SAILOR TT-1701A SHUNT BOX THRANE A/S DENMARK 80403827 CODE-401701A

Manufacturer: Thrane & Thrane A/S (now part of Cobham SATCOM)
Country of Origin: Denmark
Part Number: 80403827
Model/Code: TT-1701A / CODE-401701A

Primary Function:
The SAILOR TT-1701A is a DC Shunt Box, a critical interface and power management component designed for use with SAILOR maritime satellite communication systems, such as the SAILOR FleetBroadband terminals.

Key Purpose and Operation:
It acts as a precision current sensor. Its core function is to measure the DC current drawn by the connected satellite terminal (like an FB250, FB500, etc.) and convert it into a small, proportional voltage signal. This signal is fed back to the terminal’s power supply or monitoring system to enable:

• Accurate Power Consumption Monitoring

• System Diagnostics and Alarms

• Stable Power Regulation

Typical Installation Context:
This shunt box is installed in-line on the positive (+) DC power cable between the vessel’s main power supply (typically 24V DC) and the satellite terminal. It is an essential part of the power distribution chain for ensuring the terminal operates within its specified electrical parameters.

Technical Characteristics:

• Type: Precision DC Current Shunt (Low-Resistance, High-Current Resistor)

• Compatibility: Designed specifically for the SAILOR product ecosystem.

• Construction: Rugged, marine-grade housing designed to withstand the harsh vessel environment (vibration, temperature fluctuations, corrosion).

• Connection: Features heavy-duty terminal blocks or studs for secure, high-current cable connections.

Why This Part is Essential:
Without a properly functioning shunt box like the TT-1701A, the satellite terminal may not be able to accurately monitor its power intake. This can lead to unreliable system performance, lack of diagnostic data, or failure to start up due to the system’s inability to verify a stable power source.