R-frame digitrip RMS 510 trip unit
●The Digitrip RMS 510, illustrated in Figure 2, is a Trip Unit suitable for use in types DS and DSL Low-Voltage AC power circuit breakers and type SPB Systems Pow-R circuit breakers and Series C R-Frame molded case circuit breakers . The Digitrip RMS 510 Trip Unit pro-vides three basic functions: Protection and Information and Testing.
●Digitrip RMS 510 provides true RMS current sensing for proper cor-relation with thermal characteristics of conductors and equipment . Interchangeable rating plugs are provided to establish the continuous current rating of each circuit breaker. The Digitrip RMS 510 Trip Unit is designed for use in industrial circuit breaker environments where the ambient temperatures can range from -20°C to +85°C (-4°F to 185°F) and rarely exceed 70 to 75°C (158 to 167°F) . If, however, temperatures in the neighborhood of the Trip Unit do exceed this range, the Trip Unit performance may be degraded . In order to insure that the tripping function is not compromised due to an over-temperature condition, the Digitrip RMS 510 microcomputer chip has a built-in over-temperature protection feature, factory set to trip the breaker if the chip temperature is excessive . If over-temperature is the reason for the trip, the Long Delay Time LED will light "RED" .
●The Trip Unit employs the Eaton custom designed integrated circuit microprocessor which includes a micro-computer to perform its numeric and logic functions . The principle of operation is described by the block diagram shown in Figure 1.
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User's Guide |
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Please see the document for details |
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English Chinese Chinese and English Japanese |
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August 2011 |
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I. L. 29-885D |
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2.1 MB |
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