Special Transformer (Mining)

Name: "Special Transformer (Mining)"
Rating: 5 (205 reviews)

SKU: 2947829875

модель: KBSG / KBSGZY Series

Apex Power Systems （Nanjing）Co., Ltd.

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Product Specification

Type	Mining Explosion-Proof Dry-Type Transformer (Mobile Substation)	Model	KBSG / KBSGZY Series
Params	Rated capacity: 50–6,300 kVA HV: 6 / 10 kV LV: 0.4 / 0.69 / 1.2 / 3.3 / 3.45 kV Frequency: 50 Hz Insulation class: H (180°C) Cooling: AN natural air cooling Explosion-protection marking: Exd I (for underground coal mines) Enclosure protection: IP54 or higher Application environment: mines with methane and coal-dust explosion hazards	Material	Core: high-permeability silicon steel with H-class insulation system Windings: copper conductors with NOMEX paper insulation and H-class varnish Enclosure: welded steel flameproof enclosure with wall thickness designed for explosion protection Flameproof joints: precision-machined joints compliant with GB 3836 HV terminal chamber: flameproof terminal box with cable-entry device LV: integrated flameproof feeder switch for mobile-substation configuration Cooling: natural air cooling with finned heat-dissipation structure Surface: mining blue or gray anti-corrosion paint
Applicable Industry	Underground coal-mine power supply, including longwall faces and tunneling headings Underground metal mines Tunnel and underground construction Explosion-proof areas in chemical plants Hazardous locations with explosive gases or dust

Feature

1. Explosion-proof certificate and China MA safety mark for legal underground-mine access 2. Flameproof enclosure withstands internal explosion pressure and prevents flame propagation 3. H-class insulation system with high-temperature resistance and strong overload capability 4. Mobile-substation configuration integrates HV switchgear, transformer and LV feeder for towing and relocation 5. Suitable for high humidity, heavy dust, strong vibration and slopes up to 15° underground 6. Full capacity range from 50 to 6,300 kVA, covering lighting through longwall faces 7. Tested by the National Quality Supervision and Inspection Center for Explosion-proof Electrical Products 8. Supports both 6 kV and 10 kV systems for different mine grids

Mining Explosion-Proof Dry-Type Transformer (Mobile Substation)