Mersen UltraSafe™ IP20 Fuse Ho...
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Mersen UltraSafe™ IP20 Fuse Holder, 14x51mm, 800VAC/1000VDC UL Rated

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Model: Z331153

In Stock (leaves warehouse same day if ordered before 3pm ET)

$90.93
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Mersen UltraSafe™ IP20 Fuse Holder, 14x51mm, 800VAC/1000VDC UL Rated

The Mersen UltraSafe™ Fuse Holder is a modular, 1-Pole fuse holder built for 14x51mm fuse links, rated 800VAC/1000VDC per UL and 750VAC/750VDC per IEC, with a 690V rated insulation voltage. Finger-safe under IEC standards to an IP20 grade of protection, it allows fuse changing with the flick of a finger. Constructed of tough, durable polyamide thermoplastic, it mounts to DIN rail per EN 60715 and is part of the UltraSafe™ modular range, also available in 1, 2, 3, or 4-pole configurations with optional visual blown-fuse indicator and remote microswitch indication.

Key Features

  • Fuse Size: Accepts 14x51mm fuse links for dependable overcurrent protection.
  • Durable Construction: Tough, durable polyamide thermoplastic body resists impact, heat, and wear in demanding panel environments.
  • Finger-Safe IP20 Design: Finger-safe under IEC standards to an IP20 grade of protection, even during fuse changing, reducing touch-hazard risk for technicians.
  • Clip-In Terminals: Tin-Plated Copper clip connection terminals provide secure, low-resistance contact and clip-in fuse installation.
  • Electrical Rating: 50A ampere and max fuse rating, 800VAC/1000VDC (UL) and 750VAC/750VDC (IEC), with a 690V rated insulation voltage and 8kV rated impulse withstand voltage.
  • Wiring Range: Accepts #2 - #14 AWG conductors for flexible field wiring.
  • High SCCR: 100kA short circuit current rating supports demanding fault-current applications.
  • Torque Rating: Terminal torque rating of 30.978 lb-in for secure, code-compliant conductor termination.
  • Frequency Range: Rated for 50...60 Hz AC/DC applications.
  • Modular Platform: Part of the UltraSafe™ modular fuse-holder range, available in 1, 2, 3, or 4-pole configurations, field-assembled with pin-tie kits, with optional blown-fuse indicator and microswitch remote indication.
  • DIN Rail Mounting: Installs on DIN rail per EN 60715 for fast, standardized panel assembly.

Certifications & Compliance

  • UL Listed, 800VAC / 1000VDC
  • IEC Rated, 750VAC / 750VDC
  • RoHS Compliant

Technical Specifications

  • ROHS Compliant: Yes

Typical Applications

  • Industrial Control Panels and Switchgear
  • DIN Rail Electrical Enclosures
  • Motor Control Centers
  • Commercial and Industrial Power Distribution
  • Machine Builder and OEM Panel Wiring
  • Multi-Pole Fuse Panel Assemblies

Why Mersen?

Mersen's UltraSafe™ fuse holders pair a tough, durable polyamide thermoplastic body with IP20 finger-safe protection, tin-plated copper clip terminals, and a 100kA SCCR to deliver dependable, code-compliant overcurrent protection for demanding industrial environments. Dual UL and IEC voltage ratings, a 690V insulation rating, and DIN rail mounting per EN 60715 make this fuse holder well suited for professional panel builders and OEMs. The modular UltraSafe™ platform, with pole-count flexibility and optional remote blown-fuse indication, gives electrical contractors and panel shops a consistent, RoHS-compliant fuse-holding solution across single- and multi-pole applications.

Manufacturer Resources

Product Specs

Connection/Terminal Type:
Clip
Connection/Terminal Material:
Tin-Plated Copper
Torque Rating:
30.978 lb-in
Ampere Rating:
50 A
ROHS Compliant:
Yes
Frequency (Hz):
50 ... 60 Hz
Rated voltage DC IEC:
750 V
Rated voltage AC UL:
800 V
Conventional Free Air thermal Current With Fuse-Links Ith:
50 A
Number of Poles:
1-Pole
Wiring range:
#2 - #14
Rated Insulation Voltage:
690 V
AC or DC:
AC/DC
Short Circuit Current Rating (SCCR):
100 kA
Installation Mounting:
DIN rail acc. EN 60715
Max Fuse Rating:
50 A
Fuse Installation Method:
Clip-in
Rated voltage DC UL:
1000 V
Design Details:
US14 single pole
Rated voltage AC IEC:
750 V
Fuse Size:
14x51
Rated Impulse Withstand Voltage:
8 kV
Body/Insulating Material:
Polyamide
list_batch:
MERSEN-20260825
Department:
Electrical
Product Group:
Wiring Devices
Product Type:
Fuse Holder

Mersen Z331153 – Frequently Asked Questions

How fast can I get the Mersen Z331153 delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the continental U.S. Need it urgently? Contact Us for expedited shipping options.
Can I return it if it doesn’t work for me?
Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit, reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the Mersen Z331153 come with a warranty?
Absolutely. The Mersen Z331153 is backed by a manufacturer’s warranty. For full warranty terms, check the product documentation or Contact Us.
How do I get technical support or installation help for the Mersen Z331153?
You can call, text, or email our expert support team for fast answers. We’re here to help with product selection, installation tips, and troubleshooting. Contact Us
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