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Approvals & Standards

  • UL Listed to Standard UL248 File E333668
  • CSA Component Certified C22.2

Key features & benefits

Mersen’s HP6J photovoltaic (PV) fuse series was engineered specifically
for DC Recombiner Boxes in the protection of 600VDC photovoltaic
systems. Its enhanced construction makes it ideal for continuous
temperature and current cycling withstand adding to system longevity.
The 600VDC rated HP6J designed for low minimum breaking capacity
capabilities of 1.35 times the fuse rated current value allows for safe circuit
interruption under typical low fault current conditions produced by PV
arrays. Protect your off-grid or grid tied PV system from unexpected
ground faults and line faults using Mersen’s HelioProtection® fuse line.

More specifications

Applications

  • Re-combiner (sub-combiner, array combiner, master combiner) applications
  • Inverter DC input protection
  • Battery charge controllers

Product Specifications

Frequency (Hz)

50/60   Hz

Ampere Range

70 to 600 A  

Fuse Class

Photovoltaic  

Speed/Characteristic

gPV  

UL File Number

File E333668  

UL Category Code

JFGA  

REACH Compliant

Yes  

Max Operating Temp.

80   °C

Max Storage Temp.

80   °C

Min Storage Temp.

-25   °C

Harmonized System

853610  

References in this series  (18)

HP6J100

100   A

-

-

No

0.25   lb

HP6J110

110   A

-

-

No

0.8   lb

HP6J125

125   A

-

-

No

0.8   lb

HP6J150

150   A

-

-

No

0.8   lb

HP6J175

175   A

-

-

No

0.8   lb

HP6J200

200   A

-

-

No

0.8   lb

HP6J225

225   A

-

-

No

1.75   lb

HP6J250

250   A

-

-

No

1.75   lb

HP6J250EIB

250   A

-

-

Yes  

1.85   lb

HP6J300

300   A

-

-

No

1.75   lb

HP6J350

350   A

-

-

No

1.75   lb

HP6J400

400   A

-

-

No

1.75   lb

HP6J450

450   A

-

-

No

3.2   lb

HP6J500

500   A

-

-

No

3.2   lb

HP6J600

600   A

-

-

No

3.2   lb