Mersen 30605T Fuse Block 300VAC 300VDC Class T 60A Adder Box with Reinforced Clip
Alternate Item Number: 30605T
UPC: 782001675288
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Overview
- Rated for 300VAC/DC and 60A continuous current
- Adder box configuration for flexible system design up to 600A
- Reinforced clip with high-conductivity copper alloy for reliable contact and cool operation
- Glass-filled polycarbonate (GFPC) insulation with dielectric strength >2500V
- Full barrier design for enhanced pole-to-pole safety in Class T applications
Specifications
AC Voltage Rating | 300 V |
Amperage Rating | 60 A |
Brand Name | Mersen |
Class | Class T |
Connection | Box with Reinforced Clip |
Connection Type | Screw Terminal |
Current Rating | 60A |
DC Voltage Rating | 300 V |
Material | Glass Filled Polycarbonate |
Material | Glass-filled Polycarbonate (GFPC) |
Maximum Operating Temperature | 80 C |
Maximum Operating Temperature | 80 °C |
Mounting | Direct Screw Mount |
Number Of Poles | 1 |
Phase | 1 |
Poles | 1 |
Series | Class T |
Size | 3.37 x 3.6 x 1.47 in |
Size | 85.598 x 91.44 x 37.338 mm |
Special Features | Unique integral DIN-rail adapters for 600V, 30 & 60A blocks Full barrier design (30 & 60A) increases pole to pole safety Unique adder-block design (30 & 60A) for design flexibility Spring reinforcing standard for all 30 & 60A clips Features high conductivity copper alloy fuse clips Cool running high amperage (100 - 600A) connectors Copper connectors available 30 - 600A |
Standard | All fuse blocks meet the requirements of UL 4248 UL listed, guide IZLT, File E52283 UL recognized component guide IZLT2, file E52283 CSA certified class 6225, File 32169 |
Type | UL/CSA Fuse Bases |
Voltage Rating | 300 VAC |
Package Dimensions (L x W x H) | 3.37 in x 3.6 in x 1.47 in |
Package Dimensions (L x W x H) | 85.598 mm x 91.44 mm x 37.338 mm |
Package Weight (Imperial) | 0.100 lb |
Package Weight (Metric) | 0.045 kg |

LS2572-3DIN
POWR-BLOKS power distribution blocks offer a safe, convenient way of splicing cables, providing a fixed junction tap-off point or splitting primary power into secondary circuits. LX2XXX-DIN series offers integral DIN-Rail mount and an optional hinged safety cover. Applications: Typical applications include heating, air conditioning and refrigeration systems, elevator systems, material handling equipment, control panels, motor controls, switchgear, and anywhere power needs to be distributed to more than one load.Frequently Asked Questions
What is the voltage rating for these Class T fuse blocks?
The fuse blocks are rated for 300VAC/DC and 600VAC/DC.
What is the connector torque for 600A, 600V Al/Cu box connectors?
The connector torque for 600A, 600V Al/Cu box connectors is 600 In-lbs.
What is the maximum amperage rating for these Class T fuse blocks?
These Class T fuse blocks accommodate fuses up to 600A.
What is the recommended torque for 30A, 300V box connectors?
The recommended connector torque for 30A, 300V box connectors is 35 In-lbs.
What wire ranges are supported by the 600A, 600V fuse blocks?
The 600A, 600V fuse blocks support (2) 600 kcmil-#2 wire range for both Al/Cu and Cu box connectors.
What types of insulators are used in these fuse blocks?
Insulators are made of durable, glass-filled polycarbonate (GFPC) or phenolic with verified dielectric strength over 2500V.
What wire ranges are supported by the 30A, 300V fuse blocks?
The 30A, 300V fuse blocks support wire ranges from #2-14 for Al/Cu box connectors and #10-14 for Cu screw or pressure plate connectors.
What approvals do these Class T fuse blocks meet?
All fuse blocks meet UL 4248 requirements and are UL listed, UL recognized component, and CSA certified.
What is the SCCR rating for these fuse blocks?
The Short Circuit Current Rating (SCCR) for these fuse blocks is 200kA.
What type of connectors are available for these fuse blocks?
Connectors include box, screw, and pressure plate types, made of high conductivity copper alloy.
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.





