Technical Information & Details for MEAN WELL DRC-40B Power Supply
- Output Power: 40.02 W
- Output Voltage: CH1: 27.6 V DC, CH2 (Charger): 27.6 V DC
- Output Current: CH1: 0 – 1.45 A, CH2: 0 – 0.95 A
- Input Voltage Range: 90 – 264 V AC / 127 – 370 V DC, 47 – 63 Hz
- Efficiency: 87%
- Ripple & Noise: 200 mVp-p
- Inrush Current: 30 A / 115 V AC, 60 A / 230 V AC (Cold start)
- No-Load Power Consumption: Pass LPS (Limited Power Source)
- Operating Temperature: −30°C to +70°C
- Cooling: Free air convection (fanless)
- Protection Features: Short circuit, Overload, Over voltage, Battery low cut-off, Battery reverse polarity (by fuse)
- Overvoltage Category: Class I
- Isolation Voltage: 3000 V AC between Input and Output (I/P-O/P)
- Dimensions (H x W x D): 90 mm x 40 mm x 100 mm
- Weight: 300 g
- Safety & EMC Standards: UL62368-1, TUV BS EN/EN62368-1, EAC, AS/NZS 60950.1
- LED Indicator: DC OK Indicator
- Warranty: 3 Years
Information about MEAN WELL DRC-40B
Tailored for 24V nominal backup setups, the MEAN WELL DRC-40B integrates a dedicated battery charger output alongside its main DC channel to maintain continuous uptime during power grid interruptions. It provides TTL open collector outputs for AC OK and low battery alarms, enabling real-time remote telemetry for monitoring networks. Superior electrical safety is guaranteed by an high isolation voltage rating of 3000 V AC between input and output terminals. Industrial durability is central to its design, offering stable performance across a wide operating temperature range of −30°C to +70°C and enduring heavy machinery movements with 2G vibration resistance. Certified under the comprehensive UL62368-1 safety standard, this DIN rail unit represents a highly dependable solution for industrial automation, alarm systems, and critical DC UPS infrastructure.