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A2Y

Approvals & Standards
UL Recognized Component File E60314
DC Tested to UL248-1 (1-600A)

Mersen Form 600 fuses are the original current-limiting fuses, predating all the standards. Their 500V DC rating (through 600A) is a useful feature for special fusing applications. Form 600 fuses provide a high degree of current limitation in AC and DC applications. Types 1 and 3 are dimensionally interchangeable with Class H and K fuses. Types 4 and 5 have unique rejection dimensions and are not interchangeable.

Mersen Form 600 fuses are the original current-limiting fuses, predating all the standards. Their 500V DC rating (through 600A) is a useful feature for special fusing applications. Form 600 fuses provide a high degree of current limitation in AC and DC applications. Types 1 and 3 are dimensionally interchangeable with Class H and K fuses. Types 4 and 5 have unique rejection dimensions and are not interchangeable.

Applications

  • Industrial Power Distribution

  • AC and DC Motor Protection

  • Transformers and Small Power Devices

  • Special AC/DC Applications

  • Protection in High Short-Circuit Environments

  • Retrofit or Replacement in Older Equipment

Technical Specifications
Frequency (Hz) 50/60 Hz
Amperage Range 1 to 600 A
UL Category Code JFHR2
Reach Compliant Yes
Max Operating Temp. 80 °C

Reference Finder

53 references in this series

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Item number Ampere rating Fuse size Clearing I2t At Rated Voltage Indication System Product weight
A2Y400-4 See product
 400A - - No 0.8618kg
A2Y45-1 See product
 45A - - No 0.0635kg
A2Y450-3 See product
 450A - - No 1.5876kg
A2Y450-4 See product
 450A - - No 1.5422kg
A2Y5-1 See product
 5A - - No 0.0181kg
A2Y50-1 See product
 50A - - No 0.0635kg
A2Y500-3 See product
 500A - - No 1.5876kg
A2Y500-4 See product
 500A - - No 1.5422kg
A2Y500-5 See product
 500A - - No 1.6329kg
A2Y6-1 See product
 6A - - No 0.0181kg
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