Description
Technical Specifications
- Product Model: CHCMS‑500
- Brand: CHUNGSOL MARINE (Korea)
- Warranty: One Year
- Power Supply: 1‑Phase 220 V AC, 50/60 Hz
- Rated Input: Max 2.5 A, Max 300 W
- Rated Output: 220 V AC, Max 2.5 A, Max 300 W
- Operating Temperature: ‑10 °C ~ +55 °C; 5‑95 %RH non‑condensing, marine vibration resistant
- Storage Temperature: ‑20 °C ~ +70 °C
- Protection Class: IP20 (unit body)
- Front Panel: Digital LED display; up/down dimmer adjustment buttons, heater indicator, C.V.S function button
- Terminals: Screw terminal block for power in‑out and control signals
- Weight: approx. 660 g

Product Overview
CHCMS‑500 is marine‑grade C.V.S (Constant Voltage Stirrer) motor controller for tanker vessels. It provides adjustable constant‑voltage output to drive cargo‑oil tank stirrer motors. Front panel digital display shows output voltage; dimmer buttons set output level; built‑in heater prevents internal condensation under humid onboard environment. Compact plug‑in housing for cabinet installation.
Core function: Stabilize stirring‑motor supply voltage, maintain consistent stirring speed for cargo oil tanks.
Application Scenarios
- Oil tanker cargo‑oil tank C.V.S stirring system: Main controller for tank stirrer motor constant‑voltage drive.
- Product / chemical tanker auxiliary motor local control cabinet.
- Retrofit & spare‑part replacement for existing CHCMS‑500 installations on vessels.







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