Nishishiba Electric | VZRAB-1S (P) Automatic Voltage Regulator

文章作者：小编人气：发表时间：2026-07-23 10:27:05

⚙️ The Nishishiba Electric VZRAB-1S (P) Automatic Voltage Regulator is a heavy-duty excitation control unit engineered specifically for marine generators, diesel generator sets, and industrial synchronous alternators.

Designed to automatically monitor and regulate output voltage, this device ensures stable electrical power delivery under fluctuating load conditions.

It guarantees exceptional precision, rapid transient response, and long-term operational reliability within demanding maritime and power generation environments.

Product Datasheet & Technical Parameters

📦 Model Name: VZRAB-1S (P) Automatic Voltage Regulator (AVR)

🏷️ Part Number: VZRAB-1S (P)

🏭 Brand/Manufacturer: Nishishiba Electric Co., Ltd.

📏 Dimensions: Standard industrial enclosure format (approx. 200 mm x 150 mm x 80 mm)

⚖️ Weight: Approximately 1.2 kg

🌍 Country of Origin: Japan

⚡ Power Supply / Sensing Input: 110V / 220V / 440V AC multi-range voltage sensing

🔌 Excitation Output: Adjustable DC field current output designed for marine alternators

🌡️ Operating Temperature Range: -20°C to +70°C

🛡️ Protection Class: IP20 (intended for installation within generator terminal boxes or control panels)

Frequently Asked Questions (Q&A)

❓ What is the primary function of the Nishishiba VZRAB-1S (P) regulator?

💡 It is built to continuously monitor generator output voltage and automatically adjust the exciter field current to maintain stable and steady voltage levels during load changes.

❓ Where is this AVR commonly installed?

💡 It is typically mounted inside the alternator terminal box or dedicated generator control panels on marine vessels and industrial power plants.

❓ What maintenance is recommended for this voltage regulator?

💡 Routine checks to ensure clean and secure wiring terminals, verifying proper heat dissipation, and checking for moisture or dust accumulation inside the enclosure are advised.

Recommended Alternative Nishishiba Electric Series Models

🔹 Nishishiba Electric VZRAB Series Voltage Regulator

🔹 Nishishiba Electric AVC Series Automatic Voltage Regulator

🔹 Nishishiba Electric Synchronous Generator Excitation Controller

🔹 Nishishiba Electric Marine Alternator Control Card

🔹 Nishishiba Electric Digital AVR Unit

🔹 Nishishiba Electric Generator Protection Relay Module

🔹 Nishishiba Electric Power Distribution Control Board

🔹 Nishishiba Electric Synchronizing Unit

🔹 Nishishiba Electric Switchboard Interface Card

🔹 Nishishiba Electric Field Current Monitoring Unit

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