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Mean Well DRDN20-12 Redundancy Module Power Supply 20A - DIN Rail
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Mean Well DRDN20-12 Redundancy Module Power Supply 20A - DIN Rail
The DRDN20 is a Mean Well power converter.
Key Features
- ✓ Cooling by free air convection
- ✓ Protections: Short circuit / Overload
- ✓ Railway standards: EN45545-2 (fire), EN50155 / IEC60571, IEC61373 (shock & vibration)
- ✓ DC OK relay contact output
- ✓ Safety approvals: IEC61373 5000 meters/OVC II IEC62368-1, UL62368-1, EAC TP TC 004
- ✓ 3 years warranty
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BrandMean Well
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SeriesDR-DRN20
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Power Rating240 Watt
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Output Voltage12 Volt
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Rated Current20 Ampere
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Input Voltage9V~14V
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No of Output1
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Standards MetCB,CE,EAC,UL
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Operating Temperature-40°C~80°C
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Warranty3 Year
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Length4.93 in
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Width4.02 in
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Height1.26 in
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Weight0.77 lb
::specification::
Frequently Asked Questions
Can I use the DRDN20-12 in a 12V PLC or industrial automation control panel?
Yes, this model is built for 12V systems and is rated for 20A with 240W capacity. Its redundancy module design supports 1+1 and N+1 redundancy, which fits PLC and industrial automation panels that need power-path continuity on DIN rail.
Is the DRDN20-12 suitable for a building management control cabinet with redundant 12V power?
It can be used in a building management cabinet when the control equipment is based on 12V and the design calls for redundant power paths. The module supports 1+1 and N+1 redundancy, and the relay contacts allow power status monitoring for cabinet-level supervision.
Can this redundancy module work for 12V alarm, relay, or panel-control loads in an enclosure?
Yes, it is appropriate for enclosed 12V control loads where the system current stays within 20A and 240W. The 125.2 x 102.0 x 32.0 mm housing gives it a slim DIN rail profile for space-conscious panel layouts.
Can I use the DRDN20-12 where I need power status monitoring in a machine control cabinet?
Yes, this unit includes relay contacts for monitoring power status, which is useful in machine control cabinets that need a fault signal from the redundant power path. It is intended for 12V systems up to 20A and 240W.
What is the difference between the DRDN20-12, DRDN20-24, and DRDN20-48?
The DRDN20-12 is rated at 12V, 20A, and 240W with a 9-14VAC input range. The DRDN20-24 is 24V, 20A, and 480W with a 19-29VAC input range, while the DRDN20-48 is 48V, 20A, and 960W with a 36-60VAC input range. All three share the same 125.2 x 102.0 x 32.0 mm dimensions, 0.35 kg weight, -40°C to +80°C operating temperature, and CB, CE, EAC, and UL certifications.
Is the DRDN20-12 meant for open areas or for use inside a control enclosure?
The published specs show DIN rail mounting, industrial certifications, and an operating range of -40°C to +80°C, but they do not list an IP rating. That makes it a better fit for use inside a control cabinet or enclosure rather than in an exposed area.
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Other DR-DRN20 Series Models
1 other model| Model | Power | Voltage | Current | IP Rating | Price | |
|---|---|---|---|---|---|---|
| Mean Well DR-RDN20 Redundancy Module Power Supply - DIN Rail | — | 12V | 20A | Indoor | $36.97 | View |
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