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BK Precision 1901B Switching DC Power Supply 1-32V 30A 960W USBSKU: AI2589 Item Specifications

• In Stock: 1
• Brand: BK Precision
• Color: Black
• Condition: New
• Notes: New item in original sealed manufacturer packaging. Unopened and unused. We warranty all items for 30 days.
• Model: 1901B
• Type: DC Power Supply
• Shelf: K-39
• Part Number: 1901B
• Manufacturer: BK Precision
• Full Load Amps:: 5 A
• MPN: 1901B
• Media 1 Description: BK Precision 1901B DC Power Supply - Photo 1
• Media 2 Description: BK Precision 1901B DC Power Supply Image 2
• Media 3 Description: BK Precision 1901B DC Power Supply View 3
• Media 4 Description: BK Precision 1901B DC Power Supply - Photo 4
• Number of Outlets: 1
• Country of Origin: China

Product Description

The BK Precision 1901B is a laboratory-grade switching mode DC power supply featuring a variable output of 1–32 VDC at up to 30 A continuous, with a maximum output power of 960 W. It offers automatic CV/CC (Constant Voltage/Constant Current) crossover operation, dual-action coarse/fine rotary encoder controls, a front-panel 5 A auxiliary output, and both USB and analog remote control interfaces. Connectors include binding posts for the main and auxiliary outputs, a USB Type-B port, and a DB9 remote control terminal. Protections include overvoltage, overtemperature, overload, and short-circuit (constant current) safeguards, making it suitable for demanding bench and laboratory applications.

Technical SpecificationsSpecificationValueBrandBK PrecisionModel / Part Number1901BSeries1900BProduct TypeSwitching DC Power Supply (Bench Top)AC Input Voltage100–120 VAC, 60 Hz (110VAC version)Full Load Input Current9.0 A (110 VAC) / 4.5 A (230 VAC)Variable Output Voltage1 – 32 VDCVariable Output Current0 – 30 AAuxiliary Output Current5 A (front panel)Maximum Output Power960 WNumber of Outputs1Voltage Regulation (Line)≤ 20 mVVoltage Regulation (Load, 0–100%)≤ 50 mVCurrent Regulation (Line)≤ 50 mACurrent Regulation (Load)≤ 150 mARipple & Noise Voltage (rms)≤ 5 mV rmsSwitching Frequency75 – 95 kHzEfficiency87% (120 VAC)Power Factor Correction> 0.95 at optimal loadDisplay Type3-Digit LED (Voltage & Current)Meter Accuracy±0.2% + 3 countsControl InterfaceUSB, Analog Remote ControlControl ModesFront Panel, Analog Remote, USB Remote, Preset RecallUser Presets3 User-Defined Voltage & Current PresetsControl KnobDual-Action Coarse/Fine Rotary EncoderCV/CC OperationAutomatic CV/CC CrossoverProtectionsOvervoltage, Overtemperature, Overload, Short Circuit (CC mode)Cooling MethodThermostatically controlled fan (zero to full speed)Operating Temperature0°C to 40°C (32°F to 104°F), ≤ 80% RHDimensions (W × H × D)7.9" × 3.5" × 10.8" (200 × 90 × 275 mm)Weight7 lbs (3.2 kg)Included AccessoriesPower Cord, Instruction Manual, Remote Control Connector

We warranty all items for 30 days from date of purchase.

Store PoliciesDomestic Shipping

All items under 145 lbs ship via USPS Priority Mail, UPS Ground, or UPS Next Day Air. We take pride in proper packaging to ensure your items arrive quickly and safely.

• Orders placed before 12:00 PM EST typically ship same day
• Next Day Air orders must be placed by 3:00 PM EST
• Can ship using your UPS account number upon request
• Tracking numbers sent to your account

Freight Shipping

Items over 145 lbs require freight shipping. We ship LTL and full trailer loads with quotes available prior to purchase.

• Provide: Zip code, commercial/residential location, liftgate needs
• Shipping quotes provided within 24 hours

International Shipping

Available for all items. We assist with customs forms and provide overseas delivery quotes.

Payment

We accept PayPal and all major credit cards through checkout. Payment is due within 3 days of purchase.

Returns

We offer a 30-day return policy. Items must be returned in original condition. Buyer pays return shipping unless item was misrepresented. Refunds processed within 3 business days of receiving returned item.

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