MikroTik G1251-0250WNA 250W Hot-Swap PSU CRS812 DDQ
The MikroTik G1251-0250WNA is the official 250W hot-swap replacement power supply unit for the CRS812 DDQ 400G aggregation switch. Rated at 12Vdc, 20.8A output, it is a direct drop-in spare that can be replaced on the go — no switch restart, no downtime, no service disruption. At USD 79, it is the correct on-site spare for any production CRS812 DDQ deployment where power supply redundancy and zero-downtime replacement are operational requirements.
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The MikroTik G1251-0250WNA is the factory-specified hot-swap replacement PSU for the CRS812 DDQ — the 400G aggregation switch platform purpose-built for high-density data centre core switching. When a PSU module in a live CRS812 DDQ deployment reaches end of life, trips a fault condition, or fails outright, the G1251-0250WNA is the correct replacement to restore full redundant power without taking the switch offline.
Hot-swap capability is the defining operational advantage here. The CRS812 DDQ supports live PSU replacement — remove the failed module, slide in the G1251-0250WNA, and the switch continues operating without a restart. In a production data centre environment, this is the difference between a scheduled maintenance event and an unplanned outage.
Keeping a G1251-0250WNA spare on-site is the minimum recommended practice for any CRS812 DDQ deployment in a production environment. At USD 79, the cost of a spare is negligible relative to the cost of switch downtime while waiting for a replacement unit to ship.
Key specifications:
- Output voltage: 12Vdc, 20.8A
- Rated output: 250W
- Form factor: Hot-swap — live replacement, no switch restart required
- Compatible with: MikroTik CRS812 DDQ
- MTBF: ~100,000 hours at 25°C
- Product code: G1251-0250WNA
- Suggested price: USD 79.00
Note: This is a replacement spare part. It is not a standalone device and requires a compatible CRS812 DDQ chassis. Not compatible with the CRS418 series (which uses the TN19-0250-55 PSU).
- Product code
- G1251-0250WNA
- Output Voltage
- 12Vdc 20.8A
- Power Rating
- 250W
