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MERSEN FUSE US142MI US142MI

MPN: K331140

Alt. SKU: US142MI

Special Price £59.69 £49.74 Regular Price £108.53

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MERSEN FUSE US142MI US142MI is available to buy in increments of 3
Free delivery on orders over £200

Why Choose the Fuse Holder UltraSafe™ 800VAC 1000VDC UL 14x51 2-Pole Visual Indicator Microswitch Pressure Plate IP20 US142MI?

This robust fuse holder offers safe, reliable protection for circuits operating up to 800VAC and 1000VDC, accommodating standard 14x51mm UL fuses. Its UltraSafe™ design ensures IP20 finger-safe operation, while the pressure plate terminals enable secure, vibration-resistant wiring for demanding industrial applications.

Featuring a clear visual indicator and integrated microswitch for remote status monitoring, this 2-pole unit supports rapid troubleshooting and enhanced safety. Engineered for straightforward panel integration, it is ideal for OEMs and installers seeking compliance, reliability, and operational visibility.

Technical Specifications

  • Item number: K331140
  • Catalogue No: US142MI
  • Description: Fuse Holder UltraSafe™ 800VAC 1000VDC UL Fuse size 14x51 2-Pole Visual Indicator Microswitch Pressure Plate IP20
  • EAN/UPC Code: 0782001310998
  • Rated voltage AC UL: 800 V
  • Rated voltage DC UL: 1000 V
  • Frequency (Hz): 50 ... 60 Hz
  • Rated voltage AC IEC: 750 V
  • Rated voltage DC IEC: 750 V
  • Ampere Rating: 50 A
  • RoHS Compliant: Yes
  • AC or DC: AC/DC
  • Short Circuit Current Rating (SCCR): 100 kA
  • Fuse Size: 14x51
  • Design Details: US14 double pole
  • Indication System: Yes
  • Indication System Type: Visual Indicator Microswitch
  • Number of Poles: 2-Pole
  • Wiring range: #2 - #14
  • Connection/Terminal Material: Tin-Plated Copper
  • Connection/Terminal Type: Clip
  • Fuse Installation Method: Clip-in
  • Torque Rating: 3.5 Nm
  • Max Fuse Rating: 50 A
  • Housing Material: Polyamide
  • Rated Impulse Withstand Voltage: 8 kV
  • Rated Insulation Voltage: 690 V
  • Installation Mounting: DIN rail acc. EN 60715
  • Product Width: 53 mm
  • Product Length: 76.5 mm
  • Product Height: 110.8 mm
  • Sell Pack Quantity: 3 EA
  • Sell Pack Weight: 0.93 kg
  • Sell Pack Width: 120 mm
  • Sell Pack Length: 185 mm
  • Sell Pack Height: 85 mm
  • Product group: Fuse Holders
  • Conventional Free Air thermal Current With Fuse-Links Ith: 50 A
  • Body/Insulating Material: Polyamide
  • Product Weight: 0.31 kg

Product Code: K331140

Key Benefits

  • High voltage rating supports up to 800VAC and 1000VDC for versatile applications.
  • Visual indicator and microswitch enable quick fault detection and remote monitoring.
  • Pressure plate terminals provide secure, vibration-resistant connections.
  • IP20 finger-safe design enhances operator safety during installation and maintenance.
  • Clip-in fuse installation simplifies replacement and maintenance.
  • Durable polyamide housing ensures long-lasting performance in industrial environments.

Compatibility

This fuse holder is compatible with standard 14x51mm UL fuses and designed for use with DIN rail mounting systems according to EN 60715. It supports wiring sizes from #2 to #14 and is suitable for both AC and DC circuits up to the specified voltage and current ratings.

Applications

  • Industrial control panels and switchgear assemblies
  • Power distribution systems requiring reliable fuse protection
  • OEM equipment requiring integrated fuse status monitoring
  • Renewable energy systems with DC voltage requirements
  • Automation and process control installations

Frequently Asked Questions

What fuse sizes are compatible with this fuse holder?

This fuse holder is designed for 14x51mm UL fuses.

Can this fuse holder be used in DC circuits?

Yes, it is rated for use up to 1000V DC.

How does the visual indicator work?

The visual indicator, combined with the microswitch, signals fuse status for easy fault detection and remote monitoring.

What type of mounting does this fuse holder require?

It is designed for DIN rail mounting according to EN 60715.

Is the fuse holder RoHS compliant?

Yes, this product is RoHS compliant.

Common Search Terms

Fuse holder 14x51, UltraSafe fuse holder, 2-pole fuse holder, visual indicator fuse holder, microswitch fuse holder, pressure plate terminal, 800VAC fuse holder, 1000VDC fuse holder, DIN rail fuse holder, industrial fuse holder

More Information
Manufacturer Part Number K331140
Packed Quantity 3
Barcode 0782001310998
Height 76.5mm
Width 53mm
Depth 110.8mm
HS Code 85361050
Country of Manufacture Tunisia
Manufacturer Mersen
Alternative Product SKU US142MI
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