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MERSEN FUSE 6,9 GS 3 PV 0630 Q322589

MPN: Q322589

Alt. SKU: NH3GS69V630PV

Special Price £102.85 £85.71 Regular Price £187.00

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Why Choose the Square Body High-Speed Fuse Protistor® NH Size 3 gS 690VAC IEC 700VAC UL 630A With Double Indicator?

This high-speed fuse offers reliable protection for power distribution and semiconductor applications, with robust performance at up to 690VAC (IEC) and 700VAC (UL) and a 630A rating. Its square body NH Size 3 format ensures compatibility with industry-standard fuse bases and provides efficient heat dissipation under demanding conditions.

Equipped with a double indicator for clear status identification, this Protistor® fuse supports quick fault indication and maintenance, helping to minimise downtime and increase operational safety across critical electrical systems.

Product Code: NH3GS69V630PV

Key Benefits

  • High-speed protection for semiconductor and power distribution applications
  • Rated for up to 690VAC (IEC) and 700VAC (UL) ensuring wide voltage compatibility
  • 630A current rating suitable for demanding electrical loads
  • Double indicator system for clear and quick fault status identification
  • Ceramic body providing excellent insulation and durability
  • Efficient heat dissipation due to square body design
  • Compatible with standard NH Size 3 fuse bases with clip mounting

Compatibility

This fuse is compatible with NH Size 3 fuse holders and bases designed for gS characteristic fuses. It fits standard clip mounting systems and is suitable for use in electrical panels and semiconductor protection circuits requiring high breaking capacity and fast response times.

Applications

  • Protection of power semiconductor devices such as thyristors and diodes
  • Industrial power distribution systems
  • Motor drives and variable speed controllers
  • Renewable energy systems including solar inverters
  • High-speed switching circuits and power electronics

Technical Specifications

  • Item number: Q322589
  • Catalogue No: NH3GS69V630PV
  • Description: Square Body High-Speed Fuse Protistor® NH Size 3 gS 690VAC IEC 700VAC UL 630A With Double indicator
  • EAN/UPC Code: 3605340360431
  • Rated voltage AC UL: 700 V
  • Rated voltage AC IEC: 690 V
  • Ampere Rating: 630 A
  • RoHS Compliant: Yes
  • AC or DC: AC
  • Speed/Characteristic: gS
  • Fuse Size: NH3
  • Mounting: Clip
  • Clearing I2t At Rated Voltage: 749 kA²s
  • Melting I2t: 149.95 kA²s
  • AC Max I.R./Breaking Capacity: I1: 160 kA
  • Indication System: Yes
  • Indication System Type: Double indicator
  • Connection/Terminal Material: Copper
  • Connection/Terminal Type: Plain Blades
  • Product Width: 72 mm
  • Product Length: 150 mm
  • Product Height: 89 mm
  • Sell Pack Quantity: 1 EA
  • Sell Pack Weight: 1.05 kg
  • Sell Pack Width: 80 mm
  • Sell Pack Length: 155 mm
  • Sell Pack Height: 75 mm
  • Product group: Semiconductor Protection Fuses
  • Body/Insulating Material: Ceramic
  • Product Weight: 1.05 kg
  • Power Dissipation at Rated Current Value: 63 W

Frequently Asked Questions

What does the double indicator on this fuse signify?

The double indicator provides clear visual status of the fuse condition, showing whether the fuse has operated (blown) to facilitate quick maintenance and reduce downtime.

Is this fuse suitable for DC applications?

No, this fuse is rated for AC applications only, as specified in the technical specifications.

Can this fuse be used with standard NH Size 3 holders?

Yes, the fuse is designed to fit standard NH Size 3 fuse bases with clip mounting.

What is the breaking capacity of this fuse?

The fuse has an AC maximum breaking capacity of 160 kA at rated voltage.

Common Search Terms

high-speed fuse, NH3 fuse, Protistor fuse, semiconductor protection fuse, 630A fuse, 690VAC fuse, double indicator fuse, gS characteristic fuse, ceramic body fuse, power distribution fuse

More Information
Manufacturer Part Number Q322589
Packed Quantity 1
Barcode 3605340360431
Height 150mm
Width 72mm
Depth 89mm
HS Code 85361090
Country of Manufacture Tunisia
Manufacturer Mersen
Alternative Product SKU NH3GS69V630PV
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