Table of Contents
Product Overview
The QJL7-63 MCB is an automatically operated protective switch used in low-voltage distribution systems. It combines compact design with stable tripping performance, making it suitable for everyday power distribution and protection tasks.
In addition to circuit protection, the breaker can also be used for infrequent manual switching operations under normal operating conditions.
Key Features & Benefits
Effective protection against overload and short-circuit
Stable and precise tripping performance
Compact structure for space-saving installations
Suitable for a wide range of low-voltage applications
DIN-rail mounting for easy installation
Reliable operation in standard indoor environments
Installation Information
Installation Category: II, III
Mounting Method: Standard DIN rail
Installation Position: Vertical mounting, handle facing upward
Vibration & Impact: Installation location should be free from significant vibration or mechanical shock

FAQ
Yes, it can be used in light industrial environments in addition to residential and commercial applications.
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It is suitable for protection and infrequent switching, but not recommended as a primary isolation switch for frequent operations.
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The breaker is designed for standard DIN-rail installation.
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