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Product Data

View all 659 products in Smart eCat

Part#: PSR030US0500

POWR-SPEED SQB SIZE 30 US SHRT BL 500A

Part#: PSR033DL1600

POWR-SPEED SQB SIZE 33 DIN 110MM 1600A

Part#: PSR030US0350

POWR-SPEED SQB SIZE 30 US SHRT BL 350A

Total of 659 product(s) from 1 Manufacturers. Click the Smart eCat icon to view all products and access Spec Sheets and other product information.

Catalogs

INDUSTRIAL CIRCUIT PROTECTION CATALOG

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Videos

Littelfuse, Inc.

How to Protect Your Solar Applications from Lightning

Lightning strikes are a leading cause of downtime for solar farms. Even indirect strikes can cause major destruction to photovoltaic (PV) systems. Watch this video to learn how the Littelfuse SPD2 Type 2 series of surge protective devices provides a path to ground for excess voltage to protect your PV system.

Littelfuse, Inc.

Best Surge Protection Installation Practices for PV Systems

Photovoltaic (PV) systems are complicated. They are comprised of many components that require various levels of surge protection. The NFPA 780 offers surge protective device (SPD) installation recommendations for solar applications such as requiring SPDs on specific components. To learn the best SPD installation practices, watch this video.

Products

Now Available: Easy-to-Use Surge Protective Device (SPD) Selection Guide

Surge protective devices (SPDs) need to be sized correctly. If they are sized too low, the system could be susceptible to temporary overvoltages. If they are sized too high, it could be damaging to equipment.

This convenient SPD calculator by Littelfuse will determine an optimal MCOV size for your specific system.

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Press Releases

Littelfuse Launches NEMA-style Surge Protective Device (SPDN) Series

SPDN devices provide equipment protection from transient overvoltage events lasting micro-seconds

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Tools & Resources

How Stuff Works
How Surge Protectors Work
How Stuff Works
How Surge Protectors Work