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Overcurrent monitor
type OCD 1/500

Application
The overcurrent monitor OCD 1/500 is used in rectifier systems to ensure reliable monitoring and protection against overcurrents. Typical applications include processes such as copper plating, nickel plating, chrome plating, anodizing, as well as printed circuit board manufacturing and electroforming. It contributes significantly to process safety and the protection of system components in modern process engineering.

 

Product description
The overcurrent monitor OCD 1/500 is a precise monitoring device for DC overcurrents in high-power mains rectifiers. It continuously measures the voltage across a shunt and compares it with a defined limit value.

If the set switching threshold is exceeded, the system automatically ensures that the current is regulated back below the permissible value. This enables the OCD 1/500 to provide reliable protection against overloads and supports safe and stable operation of DC power supply systems.

Technical data

Supply voltage: 230 V / 50 Hz
Nominal voltage for shunt resistor: 60 mV
Output relay 1: Load relay 250 VAC 10 A
Output relay 2: Small relay 24 VDC 0.1 A
Dimensions (W/D/H): 45/70/110 [mm]
Recommended setting range: 50 – 70 mV

FAQ

What is the function of the OCD 1/500?

The OCD 1/500 is a monitoring device for DC overcurrents in higher-power mains rectifiers. It measures the shunt voltage and shuts down the rectifier when the setpoint is exceeded.
The OCD 1/500 is used in copper, nickel and chrome plating, anodizing, and printed circuit board manufacturing – wherever overcurrent protection is required for the rectifier and the process.
The OCD 1/500 is connected in series with the rectifier’s shunt and continuously monitors the shunt voltage as a measure of the output current.
The trip value can be adjusted to the respective process. Exact setting ranges are described in the OCD 1/500 data sheet.
Yes, the OCD 1/500 has an output that can trigger an external alarm or protective shutdown in the higher-level system control when activated.

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