Home › Manufacturers › Siemens › 3NE7637-1U

Siemens

Siemens 3NE7637-1U NH3 SITOR Fuse Link - 710A

Siemens 3NE7637-1U NH3 SITOR fuse link with slotted blade contacts.

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

In Stock — Ready to Ship

ManufacturerSiemens

Part number3NE7637-1U

Type SITOR fuse link

Fuse Size NH3

Rated Current (In) 710 A

Class aR

Get a price for 3NE7637-1U

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

Ultra-high voltage semiconductor protection NH3 slotted blade contacts Extreme AC voltage rating Front visual indicator Robust Siemens design

Product description

The Siemens 3NE7637-1U is a high-capacity SITOR fuse link equipped with NH3 slotted blade contacts. It offers a rated current of 710 A and an aR classification, optimized for superior semiconductor protection. This fuse link is designed for very high AC voltages up to 2000 V and DC voltages up to 440 V, featuring a front indicator for operational status.

This fuse link is essential for safeguarding high-power electrical systems and components in demanding industries like renewable energy infrastructure, large industrial plants, and high-voltage DC transmission. It provides critical protection against faults in systems with exceptionally high voltage and current requirements.

Stanlo Automation, a veteran-owned enterprise, specializes in providing surplus industrial automation parts. We ensure availability of critical components like the Siemens 3NE7637-1U, offering cost-effective solutions and fast shipping to minimize your operational interruptions.

Technical specifications

Type	SITOR fuse link
Fuse Size	NH3
Rated Current (In)	710 A
Class	aR
Rated Voltage AC (Un AC)	2000 V
Rated Voltage DC (Un DC)	440 V
Contact Type	Slotted blade contacts
Indicator	Front indicator

Common applications

Renewable energy systems

High-voltage DC transmission

Large industrial plants

High-power AC/DC converters

Critical infrastructure protection

Compatible systems

Compatible with NH3 fuse holders and systems operating at AC voltages up to 2000V and DC voltages up to 440V.

Also known as

Siemens 3NE7637-1U fuse SITOR NH3 aR fuse 710A NH3 fuse Siemens high voltage fuse

Replaces / compatible with

Serves as a direct replacement for Siemens NH3 fuse links rated at 710A aR, suitable for ultra-high voltage applications.

Technical note

Expert tip

For 2000V AC applications, ensure the fuse holder and associated busbar connections are rated for this voltage and are properly insulated.

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 makes the Siemens 3NE7637-1U suitable for 2000V AC applications?

The Siemens 3NE7637-1U is designed with specialized materials and construction to withstand the significant electrical stresses associated with 2000V AC systems. Its aR classification ensures it can rapidly interrupt fault currents, protecting sensitive components even at these extremely high voltages.