Product Features
A high-speed aR fuse identified by its original JEAN MÜLLER product label for power-electronic circuit protection.
Product Information and Specifications
| Manufacturer | JEAN MÜLLER |
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| Marking code | 5Z18319P |
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| Rated current | 40 A |
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| Rated voltage | 690 V AC |
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| Utilization category | aR |
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| Breaking capacity | 100 kA |
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| Standards markings | VDE 0636-1; IEC 60269; GB 13539.4 |
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| Country marking | Made in Slovenia |
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Before Ordering
Select the fuse by its complete marking code, rated current, rated voltage, utilization category and required breaking capacity. Confirm the physical fuse size separately for the holder used in the installation.
Frequently Asked Questions
What electrical ratings are visible on the fuse label?
The label shows 40 A, 690 V AC, aR utilization category and 100 kA breaking capacity.
What type of protection does the aR marking identify?
The aR category identifies a high-speed partial-range fuse for power-electronic protection.
Which marking should be used for replacement selection?
Use the complete JEAN MÜLLER marking code 5Z18319P together with the electrical ratings and the physical holder size.
