MERSEN FUSE 50A69B1 BTC69V50

MERSEN FUSE 50A69B1 BTC69V50

Why Choose the MERSEN FUSE 50A69B1 BTC69V50?

SKU: BTC69V50Alt SKU: BTC69V50MPN: X1006615
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List Price £36.48 ex VAT
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Why Choose the Mersen BTC69V50 BS88 gG Fuse Link?

The Mersen BTC69V50 is a dependable British Standard BS88 gG fuse link designed to protect industrial and commercial electrical circuits against overload and short-circuit currents. Manufactured by Mersen, it provides effective current limitation to help safeguard cables, conductors, switchgear and connected equipment during electrical fault conditions.

Its gG full-range operating characteristic enables the BTC69V50 to interrupt both sustained overload currents and high-level short circuits. The robust ceramic construction and bolted-tag terminal arrangement support secure installation in compatible fuse holders, fuse switches and low-voltage distribution equipment.

With a rated current of 50 A and a rated operating voltage of 690 V AC, the Mersen BTC69V50 is suitable for industrial control panels, switchboards, machinery and electrical distribution systems requiring reliable circuit protection at elevated operating voltages.

Key Advantages

  • Dependable BS88 gG full-range circuit protection.
  • 50 A rated current for industrial electrical installations.
  • 690 V AC voltage rating for demanding power systems.
  • Protects cables and equipment against overloads and short circuits.
  • Current-limiting operation helps reduce thermal and mechanical fault stress.
  • Bolted-tag construction provides a secure electrical connection.

Key Features

  • Mersen industrial BS88 fuse-link range.
  • 50 A nominal current rating.
  • 690 V AC rated operating voltage.
  • gG utilisation category for full-range protection.
  • Designed to protect cables, conductors and electrical equipment.
  • Durable ceramic fuse body for industrial environments.
  • Bolted-tag terminal configuration.
  • Suitable for compatible fuse holders, fuse switches and switchgear.

Reliable Protection for Industrial Electrical Systems

The Mersen BTC69V50 operates by interrupting excessive current before it can cause serious damage to electrical cables, switchgear or connected equipment. During an overload or short circuit, the internal fuse element disconnects the affected circuit and limits the amount of damaging fault energy allowed to pass.

Its gG operating characteristic provides protection across the complete current range, making it suitable for panel builders, electrical contractors and maintenance engineers working with industrial machinery, control panels and power distribution equipment.

Typical Applications

  • Industrial electrical switchboards.
  • Control panels and distribution boards.
  • Low-voltage switchgear.
  • Fuse switches and switch disconnectors.
  • Industrial machinery and automation equipment.
  • Cable, conductor and equipment protection.

Technical Specifications

Manufacturer Mersen
Model BTC69V50
Product type BS88 industrial fuse link
Rated current 50 A
Rated voltage 690 V AC
Utilisation category gG
Protection function Overload and short-circuit protection
Body material Ceramic
Terminal type Bolted tag
Mounting type Compatible fuse holder or switchgear mounting
Application category Low-voltage industrial circuit protection
Replacement type Single-use replaceable fuse link
Device Type Fuse link
Fuse Type BS88
Fuse Class gG
Current 50 A
Voltage 690 V

Frequently Asked Questions

What is the Mersen BTC69V50 used for?

It is used to protect industrial electrical circuits, cables and equipment against excessive current caused by overloads and short circuits.

What is the current rating of the BTC69V50?

The Mersen BTC69V50 has a nominal current rating of 50 A.

What voltage is this fuse link rated for?

The fuse link is rated for operation at up to 690 V AC.

What does the gG utilisation category mean?

The gG category identifies a full-range fuse designed to protect cables and general electrical circuits against both overload and short-circuit currents.

Can the BTC69V50 be reused after it operates?

No. Once the internal fuse element has operated, the complete fuse link must be replaced with a correctly rated compatible equivalent.

Trusted for Industrial Circuit Protection

Mersen fuse links are widely specified by panel builders, electrical engineers and maintenance professionals for reliable current limitation and dependable protection of industrial power distribution systems.

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