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Curve Comparison

The document provides tripping curves for Schneider Electric's NG125N-D and NS1000N circuit breakers. It includes settings for long-time, short-time, and instantaneous trip characteristics, along with their respective ratings and limits. The data is essential for understanding the performance and discrimination of these circuit breakers in electrical systems.

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100 views2 pages

Curve Comparison

The document provides tripping curves for Schneider Electric's NG125N-D and NS1000N circuit breakers. It includes settings for long-time, short-time, and instantaneous trip characteristics, along with their respective ratings and limits. The data is essential for understanding the performance and discrimination of these circuit breakers in electrical systems.

Uploaded by

izlatuni
Copyright
© Attribution Non-Commercial (BY-NC)
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as PDF, TXT or read online on Scribd
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Schneider Electric - Curve Direct V1.

8 - Tripping curves

t(s)

NG125N-D-125A NS1000N-Micrologic 5.0-1000A

1000

100

10

0.1

0.01 1 10 100 1000 10000 I(A)

Settings

Range Circuit-breaker Trip unit/curve Rating Long-time Io Ir tr Short-time Im/Isd I2t (delay) tm/tsd Instantaneous Ii Discrimination Limit

Multi9 NG125N D 125.00

Compact NS1000N Micrologic 5.0 1000.00

0.90 24.0 10.00 OFF 0.4 1500.0A Upstream device kA

900.0A 24.0s 9000.0A 0.4s OFF

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