Mersen R227600 Fuse Holder UltraSafe™ 800VAC 800VDC UL Fuse size 27x60 1-Pole Visual Indicator…
Alternate Item Number: US271MI
UPC: 068938395513
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Overview
- Single-pole fuse holder for 27x60mm fuse links with 800VAC/VDC rating
- Visual indicator signals fuse presence and blown fuse conditions
- Integrated auxiliary microswitch enables remote monitoring and fault detection
- IP20 protection grade ensures finger-safe operation during fuse replacement
- Supports direct mounting or DIN-rail installation with modular multi-pole assembly
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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Fuse Holder Modulostar® Size 22x58 IEC 690VAC 690VDC 1-Pole IP20 With Visual Indicator MicroswitchFrequently Asked Questions
What is the maximum voltage rating for this fuse holder?
The R227600 supports a maximum voltage rating of 800VAC and 800VDC.
What is the Short Circuit Current Rating (SCCR) of the R227600?
The R227600 has a Short Circuit Current Rating (SCCR) of 200kA.
What fuse sizes are compatible with the R227600?
The R227600 is designed for 27x60mm fuse links, supporting fuse sizes in that range.
What type of electrical connections does the R227600 use?
The R227600 uses Faston lugs for electrical connections.
Does the R227600 include a visual indicator for fuse status?
Yes, it features a visual indicator that signals fuse presence and blown fuse conditions when used with a striker fuse.
What is the protection rating of the R227600?
The R227600 has an IP20 protection rating, ensuring finger-safe operation during fuse replacement.
Can the R227600 be mounted on a DIN rail?
Yes, the R227600 supports DIN-rail mounting via a unique latching system for easy repositioning.
What applications is the R227600 suitable for?
The R227600 is ideal for protecting small inverters, UPS systems, motor drives, and circuits up to 750 volts requiring high-speed semiconductor fuse protection.
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.


