MERSEN FUSE 6,9 URB 000 BS 88/250 6,9URB000BS88/250

MERSEN FUSE 6,9 URB 000 BS 88/250 6,9URB000BS88/250

High-speed fuse with NH 000 square body design, 250A rating, 690VAC IEC compliance, featuring aR characteristic and L bracket terminals for reliable semiconductor protection.

SKU: H330057Alt SKU: BS000UB69V250MPN: H330057
Price
List Price £45.38 ex VAT
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£45.38
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Sold in packs of 3

£45.38

Why Choose the Mersen H330057 Industrial Fuse?

The Mersen H330057 is an industrial electrical fuse designed to provide dependable overcurrent and short-circuit protection within compatible power distribution, control and automation equipment. Manufactured by Mersen, a recognised specialist in electrical protection products, this fuse is suitable for maintenance, repair and replacement applications where the correct original part number is essential.

Engineered for reliable circuit protection, the H330057 helps isolate damaging electrical faults before they can affect connected equipment or surrounding components. Its industrial construction makes it suitable for use in demanding electrical installations, including control panels, machinery, power conversion equipment and production systems.

The Mersen H330057 is particularly useful for engineers and maintenance teams replacing an existing fuse with the same manufacturer reference. Electrical ratings, dimensions and compatibility should always be checked against the installed component, equipment documentation or official Mersen technical data before installation.

Key Advantages

  • Genuine Mersen industrial circuit protection product.
  • Designed to provide dependable overcurrent and short-circuit protection.
  • Suitable for maintenance, repair and replacement requirements.
  • Helps protect valuable electrical and electronic equipment from fault currents.
  • Industrial construction for use in demanding operating environments.
  • Identified by the manufacturer reference H330057 for accurate replacement selection.

Key Features

  • Mersen electrical protection fuse.
  • Manufacturer part number H330057.
  • Designed for industrial electrical systems.
  • Provides overcurrent and short-circuit protection.
  • Suitable for compatible fuse holders or equipment assemblies.
  • Supports preventative maintenance and fault protection strategies.
  • Suitable for industrial control and power applications.
  • Replacement component for equipment specifying the H330057 reference.

Reliable Circuit Protection for Industrial Equipment

Industrial fuses are designed to interrupt excessive electrical current when a short circuit or overcurrent condition occurs. By disconnecting the affected circuit, the fuse helps reduce the risk of damage to cables, drives, control equipment and other valuable components.

Correct fuse selection is essential for safe and reliable operation. Replacement fuses should match the required voltage, current, operating class, dimensions and breaking capacity specified by the equipment manufacturer. The complete H330057 reference should therefore be verified before the fuse is installed or energised.

Typical Applications

  • Industrial electrical control panels.
  • Manufacturing and production machinery.
  • Power distribution equipment.
  • Motor control and automation systems.
  • Power conversion and electronic equipment.
  • Maintenance and replacement of existing Mersen fuse installations.

Technical Specifications

Item number H330057
Catalogue No BS000UB69V250
Description Square Body High-Speed Fuse Protistor® Size NH 000 aR 690VAC IEC 250A L Brackets
EAN/UPC Code 3605340361469
Rated voltage AC UL 690 V
Rated voltage DC UL 500 V
Rated voltage AC IEC 690 V
Ampere Rating 250 A
RoHS Compliant Yes
AC or DC AC/DC
Speed/Characteristic aR
Fuse Size NH000
Mounting Bolted
Clearing I2t At Rated Voltage 52000 A²s
Melting I2t 9860 A²s
AC Max I.R./Breaking Capacity I1: 200 kA
Connection/Terminal Material Tin-Plated Copper
Connection/Terminal Type L Brackets
Product Width 36 mm
Product Length 94 mm
Product Height 22.5 mm
Sell Pack Quantity 3 EA
Sell Pack Weight 0.423 kg
Sell Pack Width 110 mm
Sell Pack Length 130 mm
Sell Pack Height 80 mm
Product group Semiconductor Protection Fuses
Body/Insulating Material Ceramic
Product Weight 0.141 kg
Power Dissipation at Rated Current Value 45 W
HS Code 85361090
Country of Manufacture Tunisia
Fuse Type BS88, Semiconductor
Fuse Size NH000
Fuse Class aR
Voltage 690 V

Frequently Asked Questions

What is the Mersen H330057 used for?

The Mersen H330057 is used to provide overcurrent and short-circuit protection within compatible industrial electrical equipment and control systems.

Is the H330057 suitable as a replacement fuse?

It may be used as a replacement where the equipment or existing fuse specifies the exact Mersen H330057 manufacturer reference.

Which specifications should be checked before installation?

The voltage rating, current rating, fuse class, breaking capacity, physical dimensions and mounting arrangement should all be verified before installation.

Where is this fuse typically installed?

The fuse may be installed in compatible industrial fuse holders, electrical panels, machinery or power equipment that specifies the H330057 reference.

Why is matching the exact part number important?

Matching the exact part number helps ensure that the replacement fuse has the correct electrical characteristics, dimensions and operating performance required by the equipment.

Trusted Industrial Electrical Protection

Mersen circuit protection products are used across industrial electrical installations to help protect equipment, support reliable operation and reduce the consequences of damaging fault currents.

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