QJZ-250/1140N Mining Explosion-proof and Intrinsic-safety Intelligent Reversible Vacuum Magnetic Starter
Product Details:
| Place of Origin | Jiangsu, China |
|---|---|
| Model Number | QJZ-250/1140N |
Payment & Shipping Terms:
| Payment Terms: | L/C,T/T |
|---|
Detailed Product Description
Properties of product
This product is applied to the coal mine which contains explosive gas (methane) and coal dust, but the surrounding medium must not contain the activity chemical substances which can damage metal and insulation. The starter has creepage atresia, over loading, short circuit, three-phase imbalance (including phase failure), undervoltage etc. protection, and can real-time show loop current, voltage and fault information.
Product specifications and technical parameters
Model | QJZ-250/1140N | |
Rated current (A) | 250 | |
Rated voltage (V) | 1140/660 | |
When ηcosφ=0.75, the power range of control motorKW | 1140V | 15-370 |
660V | 9-214 | |
Electric life AC4 | 60,000 times | |
Cable entrymm | Power circuit: | φ32-φ71 |
Control circuit: | φ14.5-φ21 | |
External dimensionsmm | 1000×585×840 | |
QJZ-250/1140N Mining Explosion-proof and Intrinsic-safety Intelligent Reversible 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