MERSEN FUSE PS III 20.127 PRE BS +MC PS H097297

MERSEN FUSE PS III 20.127 PRE BS +MC PS H097297

Mersen H097297 PS III three-pole salt spray-resistant non-load fuse disconnector with integrated +MC PS microswitch for compatible 20 × 127 mm semiconductor fuse-links.

SKU: H097297MPN: H097297
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List Price £474.34 ex VAT
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Why Choose the Mersen H097297 PS III Fuse Disconnector?

The Mersen H097297, also identified as PS III 20.127 PRE BS +MC PS, is a heavy-duty three-pole non-load fuse disconnector designed for the secure installation and isolation of cylindrical semiconductor fuse-links. Part of the Mersen PS 20 × 127 mm modular fusegear range, it combines corrosion-resistant construction with integrated microswitch functionality for demanding industrial, renewable energy and transportation applications.

Designed for use with compatible 20 × 127 mm ferrule semiconductor fuse-links, the H097297 features a salt spray-resistant (BS) construction, making it ideal for marine, offshore, railway and outdoor electrical installations. The integrated +MC PS microswitch provides remote indication when a compatible striker-equipped fuse operates, allowing maintenance teams to identify faults quickly and minimise downtime.

Suitable for systems operating up to 1500 V AC/DC and compatible with fuse ratings up to 125 A, the H097297 delivers secure fuse mounting, dependable electrical performance and safe circuit isolation for converters, inverters, battery storage systems and other critical power electronic equipment.

Key Advantages

  • Heavy-duty three-pole fuse disconnector for industrial applications.
  • Compatible with 20 × 127 mm cylindrical semiconductor fuse-links.
  • 125 A maximum current rating.
  • Suitable for electrical systems operating up to 1500 V AC/DC.
  • Salt spray-resistant construction for harsh environments.
  • Integrated +MC PS microswitch for remote fuse-status indication.

Key Features

  • Mersen PS modular fusegear series.
  • Product designation: PS III 20.127 PRE BS +MC PS.
  • Three-pole configuration.
  • Accepts 20 × 127 mm ferrule semiconductor fuse-links.
  • Salt spray-resistant (BS) version.
  • Integrated microswitch for operated-fuse indication.
  • Pre-isolating non-load disconnector.
  • Heavy-duty insulated construction for demanding industrial environments.

Reliable Protection for Harsh Industrial Environments

The Mersen H097297 provides secure mounting and isolation for semiconductor fuse-links protecting converters, rectifiers, drives and renewable energy equipment. Its corrosion-resistant construction makes it particularly suitable for installations exposed to moisture, salt spray and other demanding environmental conditions.

The integrated microswitch enables remote indication when a compatible striker-equipped fuse has operated, allowing maintenance engineers to identify faults quickly and reduce equipment downtime. This makes the H097297 an excellent choice for critical industrial and infrastructure applications.

Typical Applications

  • Solar photovoltaic systems.
  • Battery energy storage systems.
  • Industrial power converters.
  • Variable speed drives.
  • Marine and offshore electrical installations.
  • Railway and transportation power systems.

Technical Specifications

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Mounting Type Base / panel
Poles 3-pole
Device Type Fuse switch disconnector
Fuse Size 20x127 mm
Current 125 A
Manufacturer Mersen
Series PS 20 × 127 Modular Fusegear
Model H097297
Product designation PS III 20.127 PRE BS +MC PS
Product type Non-load fuse disconnector / fuse holder
Number of poles 3
Rated current Up to 125 A
Maximum voltage 1500 V AC/DC
Compatible fuse size 20 × 127 mm
Compatible fuse type Cylindrical ferrule semiconductor fuse-link
Mounting type Panel mounting
Connection type Screw terminals
Construction Salt spray-resistant (BS)
Fuse indication Integrated +MC PS microswitch
Microswitch rating 3 A AC / 3 A DC
Minimum switching load 10 V, 10 mA
Operating category Non-load disconnector

Frequently Asked Questions

What is the Mersen H097297 used for?

The H097297 is a three-pole non-load fuse disconnector designed for mounting and isolating compatible 20 × 127 mm semiconductor fuse-links in industrial electrical systems.

What makes the BS version different?

The BS version features a salt spray-resistant construction, making it suitable for marine, offshore, railway and other harsh industrial environments.

What is the purpose of the +MC PS microswitch?

The integrated microswitch provides remote indication when a compatible striker-equipped fuse operates, allowing quicker fault identification and maintenance.

What fuse size is compatible?

The H097297 accepts compatible 20 × 127 mm cylindrical ferrule semiconductor fuse-links.

Can this disconnector be opened under load?

No. The H097297 is a non-load disconnector and should only be operated after the circuit has been safely isolated.

Trusted by Industrial Power Professionals

Mersen PS modular fusegear is trusted worldwide by OEMs, panel builders and maintenance engineers for dependable semiconductor fuse protection, safe isolation and reliable operation in demanding industrial and renewable energy installations.