Mersen UltraSafe™ 3-Pole Fuse ...
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Mersen UltraSafe™ 3-Pole Fuse Holder, 800VAC/1000VDC, IP20

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Model: R331169

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

$289.57
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Mersen UltraSafe™ 3-Pole Fuse Holder, 800VAC/1000VDC, IP20

The Mersen UltraSafe™ Fuse Holder is a finger-safe, IEC IP20-rated modular fuse-holder built for 22x58 fuses in a 3-pole configuration. Rated 800VAC (UL) / 1000VDC (UL) and 690V AC/DC (IEC), with a maximum fuse rating of 125A, this holder combines tough thermoplastic construction with tin-plated copper clip terminals for reliable, code-compliant fuse protection in industrial control and power distribution panels.

Key Features

  • Fuse Size: Accepts standard 22x58 fuses for precise, compatible fuse installation.
  • 3-Pole Design: Triple-pole configuration simplifies multi-phase circuit protection; multi-pole units can be field-assembled with a pin-ties assembly kit.
  • Durable Construction: Body/insulating material is Polyamide thermoplastic for toughness and durability, with tin-plated copper clip terminals.
  • Clip-In Fuse Installation: Clip connection/terminal type allows fast, finger-safe fuse changes without tools.
  • Electrical Ratings: Rated 800V AC (UL) / 1000V DC (UL), 690V AC/DC (IEC), with a max fuse rating of 125A and Ith of 125A at 50...60 Hz.
  • Short Circuit Current Rating: 100 kA SCCR delivers robust protection against fault conditions.
  • Insulation & Impulse Withstand: Rated insulation voltage of 750V with an 8 kV rated impulse withstand voltage for added dielectric margin.
  • Finger-Safe IP20 Protection: IP20 grade of protection under IEC standards keeps live parts finger-safe, even during fuse changes.
  • DIN Rail Mounting: Installs on DIN rail per EN 60715 for fast, standardized panel mounting; accepts optional microswitches for remote blown-fuse indication.
  • Wiring Range: Accommodates 1/0 - #14 AWG conductors, and torque rating is 35.403 lb-in.

Certifications & Compliance

  • ROHS Compliant
  • UL and IEC rated versions available

Technical Specifications

  • Connection/Terminal Type: Clip
  • Connection/Terminal Material: Tin-Plated Copper
  • Torque Rating: 35.403 lb-in
  • Ampere Rating: 125 A
  • ROHS Compliant: Yes
  • Frequency (Hz): 50 ... 60 Hz
  • Rated voltage DC IEC: 690 V
  • Rated voltage AC UL: 800 V
  • Number of Poles: 3-Pole
  • Conventional Free Air thermal Current With Fuse-Links Ith: 125 A
  • Wiring range: 1/0 - #14
  • Rated Insulation Voltage: 750 V
  • AC or DC: AC/DC
  • Short Circuit Current Rating (SCCR): 100 kA
  • Installation Mounting: DIN rail acc. EN 60715
  • Max Fuse Rating: 125 A
  • Fuse Installation Method: Clip-in
  • Rated voltage DC UL: 1000 V
  • Rated voltage AC IEC: 690 V
  • Design Details: triple pole
  • Fuse Size: 22x58
  • Rated Impulse Withstand Voltage: 8 kV
  • Body/Insulating Material: Polyamide

Typical Applications

  • Industrial Control Panels and Switchgear
  • Motor Control Centers and Power Distribution Boards
  • DIN Rail-Mounted Circuit Protection Assemblies
  • Commercial and Industrial Electrical Installations Requiring Finger-Safe Fuse Access
  • Multi-Pole Fuse Protection for AC/DC Circuits

Why Mersen?

Mersen's UltraSafe™ fuse-holders pair tough Polyamide thermoplastic construction with tin-plated copper clip terminals to deliver dependable, code-compliant fuse protection. With an IP20 finger-safe design, 100 kA SCCR, and DIN rail mounting per EN 60715, this 3-pole holder is engineered for reliable performance in demanding industrial power and control applications.

Manufacturer Resources

Product Specs

Connection/Terminal Type:
Clip
Connection/Terminal Material:
Tin-Plated Copper
Torque Rating:
35.403 lb-in
Ampere Rating:
125 A
ROHS Compliant:
Yes
Frequency (Hz):
50 ... 60 Hz
Rated voltage DC IEC:
690 V
Rated voltage AC UL:
800 V
Number of Poles:
3-Pole
Conventional Free Air thermal Current With Fuse-Links Ith:
125 A
Wiring range:
1/0 - #14
Rated Insulation Voltage:
750 V
AC or DC:
AC/DC
Short Circuit Current Rating (SCCR):
100 kA
Installation Mounting:
DIN rail acc. EN 60715
Max Fuse Rating:
125 A
Fuse Installation Method:
Clip-in
Rated voltage DC UL:
1000 V
Rated voltage AC IEC:
690 V
Design Details:
triple pole
Fuse Size:
22x58
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 R331169 – Frequently Asked Questions

How fast can I get the Mersen R331169 delivered?
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Does the Mersen R331169 come with a warranty?
Absolutely. The Mersen R331169 is backed by a manufacturer’s warranty. For full warranty terms, check the product documentation or Contact Us.
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