PGR-4300-12

PGR-4300-12 Ground Fault Relay Overview

The PGR-4300-12 is a ground fault protection relay manufactured by Littelfuse Inc.. Operating at 12VDC, this reliable ground fault relay is designed for industrial and commercial applications where sensitive and fast protection against electrical faults is required. With adjustable trip settings and test/reset functionality, it ensures both protection and ease of maintenance.

✅ Datasheet

Download the official datasheet for full technical documentation and safety instructions:

• Littelfuse PGR-4300 Datasheet (PDF)

✅ Features

• Adjustable trip range from 100A to 1200A
• 0–1 second adjustable delay time
• 12VDC supply voltage
• Manual reset and test button functionality
• DIN Rail and chassis mounting support
• Wide operating temperature: -10°C to +60°C

✅ Technical Specifications

✅ Application Scenarios

• Industrial power distribution panels
• Generator protection systems
• Transformer ground fault monitoring
• Utility substations and control systems
• Commercial electrical panels

🛒 Buy PGR-4300-12 or Find Alternatives

Looking for PGR-4300-12 or equivalent parts? Contact Onzuu, your trusted electronic component distributor. We offer sourcing, BOM services, and global delivery.

📦 Request a Quote

✅ Onzuu Distributor Recommendation

Onzuu is a trusted distributor of industrial-grade electronic components, offering competitive pricing and fast global delivery for components like the PGR-4300-12. Visit Onzuu.com to inquire bulk or OEM pricing.

✅ Frequently Asked Questions (FAQ)

Is the PGR-4300-12 suitable for high current industrial equipment?

Yes, it supports adjustable trip settings from 100 to 1200A, making it suitable for a wide range of equipment.

Does it support DIN rail mounting?

Yes, it supports both DIN rail and chassis mount configurations.

What happens after a ground fault is detected?

The relay trips and requires manual reset after fault clearance.

Can I test the device during operation?

Yes, it has a built-in test button for on-site simulation and maintenance checks.

✅ Conclusion

The Littelfuse PGR-4300-12 ground fault relay is a highly reliable, industrial-grade protection device designed for robust fault detection and prevention. With features like adjustable trip points, manual reset, and DIN mounting, it is ideal for complex electrical systems requiring precise fault monitoring. Purchase it via authorized distributors or from Onzuu for B2B needs.