SB3D-040-1B

• Compact size and lightweight.

• High reliability and low price.

• Wide input voltage range.

• High conversion efficiency and low operating temperature rise.

• Built-in filter circuit, minimizing external radiated interference.

• Basic protection circuitry, providing good environmental adaptability.

• 4-hour, 100% full load aging and full range of functional tests.

Features
Model
Parameters

                                                       SB3D-040-1BA

Rated Output Voltage

DC +24.0V

Output Interface Location

The output is 18# AWG1C+1, 5.5*2.1 tone connector, positive inside, negative outside, cable length 1.5 m.

Output Voltage Range

Setting error: ±2%

Rated Output Current

Rated current: 1.8A; Load current range: 0~1.8A

Output Voltage Ripple

Vp-p100Hz<60mV；Vp-pmax<150 mV

Li;Lo Regulation

Line:±0.5%；Load:±2.0%

Overall Voltage Regulation Accuracy

±3%

Rated Output Power

43.2W

Rated Operating Efficiency

≥75% (output power is rated)

Rated Input Voltage

Input voltage range: AC85-265V. Interface location: Standard three-pin input socket.

Rated Input Current

Rated current: AC 0.43A, current range AC 0.35A～1.2A

AC Input Frequency

Rated AC voltage frequency range 47～63Hz, sine wave

Inrush Current

The inrush current to the power grid at the moment of power-on: the maximum value during cold start is 30A/10ms.

Input Overvoltage Protection

    Input allowable range: AC0～280V; Overvoltage protection point: AC300V±5V, power supply enters irreversible shutdown state.

Output Overload Protection

The overload protection point is approximately 150-250% of the rated output power; the overload protection is an online power limiting and voltage reduction method; the short circuit protection is an online power limiting method.

Multi-unit series/parallel operation

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Power supply timing parameters

Setup time ≈ 200ms; Settlement time ≈ 50ms; Hold-up time ≈ 20ms

Isolation voltage parameters

Input-output: AC 1.5 kV; Input-chassis: AC 1.5 kV, leakage current <5mA, 50Hz, 1min.

Operating temperature parameters

The operating temperature drift coefficient is approximately ±0.03 [%/℃]; the absolute temperature rise coefficient is approximately 0.7 [℃/W]; the absolute temperature rise of the chassis when operating at rated power is 25℃±5℃.

Environmental conditions parameters

Storage environment: -20℃ to +85℃; 10% to 95%RH. Operating environment: -10℃ to +50℃; 20% to 90%RH. (Varies depending on the operating environment and power consumption)

Cooling method

Continuous operation mode, with natural cooling of the machine body.

External dimensions and mounting dimensions

External dimensions: L116XW47XH32mm3, desktop placement

Net weight and color

Approximately 250g, plastic casing, black

Design standards

GB4943，GB9254，3C，UL