Power supply MikroTik TN19-0250-55 250W 55V — external DC power unit

MikroTik TN19-0250-55 is an external DC power unit that supplies 250W at 55V for compatible networking equipment. The compact form factor is designed to sit alongside routers, switches and other devices that accept a 55V input, serving as a replacement or spare power supply. The unit provides a single, stable DC output intended to maintain continuous operation of MikroTik hardware in small office, branch or data center environments.

Advantages

The power supply delivers a consistent 55V output with a 250W power rating, supporting sustained loads for network devices. Its external design simplifies installation and replacement without opening device enclosures. The compact footprint reduces space requirements in rack or shelf setups, while the robust construction is intended for continuous operation. The PSU is compatible with equipment that requires a 55V DC input and helps maintain stable network uptime when used as an original or spare unit.

Suitable for

• Replacement or spare power supply for MikroTik routers and switches that require 55V input
• Small office or branch network installations
• Edge or secondary power source in datacenter racks
• On-site equipment where compact external DC supplies are preferred

Key specifications

• Output voltage: 55V DC
• Maximum power output: 250W
• Form factor: external DC power unit
• Typical use: continuous operation for networking devices
• Physical design: compact enclosure suitable for shelf or rack-side placement

How to use

Connect the power supply to a compatible device using the appropriate DC input connector, ensuring polarity and voltage match the target equipment's requirements. Place the unit on a stable, ventilated surface and provide adequate airflow around the enclosure. Use only approved cables and connectors rated for the power and voltage; route cables to avoid stress on connectors. Verify output voltage before connecting sensitive equipment and perform a step-by-step power-up sequence if integrating with other powered devices.

Usage recommendations

Install the MikroTik TN19-0250-55 in a dry, dust-free area with ambient temperature within the device's operating range. Avoid blocking ventilation openings and check connections periodically. For redundancy, consider using an additional spare unit or UPS to protect against mains interruptions. Refer to the equipment manufacturer's documentation to confirm compatibility with a 55V external supply.