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General| Brand | Mitsubishi |
|---|---|
| Model | NF1000-SS |
| Category | Circuit breakers |
| Language | English |
Explains the ISTAC technology for improved current-limiting and breaking performance.
Details the electronic trip relay with microcomputer for fine protection.
Details the ON, OFF, and TRIPPED conditions and operation.
Describes the types of automatic tripping devices used.
Discusses contact materials and criteria for MCCB contacts.
Explains the de-ion arc extinguisher and its function.
Details tripping times for overcurrents at different percentages of rated current.
Discusses instantaneous tripping and its coordination with other devices.
Presents a table for selecting circuit breakers based on characteristics.
Explains how to consider interrupting capacity for breaker selection.
Details selective coordination combinations between breakers.
Describes the cascade back-up approach for economical protection.
Discusses MCCB selection for motor branch circuits.
Details impedances of supply, transformer, motor, and wiring.
Outlines methods for calculating short-circuit currents.
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