin: Wenzhou, Zhejiang
Product Description
About CNC

1. China Top 500 Enterprise.
2.26 years rich experience in manufacturing electrical products.
3. Sales in over 100 countries.
4. Pass ISO9001, ISO14001 CCC CE CB IEC ICO certificate and standar.

Product Description

1. Function

This mine explosion-proof type integrated protective device is applicable in underground
Coal mines with explosive and dangerous gas(methane)and coal dust, and it is used for
Remote control of 127V hand-held electric coal drill.

2. Characteristics

2.1 With protective functions of short circuit, leakage lockout, leakage action etc.

2.2 This device adopts leader loop, which can start, operate or stop electric coal drill in
Remote distance, and the cable is not electrified when the drill doesn't work, so it is safe
And reliable.


1. We Are Suppler of Three Gorges Project, China National Petroleum, Sinopec Group;

2. China Famous Export Enterprise, Our Products Sale in Over 100 Countries;

3. Our Laboratory is China Key Industrial Electrical Laboratory;

4. We have completely sales service system, ensure every detail is going smooth.

5. We have new designed products each year by our R&D Dpartment.

6. Perfect testing system ensure each product is qualified.

7. Want know more of us? Waiting for your inquiry.
 Model   Connection mode   Rated voltage (V)   Rated current (A)   Leakage action value (kΩ)   Leakage lockout value (kΩ)   Leakage action time (s)
  ZBZ-2.5/1140 (660,380)Z  Y/Δ  1140/133  1.27/10.92  2  4  0.25
  ZBZ-2.5/1140 (660,380)Z  Y/Δ  660/133  2.2/10.9  2  4  0.25
  ZBZ-2.5/1140 (660,380)Z  Δ/Δ  380/133  3.6/10.9  2  4  0.25
  ZBZ-4.0/1140 (660,380)Z  Y/Δ  1140/133  2.03/17.4  2  4  0.25
  ZBZ-4.0/1140 (660,380)Z  Y/Δ  660/133  3.5/17.4  2  4  0.25
  ZBZ-4.0/1140 (660,380)Z  Δ/Δ  380/133  5.8/17.4  2  4  0.25

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