Home › Manufacturers › Siemens › 3NC1020

Siemens

Siemens SITOR Cylindrical Fuse Link - 10x38mm, 20A

Siemens 3NC1020 SITOR Cylindrical Fuse Link - 20A

● In Stock 12-Mo Warranty Same-Day Dispatch Ships Worldwide 🎖 Veteran-Owned

In Stock — Ready to Ship

ManufacturerSiemens

Part number3NC1020

Type SITOR Cylindrical Fuse Link

Size 10 x 38 mm

Current Rating 20 A

Class aR (Semiconductor Protection)

Get a price for 3NC1020

Response within 1 business hour

🛡

12-month warranty

All units tested

⚡

Same-day dispatch

Order by 2pm CST

🌐

Worldwide delivery

US, EU, Asia, Middle East

🎖

Veteran-owned

CAGE: 9NK75

Cylindrical fuse link 10x38mm size 20A rating aR class for semiconductor protection High DC voltage rating UL compliant

Product description

The Siemens 3NC1020 is a SITOR cylindrical fuse link with dimensions of 10 x 38 mm. It is rated for 20 Amperes (A) and designed for semiconductor protection (aR class). This fuse link has a rated operational voltage of 600V AC and 700V DC, with DC compliance according to UL standards.

This fuse link is used for protecting sensitive electrical components, particularly power semiconductors like thyristors, diodes, and IGBTs, from overcurrent and short-circuit conditions. It is commonly found in DC drives, UPS systems, and power supplies where fast-acting protection is essential.

Stanlo Automation, a veteran-owned surplus distributor, offers the Siemens 3NC1020 fuse link. Ensure your critical equipment is protected with reliable fuse solutions from Stanlo.

Technical specifications

Type	SITOR Cylindrical Fuse Link
Size	10 x 38 mm
Current Rating	20 A
Class	aR (Semiconductor Protection)
Voltage AC	600 V
Voltage DC	700 V
Standard	UL

Common applications

Semiconductor protection

DC drives

UPS systems

Power supplies

Inverters

Industrial power circuits

Compatible systems

Systems requiring aR class semiconductor protection up to 600V AC / 700V DC

Also known as

Siemens 3NC1020 fuse SITOR 20A fuse 10x38mm aR fuse

Technical note

Expert tip

This fuse is designed for fast acting interruption of short circuits in semiconductor circuits, offering efficient protection.

What happens next?

Email confirmation

Immediate receipt acknowledgment sent to you

Account manager assigned

Confirms your part's spec and condition

Your quote delivered

Tailored to your specific requirements

Frequently asked questions

What is the primary application for the Siemens 3NC1020 SITOR fuse link?

The Siemens 3NC1020 is a SITOR fuse link with a 20A rating and aR class, specifically designed for semiconductor protection. It is used to protect sensitive components like thyristors and diodes in applications such as DC drives and UPS systems from overcurrents.