Mersen UltraSafe Fuse Holder 125A 800VAC/1000VDC 22x58 1-Pole with Visual Indicator

Mersen UltraSafe Fuse Holder 125A 800VAC/1000VDC 22x58 1-Pole with Visual Indicator

Professional UltraSafe Fuse Protection with Visual Status Indication

The Mersen UltraSafe Fuse Holder delivers reliable circuit protection with 125A capacity, supporting both 800VAC and 1000VDC applications. This single-pole unit accommodates 22x58 fuse sizes with clip-in installation and features an integrated visual indicator for immediate fuse status monitoring. Built with polyamide insulation and tin-plated copper terminals, this DIN rail mountable holder provides professional-grade protection for demanding electrical systems.

Professional Features & Benefits

• 125A Current Rating: Handles high-current applications with reliable thermal performance and consistent protection.
• Dual Voltage Capability: Supports 800VAC and 1000VDC systems for versatile installation flexibility across AC and DC applications.
• Visual Status Indicator: Provides immediate visual confirmation of fuse condition, reducing troubleshooting time and improving system monitoring.
• UltraSafe Design: Enhanced safety features with IP20 protection and pressure plate construction for secure fuse retention.
• DIN Rail Mounting: Standard EN 60715 DIN rail compatibility enables quick installation in control panels and electrical enclosures.
• 100kA Short Circuit Rating: Withstands high fault currents while maintaining system integrity and personnel safety.
• Polyamide Construction: Durable insulating material provides excellent electrical isolation and mechanical strength.

Technical Specifications

• Ac Or Dc: AC/DC
• Ampere Rating: 125 A
• Body Insulating Material: Polyamide
• Connection Terminal Material: Tin-Plated Copper
• Connection Terminal Type: Clip
• Conventional Free Air Thermal Current With Fuse Links Ith: 125 A
• Design Details: single pole
• Frequency Hz : 50 ... 60 Hz
• Fuse Installation Method: Clip-in
• Fuse Size: 22x58
• Indication System: Yes
• Indication System Type: Visual Indicator
• Installation Mounting: DIN rail acc. EN 60715
• Max Fuse Rating: 125 A
• Number Of Poles: 1-Pole
• Product Height: 5.02 in
• Product Length: 3.01 in
• Product Weight: 0.478 lb
• Product Width: 1.38 in
• Rated Impulse Withstand Voltage: 8 kV
• Rated Insulation Voltage: 750 V
• Rated Voltage Ac Iec: 690 V
• Rated Voltage Ac Ul: 800 V
• Rated Voltage Dc Iec: 690 V
• Rated Voltage Dc Ul: 1000 V
• Rohs Compliant: Yes
• Short Circuit Current Rating Sccr : 100 kA
• Torque Rating: 35.403 lb-in
• Wiring Range: 1/0 - #14

Installation & Operation

1. Mount the unit in a suitable location with appropriate clearance and access for connections and service.
2. Connect utility and load conductors following applicable guidelines and the manufacturer's instructions.
3. Wire generator or power input according to the provided voltage/phase specifications and compatible capacity.
4. Configure any available load management or control features as supported by the provided specifications.
5. Test automatic transfer or operational functionality and verify proper performance before placing into service.
6. Complete final inspection and follow ongoing maintenance practices appropriate to the product category.

Professional Applications

• Industrial Control Panels and Motor Control Centers
• Commercial Power Distribution Systems
• Renewable Energy and Solar Power Systems
• Manufacturing Equipment Protection
• Data Center and Telecommunications Infrastructure
• Process Control and Automation Systems
• Emergency Power and UPS Applications

Why Choose Mersen Quality?

Mersen UltraSafe fuse holders combine proven reliability with advanced safety features, backed by RoHS compliance and professional-grade construction. The polyamide insulation and tin-plated copper terminals ensure long-term performance, while the visual indicator system provides immediate status feedback for enhanced system monitoring and maintenance efficiency.