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Eaton Bussmann FNQR20 Time-Delay Industrial Fuse

This is a slow-blow, time-lag fuse rated at 600 VAC and 20 Amps, ideal for controlling circuits and safeguarding industrial equipment. Encased in a cylindrical, 5AG midget size package measuring approximately 10.30mm in diameter and 38mm long, it features advanced current limitation, providing 10X better fault current protection. Suitable for industrial line protection, control transformers, and branch circuits, it boasts UL and CSA certification for reliability. Designed for use with compatible fuse blocks and holders, this fuse offers dependable performance in critical applications requiring precise current limiting and event protection.

Authorized Distributors
Source:Newark
Part No:FNQ-R-20
Stock:15
Inv Date:06-11-2026
Price: Unit price: $83.12
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Source:DigiKey
Part No:FNQ-R-20
Stock:45
Inv Date:06-11-2026
Price: Unit price: $94.29
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Part No:FNQ-R-20
Stock:29
Inv Date:06-12-2026
Price: Unit price: $80.21
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Part No:FNQ-R-20
Stock:106
Inv Date:06-11-2026
Price: Unit price: $94.29
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Part No:FNQ-R-20
Stock:16
Inv Date:06-11-2026
Price: Unit price: $61.24
Buy/RFQ:
Part No:FNQ-R-20
Stock:56
Inv Date:06-11-2026
Price: Unit price: $66.0323
Buy/RFQ:
Part No:FNQ-R-20
Stock:16
Inv Date:06-11-2026
Price: Unit price: $61.24
Buy/RFQ:
Part No:FNQ-R-20
Stock:18
Inv Date:06-11-2026
Price: Unit price: $66.0323
Buy/RFQ:

Eaton Bussmann FNQR20 Time-Delay Industrial Fuse Specifications:

  • Voltage Rating: 600 VAC
  • Amperage: 20 Amps
  • Type: Slow-blow, time-delay fuse
  • Package Size: 5AG, cylindrical
  • Diameter: 10.30mm
  • Length: 38mm
  • Interrupting Rating: 200kA Vac RMS Sym, 20kA Vdc
  • Certifications: UL Listed, CSA Certified
  • Application: Control circuits, industrial protection, line protection
  • Mounting: Compatible with fuse holders and blocks

Buy the Eaton FNO-R-20 Class CC – Reliable Time-Delay Fuses for Industrial Applications

Secure your industrial systems with the Eaton FNO-R-20 time-delay fuse, designed for critical applications. With UL and CSA certifications, it provides excellent fault current protection and long-lasting reliability. Its compact cylindrical design ensures easy installation in control panels, transformer protection, and line circuits. Ideal for industrial, commercial, and manufacturing environments, this fuse helps prevent equipment damage from short circuits and overcurrent conditions. Order online now to guarantee your systems operate safely and efficiently with trusted Eaton quality.

Order your Eaton FNO-R-20 fused protection device today and ensure reliable circuit protection in your industrial control systems.

Frequently Asked Questions

Where can I buy Eaton Bussmann FNQR20?

You can click on the BUY or RFQ button to purchase FNQR20 from an authorized Eaton Bussmann distributor.

How do I troubleshoot issues or seek technical support for part FNQR20?

You can download the FNQR20 datasheet or visit the Eaton Bussmann website for support.

Who is the manufacturer of FNQR20?

Eaton Bussmann

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