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Mean Well DDRH-240-24 Ultra Wide Input DC-DC Converter, 240W 24V 10A

250~1500VDC 6:1 ultra-wide input rangewithstand 1700Vdc surge input for 10 seconds85.5mm slim widthDC output voltage adjustable 24~29V

SKU DDRH-240-24

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The DDRH-240 is a 240W high-reliability ultra-wide input DIN Rail DC-DC converter for photovoltaic, energy storage, and high-voltage industrial applications. Its 250~1500Vdc input range handles high-voltage DC bus and battery string sources, with 4KVac reinforced I/O isolation for reliable, noise-free operation. Up to four units can be paralleled for current sharing up to 960W, and a DC OK relay output provides supply status monitoring. The DDRH-240 operates fanless across -40~+80℃.

Key Features

✓ Ultra-wide 250~1500Vdc input range — high-voltage DC bus and battery string compatible
✓ DC output voltage adjustable ±10%
✓ 4KVac reinforced I/O isolation
✓ Cooling by free air convection — fanless design, no minimum load required
✓ Wide operating temperature: -40°C ~ +80°C
✓ DC OK relay contact output — signals supply status
✓ Current sharing up to 960W (3+1 parallel units)
✓ Protections: Short circuit / Overload / Over voltage / Reverse polarity / Under voltage lockout
✓ DIN rail TS-35 compatible
✓ Safety approvals: IEC62109-1, BS EN/EN62109-1, EAC TP TC 004
✓ 3 years warranty

Frequently Asked Questions

Can the DDRH-240-24 power 24V automation equipment such as PLCs, servo drives, or solenoid valves?

Yes. The DDRH-240-24 outputs 240W at 24V and 10A, which covers the power needs of typical 24V industrial automation components including PLCs, servo drive controllers, and solenoid valve banks. Its DIN rail form factor allows it to mount directly alongside the equipment it powers in a control panel.

Is the DDRH-240-24 suitable for use in DC microgrid or high-voltage DC distribution systems?

Yes. With a 250–1500VDC ultra-wide input range and 6:1 ratio, this converter is designed for high-voltage DC sources such as DC microgrids, solar arrays, and battery storage buses. It can also withstand a 1700VDC surge input for 10 seconds, providing additional protection against transients.

Can I use the DDRH-240-24 to power 24V industrial sensors and field instruments?

Yes. At 240W and 10A, the DDRH-240-24 provides ample capacity to supply multiple 24V sensors, transmitters, and field instruments simultaneously. The output voltage is also adjustable from 24V to 29V, which can accommodate loads with slightly higher voltage requirements.

What temperature range does the DDRH-240-24 support, and is it suitable for cold storage or extreme-heat environments?

The DDRH-240-24 is rated for -40°C to +80°C operation, covering both cold storage facilities and high-ambient industrial environments. No IP rating is listed for the unit itself, so it should be installed in an appropriately sealed enclosure when deployed in wet or dusty conditions.

How does the DDRH-240-24 differ from the DDRH-120-24 for 24V applications?

The DDRH-240-24 provides 240W at 10A output, while the DDRH-120-24 provides 120W at 5A — double the power capacity. Both share the same CE/EAC certifications and DIN rail mounting. Choose the DDRH-240-24 when the 24V load exceeds 5A or 120W total.

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Model	Power	Voltage	Current	IP Rating
Mean Well DDRH-240-48 Ultra Wide Input DC-DC Converter, 240W 48V 5A	240W	48V	5A	Indoor	View
Mean Well DDRH-240-32 Ultra Wide Input DC-DC Converter, 240W 32V 7.5A	240W	32V	7.5A	Indoor	View
Mean Well DDRH-240-12 Ultra Wide Input DC-DC Converter, 200.4W 12V 16.7A	200.4W	12V	16.7A	Indoor	View

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Key Features

✓ Ultra-wide 250~1500Vdc input range — high-voltage DC bus and battery string compatible

✓ DC output voltage adjustable ±10%

✓ 4KVac reinforced I/O isolation

✓ Cooling by free air convection — fanless design, no minimum load required

✓ Wide operating temperature: -40°C ~ +80°C

✓ DC OK relay contact output — signals supply status

✓ Current sharing up to 960W (3+1 parallel units)

✓ Protections: Short circuit / Overload / Over voltage / Reverse polarity / Under voltage lockout

✓ DIN rail TS-35 compatible

✓ Safety approvals: IEC62109-1, BS EN/EN62109-1, EAC TP TC 004

✓ 3 years warranty

Mean Well DDRH-240-24 Ultra Wide Input DC-DC Converter, 240W 24V 10A

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Mean Well DDRH-240-24 Ultra Wide Input DC-DC Converter, 240W 24V 10A

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