Mersen R227600 - Fuse Holder UltraSafe™ 800VAC 800VDC UL Fuse size 27x60 1-Pole Visual Indicator Microswitch Faston Lugs IP20
Mersen

R227600

Alternate Item Number: US271MI

UPC: 068938395513

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Minimum Qty: 3

Multiplier: 3

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Overview

The Mersen R227600 is a single-pole UltraSafe™ fuse holder designed for 27x60mm fuse links, offering robust protection and operational flexibility for industrial applications. Engineered to meet stringent IEC and UL standards, this fuse holder provides finger-safe operation with an IP20 grade of protection, ensuring user safety during fuse replacement. The holder features a visual indicator that signals fuse presence and, when used with a striker fuse, indicates a blown fuse condition. For enhanced system monitoring, an auxiliary microswitch is integrated, allowing for remote indication of fuse status. This capability is crucial for automated systems and control panels where immediate fault detection is paramount. The Mersen R227600 supports a maximum voltage rating of 800VAC and 800VDC, with a maximum amperage rating of 50A for 14x51mm fuses and 125A for 22x58mm fuses (though this specific model is for 27x60mm fuse links, implying compatibility with fuses in that size range). It boasts a high Short Circuit Current Rating (SCCR) of 200kA, providing reliable protection against overcurrent and short-circuit events. The fuse holder is constructed from durable thermoplastic or thermoset material, ensuring longevity in demanding environments. Installation is versatile, with options for direct mounting using M4 screws (torque 1-1.2Nm) or DIN-rail mounting via a unique latching system that allows for easy repositioning. The modular design facilitates field assembly into multi-pole units using available assembly kits. Connection is made via Faston lugs. Applications include the protection of small inverters, UPS systems, motor drives, and other circuits up to 750 volts where high-speed semiconductor fuse protection is required. It also serves as a no-load disconnect. Approvals include UL Recognized Component (File E52283) and CSA Certified (File 32169), adhering to UL4248 and IEC 60269-1, 60947-3 standards. The Mersen R227600 is a compact, reliable, and safe solution for critical circuit protection.
  • Finger-safe operation with IP20 protection for 27x60mm fuse links
  • Integrated visual indicator for fuse presence and blown fuse status
  • Auxiliary microswitch for remote blown fuse indication
  • Rated for 800VAC/VDC and 200kA SCCR
  • Faston lug connections for easy wiring

Specifications

AC Voltage Rating
800 V
Amperage Rating
140 A
Application
All circuits up to 800V using semiconductor fuses for protection of small inverters, UPS systems, motor drives, etc. Non-load operation
Brand Name
Mersen
Connection
Faston Lugs
Connection Type
Faston Lugs
DC Voltage Rating
800 V
IP Rating
IP20
Material
Thermoplastic / Thermoset
Maximum Operating Temperature
60 C
Minimum Operating Temperature
-25 C
Mounting
DIN rail acc. EN 60715
Number Of Poles
1
Operating Temperature, Maximum
140 F
Operating Temperature, Minimum
-13 F
Phase
1
Poles
1-pole
Series
Modulostar
Size
3.68 x 1.57 x 5.88;93.47 x 39.88 x 149.35 in;mm
Size
27x60
Special Features
Finger safe Degree of protection: IP20 Optional visual blown fuse indicator & microswitch Designs available for DIN rail mounting and direct mounting on board Modular design Multi-pole assembly kit available Plastic material UL94V2 mini Flame retardant materials with glow wire flammability index to 960°C
Standard
IEC 60269-2 and IEC 60947-3 Compliance UL4248-1 Compliant RoHS Compliant Plastic material: NF 16101 & 16102 Requirement 2 Compliant CCC (screw terminal connection only)
Sub Brand
Modulostar®
Type
UL/CSA Fuse Holders
Voltage Rating
690 VAC
Voltage Rating
800 VAC / 800 VDC
Package Dimensions (L x W x H)
3.68 in x 1.57 in x 5.88 in
Package Dimensions (L x W x H)
93.47 mm x 39.88 mm x 149.35 mm
Package Weight (Imperial)
0.668 lb
Package Weight (Metric)
0.303 kg
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Frequently Asked Questions about Mersen

What industries and applications are Mersen products used for?

Mersen products are used across diverse industrial sectors including solar power, electric vehicles, buildings/construction, industrial automation, power distribution, HVAC, elevators, telecommunications, and specialty manufacturing. Key application areas include circuit protection, surge protection, battery module protection, electrical safety systems, and power management for residential, commercial, and utility-scale installations.

What are the main product lines offered by Mersen?

Mersen offers five primary electrical power product lines: IEC and UL/CSA Fuses and Fusegear, Surge Protection, Low Voltage Disconnect Switches, Power Distribution Blocks, and Engineered Solutions. Their comprehensive range includes specialized components like high-speed fuses, modular fuse holders, surge arresters, and custom-engineered electrical protection systems for industrial and power management applications.

What are the key features of Mersen products?

Mersen products feature advanced electrical protection and power management solutions with key characteristics including finger-safe design, compact modularity, and high-performance safety features. Their product lines span electrical power components like fuses, surge protection, power distribution blocks, and specialized solutions for industrial, solar, and building applications. Critical features include UL/CSA approvals, high short-circuit current ratings, and innovative technologies like the Fuse Control™ program that minimize electrical risks and optimize system performance.

What environmental ratings do Mersen products have?

Mersen products meet rigorous environmental ratings across multiple standards, including UL 508A Type 1, 2, 3, 4, 4X, 12, and 13, CSA Type 1, 2, 3, 4, 4X, 12, and 13, and NEMA Type 1, 2, 3, 4, 4X, 12, and 13. They feature IEC 60529 IP66 protection, with enhanced UV inhibitors for outdoor weathering and operating temperatures ranging from -40°C to 130°C (-40°F to 266°F). These ratings ensure superior protection in wet, corrosive, and challenging industrial environments.

What accessories are available for Mersen products?

Mersen offers multiple accessories for their fuse blocks and systems, including safety pullers (DFC3M and DFC3LP), DIN-rail adapters (DRM), bus bars, auxiliary contacts, and specialized mounting hardware. Key accessories include the DFC3M safety puller for 1-1/2" x 13/32" midget or Class CC fuses, the DRM adapter for mounting 303 series fuse blocks on DIN-rail, and UltraSafe fuse module accessories like bus bars and auxiliary contacts that enable module interconnection and monitoring.

How are Mersen products typically installed?

Mersen products are typically installed in electrical distribution systems, control panels, and industrial automation environments using multiple mounting options. These include service entrance panel mounting, distribution panel installation, control panel DIN rail mounting, and custom engineered solutions like Fused Coordination Panelboards. Installation depends on the specific product type, such as fuses, surge protective devices, or switches, and is designed to provide electrical protection and circuit safety in various industrial and commercial applications.

What certifications and standards do Mersen products comply with?

Mersen products are certified to multiple international standards, including UL (Underwriters Laboratories), CSA (Canadian Standards Association), CCC (China Compulsory Certification), and EAC (Eurasian Conformity). Our products meet rigorous safety and performance standards for industrial applications across North America, China, Russia, and other global markets, ensuring compliance and reliability in electrical power and advanced materials solutions.

What technical support does Mersen offer?

Mersen provides comprehensive technical support through multiple channels, including technical experts located in your time zone who can assist with product selection, application guidance, and troubleshooting. Their Fuse Control™ program offers a free Fuse Inventory Audit & Analysis, and customers can access technical resources through their sales representatives and online platform ep.mersen.com.