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Mersen F331159 UltraSafe Fuse Holder, 125A 800VAC/1000VDC 1-Pole
The Mersen F331159 UltraSafe Fuse Holder delivers professional-grade circuit protection rated 125A for both 800VAC and 1000VDC applications, making it a versatile choice across AC and DC power systems. This single-pole holder accepts 22x58 fuse links via clip-in installation and includes a built-in visual indicator for fast fuse-status checks. Constructed with polyamide insulation and tin-plated copper terminals, it mounts to standard EN 60715 DIN rail and carries a 100kA short-circuit current rating (SCCR) for demanding industrial and commercial installations.
Key Features
- Fuse Size: Accepts 22x58 fuse links with quick clip-in installation and removal.
- Dual Voltage Capability: Rated for 800VAC and 1000VDC, supporting both AC and DC circuit protection.
- 125A Current Rating: 125A ampere rating with a 125A conventional free air thermal current (Ith) for reliable thermal performance.
- Visual Status Indicator: Built-in indication system provides immediate visual confirmation of fuse condition, reducing troubleshooting time.
- Durable Construction: Polyamide body insulation paired with tin-plated copper clip terminals for long-term electrical isolation and mechanical strength.
- Clip-In Connection: Clip-type terminal design enables fast fuse installation and replacement.
- 100kA Short Circuit Rating: Withstands high fault currents while maintaining system and personnel safety.
- DIN Rail Mounting: Mounts to standard DIN rail per EN 60715 for quick installation in control panels and enclosures.
Certifications & Compliance
- RoHS Compliant
Technical Specifications
- Indication System: Yes
- Rohs Compliant: Yes
Typical 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
Why Mersen?
Mersen UltraSafe fuse holders like the F331159 pair proven single-pole fuse protection with a visual status indicator that speeds up maintenance and troubleshooting on 800VAC/1000VDC systems. Polyamide insulation and tin-plated copper terminals support long-term durability, while a 100kA short-circuit rating and RoHS-compliant construction make this holder a dependable, code-conscious choice for professional electrical installations.
Manufacturer Resources
Product Specs
- 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
- Department:
- Electrical
- Product Group:
- Wiring Devices
- Product Type:
- Fuse Holder