Siemens 3NE8731-1 SITOR Fuse Link, NH000, 315A, 690V AC, aR Semiconductor Protection
Siemens 3NE8731-1 SITOR Fuse Link, NH000, 315A, 690V AC, aR Semiconductor Protection
Siemens 3NE8731-1 SITOR Fuse Link, NH000, 315A, 690V AC, aR Semiconductor Protection
Siemens 3NE8731-1 SITOR Fuse Link, NH000, 315A, 690V AC, aR Semiconductor Protection

SIEMENS

Siemens 3NE8731-1 SITOR Fuse Link, NH000, 315A, 690V AC, aR Semiconductor Protection Original Brand New

Model / SKU3NE8731-1

High-performance SITOR fuse link designed for semiconductor protection. Featuring an NH000 size with bolt-on links, this 315A fuse operates at 690V AC / 440V DC and includes a front indicator for easy status monitoring.

$252.46
In stockShips in 1–3 business days
  • ConditionOriginal Brand New
  • Warranty12 months
Request bulk quoteAsk on WhatsApp
  • Genuine Products
  • Up to 1-Year Warranty
  • Global Shipping
  • Secure Payment
  • PI / Bank Transfer Available
  • Bulk Quote Support

Description

Overview

The Siemens 3NE8731-1 belongs to the SITOR series of high-speed fuses, specifically engineered to protect power semiconductors (such as diodes, thyristors, and GTOs) from the damaging effects of short circuits. Its aR utilization category ensures rapid response times, making it an essential component for modern power electronics and industrial converters.

Key Features & Benefit

  • Ultra-Fast Response: Specifically designed as an aR class fuse for superior semiconductor protection.

  • Bolt-on Connectivity: Equipped with bolt-on links for secure, vibration-resistant installation in industrial environments.

  • Front Indicator: Features a clear front-facing visual indicator for immediate identification of blown fuses.

  • Dual Voltage Rating: Versatile operation with ratings up to 690 V AC and 440 V DC.

  • Compact Design: The NH000 form factor allows for high-density power distribution in control cabinets.

Function

  • Protects power electronic devices from short circuits

  • Ideal for inverters, converters, UPS systems, motor drives, and rectifiers

  • Ensures system reliability in industrial automation and power distribution

  • Minimizes downtime through fast fault detection

Application

The Siemens 3NE8731-1 is ideal for:

  • Variable speed drive systems and inverters.

  • Soft starters and power controllers.

  • DC drive systems and rectifiers.

  • UPS (Uninterruptible Power Supply) systems.

Visit 3NE8731-1 for more detail info

For more our products visit turll

Download

Datasheet in PDF

Specifications

SKU / Model3NE8731-1
BrandSIEMENS
product brand nameSENTRON
product designationSITOR fuse link
design of the productWith bolt-on links
design of an identification indicatorfront indicator
design of the switching contactWith bolt-on links, silver-plated
design of the fuse linkSITOR, LV HRC design
size of fuse system / acc. to DIN EN 60269-1NH000
operating class of the fuse linkaR
varying load factor (WL)0.85
type of voltage / of the operating voltageAC/DC
supply voltage-
● at DC440 V
switching capacity current-
● at DC / acc. to IEC 60947-2 / rated value50 kA
● acc. to IEC 60947-2 / rated value200 kA
power loss [W]-
● for rated value of the current / at AC / in hot operating state / per pole54 W
operational current-
● at 30 °C / rated value315 A
● at 40 °C / rated value315 A
● at 45 °C / rated value315 A
● at 50 °C / rated value311.85 A
● at 55 °C / rated value308.7 A
● at 60 °C / rated value305.55 A
● at AC / rated value315 A
product descriptionNot non-interchangeable
mounting positionAny, preferably vertical
ambient temperature / during operation-
● minimum-20 °C
● maximum50 °C
environmental category-20 to +50 at 95% relative humidity
Weight0.144 kg
Dimensions60.00 × 105.00 × 24.00 mm

Need bulk pricing or a hard-to-find part?

Request a quote for project quantities, discontinued or obsolete models, and pro-forma invoice / bank transfer orders. Our sourcing team responds fast.

Request a QuoteChat on WhatsApp

Related products

WhatsApp Request a Quote