240W High-Efficiency AC-DC Power Supply with 4000VAC Isolation

ARCH AC-DC Switching Power Supply AQF240E

240W High-Efficiency AC-DC Power Supply with 4000VAC Isolation

AQF240 Series

Smart Power for Industrial & ITE Systems — PFC >0.95, EMC-Compliant, U Bracket or Enclosed

The ARCH AQF240 240W AC-DC switching power supply is designed for performance-first applications, delivering exceptional energy efficiency of up to 93%, surpassing many major competitors. It also features a Power Factor Correction (P.F.C.) function > 0.95, minimizing energy loss and reducing operating costs. When power efficiency and cost-effectiveness matter, the AQF240 switching power supply is the smart choice.

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Superior Electrical Safety with High Isolation Voltage

Certified for UL, IEC, and EN 62368-1 standards, the AQF240 switching power supply offers robust protection with an impressive 4000VAC input-to-output isolation—outperforming many competing models limited to 3000VAC. This ensures safe and stable operation across a wide range of critical applications, from industrial control to commercial systems, where user safety and system reliability cannot be compromised.

Simplified Integration with Built-In EMC Compliance

The AQF240 switching power supply meets stringent EMC standards without requiring any external components, streamlining the design and integration process. This built-in compliance reduces both space and cost while accelerating time-to-market for your end product. The switching power supply is available in both U-bracket and enclosed chassis options, offering flexible mounting choices for space-conscious designs.

Wide Input Range and Reliable Operating Temperature

The AQF240 switching power supply supports a universal input range of 90–264 VAC, making it globally adaptable for diverse voltage conditions. It operates reliably in temperatures from –10°C to +70°C, suitable for most indoor and controlled industrial environments. While it may not lead the market in thermal range or size, it delivers dependable performance where it counts—efficiency, safety, and reliability.

Engineered for Performance, Efficiency, and Value

The AQF240 switching power supply is built for engineers and system designers who prioritize energy efficiency, power factor performance, and electrical safety. Delivering a rare combination of mid-range 240W power, up to 93% efficiency, and 4000VAC isolation, it stands out among sub-250W AC-DC power supplies. Whether you’re optimizing for performance, cost, or integration ease, the AQF240 switching power supply offers a compelling balance of technical strength and system value—all in a compact and reliable form factor.

Key Features

Enclosed / U Bracket Package.
Universal Input Range 90 - 264VAC.
High Efficiency up to 93%.
With P.F.C. Function > 0.95.
Wide Operating Temperature: -10°C ~ +70°C with derating
I/O Isolation: 4000VAC
Safety Approval to IEC / EN 60950, UL/ IEC / EN 62368-1.
3-Year Product Warranty.

Applications

Industrial Automation Systems
Automotive Electronic Equipment
Communication Equipment
IoT (Smart City)
Mechanical Equipment

Specification

Series	AQF240U-5S	AQF240U-12S~48S	AQF240E
Dimensions (L x W x H) (Tolerance ± 0.5 mm)	150.0 x 106.0 x 37.0 mm 6.0 x 4.18 x 1.46 inches	150.0 x 106.0 x 35.0 mm 6.0 x 4.18 x 1.38 inches	150.0 x 106.0 x 35.0 mm 6.0 x 4.18 x 1.38 inches
Cooling Method	Free Air Convection / 18 CFM Fan
AC Input Voltage Range	90-264 VAC or 120-370 VDC
AC Inrush Current	<30 A max. (115 VAC) / <60 A max. (230 VAC)
Leakage Current	<0.5 mA max.
Output Voltage Accuracy	± 2%
Output Voltage Adj. Range	± 5% Output Voltage
Ripple and Noise (Vp-p.)	150 mV (max.)	12S: 120 mV (max.); 15S~48S: 200 mV (max.)	12S~24S: 120 mV (max.); 28S~48S: 200 mV (max.)
Over Power Protection	Auto recovery
Over Voltage Protection	Latch Off
Short Circuit Protection	Protection level 1 (nominal): Continuous, Auto recovery Protection level 2 (Instantaneous high current): Latch
Isolation Input-Output (V.AC)	4000 VAC or 5656 VDC
Operating Temperature	-10°C to +70°C
Temperature Coefficient	± 0.03%/°C (0 ~ 50°C)
Safety Approval	UL / IEC / EN 62368-1 (5S, 15S, 28S, 36S N/A)
EMI	EN 55032 Class B
EMS	EN 55024