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UPS-500HRM – Nagano JRC (Japan Radio Co. / NJRC)
Device Identification
Type: Uninterruptible Power Supply (UPS) / 無停電電源装置
Model: UPS-500HRM
Part Number: NJD-4018
Serial Number: 701 638
Manufacturer: Nagano Japan Radio Co., Ltd. (JRC)
Electrical Specifications
Input (入力): AC 100V, 50/60 Hz, Single Phase (単相)
Output (出力): AC 100V, 500 VA capacity, 60 Hz, Single Phase (単相)
Functional Description
This unit is a 500VA industrial-grade Uninterruptible Power Supply configured for Japanese electrical standard requirements (100V input and output). Manufactured by JRC (Japan Radio Co.), this specialized equipment is typically utilized in marine electronics (such as ECDIS navigation systems or radar arrays) and critical communication infrastructure to ensure steady backup power and surge protection in the event of an main grid failure. Note that while the input can accept either a 50Hz or 60Hz frequency, the output is strictly regulated to a 60Hz frequency.