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40-120W 85 - 900VAC Input Voltage Power Supply PVAxx-27Bxx Series for Coal Mines Applications

Mornsun released a new high voltage input dc dc converter PVAxx-27Bxx series which is specialized for the electrical equipment in coal mining. The new series PVAxx-27Bxx covers output powers of 40W, 70W, 120W now.


PVAxx-27Bxx Series


High voltage input dc dc converter PVAxx-27Bxx series has an ultra-wide and ultra-high input voltage range of 85-900 VAC, which meets the requirements of voltage fluctuations such as 127/220/380/660VAC in coal mining. The dimensions of the high voltage input dc dc converter PVA40-27Bxx series(138*82*32mm) and PVA70-27Bxx series (155*95*41mm) are smaller than the traditional solution of industrial frequency transformer with AC/DC power supplies. Besides, they only have one input port and don't need to change the wire, which can completely avoid the risk of a wrong connection and save the cost of customers’application.

In addition, the PVAxx-27Bxx series has an isolation voltage of 4000VAC and an industrial operating temperature range of -40℃ to +70℃, and its EMS EFT/Surge is ±4KV. Protections of output short circuit, over-current, and over-voltage are included.


Applications of High Input Voltage Power Supply PVAxx-27Bxx Series


Widely used in applications of the coal mining control system and security industry.


Applications of High Input Voltage Power Supply PVAxx-27Bxx Series


Features of High Input Voltage Power Supply PVAxx-27Bxx Series

Specially designed for electrical equipment in coal mining
Ultra-wide 85 - 900VAC input voltage range
Industrial grade operating temperature: -25℃ to +70℃
High I/O isolation test voltage of 4000VAC
EMS EFT/Surge: ±4KV
High reliability, high efficiency, long lifespan 
Output short circuit, over-current, and over-voltage protection

High Input Voltage Power Supply PVAxx-27Bxx Series



Please refer to the technical manual for specific product parameters:

Series Power(W) Vin(VAC) Vout(VDC) Iout Operating Temperature No. of Outputs Isolation Package Dimension(mm) Footprint & 3D Certification Datasheet Sample Buy
PVA120-27B24 120 85-900 24 5A -25℃ to 70℃ 1 4000VAC Open frame 170.00*107.00*52.00mm
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PVA120-27B28 120.4 85-900 28 4.3A -25℃ to 70℃ 1 4000VAC Open frame 170.00*107.00*52.00mm
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PVA120-27B35 122.5 85-900 35 3.5A -25℃ to 70℃ 1 4000VAC Open frame 170.00*107.00*52.00mm
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PVA40-27B18 40 85-900 18 2222mA -25℃ to 70℃ 1 4000VAC Open frame 138.00*82.00*32.00mm
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PVA40-27B24 40 85-900 24 1667mA -25℃ to 70℃ 1 4000VAC Open frame 138.00*82.00*32.00mm
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PVA40-27B30 40 85-900 30 1333mA -25℃ to 70℃ 1 4000VAC Open frame 138.00*82.00*32.00mm
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PVA70-27B24 70 85-900 24 2917mA -25℃ to 70℃ 1 4000VAC Open frame 155.00*95.00*41.00mm
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PVA70-27B28 70 85-900 28 2500mA -25℃ to 70℃ 1 4000VAC Open frame 155.00*95.00*41.00mm
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PVA70-27B35 70 85-900 35 2000mA -25℃ to 70℃ 1 4000VAC Open frame 155.00*95.00*41.00mm
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