QJZ-400/1140S Mining Explosion Proof and Intrinsically Safe Double Protection Vacuum Magnetic Starter
Product Details:
| Place of Origin | Jiangsu, China |
|---|
Payment & Shipping Terms:
| Payment Terms: | L/C,T/T |
|---|
Detailed Product Description
Product performance
QJZ-400/1140S Mining Explosion Proof and Intrinsically Safe Double Protection Vacuum Magnetic Starter is applied to the coal mine which contain methane and coal dust, at AC 50HZ, the voltage of 1140V or 660V power supply circuit, can locally or at long bowls control three-phase alternating-current motor, and can commutate when stops. has the protection function such as over loading, short circuit, phase failure, creepage atresia etc.
Product characteristics
Using two sets of ABD8 integrated protectors. Under normal circumstances, the two sets all participate in protection. When one of the two sets breaks down, take out the fault protector, and another set can still enforce protection on the main circuit separately .
Product specifications and technical parameters
Model | QJZ-400/1140S | |
Rated current (A) | 300 | |
Rated voltage (V) | 1140/660 | |
When ηcosφ=0.75, the power range of control motorKW | 1140V | 15590 |
660V | 9340 | |
Electric life AC4 | 60,000 times | |
Cable entrymm | Power circuit: | φ32φ71 |
Control circuit: | φ14.5φ21 | |
External dimensionsmm | 1000×585×840 | |
QJZ-400/1140S Mining Explosion Proof and Intrinsically Safe Double Protection Vacuum Magnetic Starter
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Company Info
Xuzhou Huadong Machinery Plant
[China]
[Verified Member]
City: Xuzhou
Province/State: Jiangsu
Country/Region : China
Business Type:Manufacturer
Online Postings: Products