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Mersen H1062722 - Fuse Holder IEC+UL/CSA Modulostar® Size 10x38 800VAC UL 1000VDC UL N IP20 DIN Rail mounting
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Mersen H1062722 Fuse Holder IEC+UL/CSA Modulostar® Size 10x38 800VAC UL 1000VDC UL N IP20 DIN Rail…

Alternate Item Number: CUS10N


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Specification Sheet

Contact for Pricing

Minimum Qty: 12

Multiplier: 12

*Contact for lower quantities*

Call +1 (262) 252-1600 (toll-free 877-268-3700) or email [email protected] for pricing and availability.

Overview

The Mersen CUS101HEL (SKU H1062722) is a single-pole modular fuse holder designed for 10x38mm cylindrical fuse links, specifically for gPV applications up to 1000VDC. This fuse holder is part of the Modulostar® range, offering finger-safe protection with an IP20 degree of protection, compliant with IEC and UL standards. It features DIN rail mounting to EN 60715 for straightforward installation in control panels and combiner boxes. The CUS101HEL supports a conventional free air thermal current (Ith) of 32A and has a rated insulation voltage (Ui) of 1000V. Its operating temperature range is -40°C to 70°C. The fuse holder is constructed from flame-retardant materials with a glow wire flammability index to 960°C. Optional visual blown fuse indication is available. The maximum tightening torque for connections is 2Nm. This product is ideal for photovoltaic string/array level protection and combiner box applications, providing reliable fuse protection in demanding electrical systems. Mersen reserves the right to change product specifications.
  • Designed for 10x38mm cylindrical fuse links (gPV)
  • Rated for 800VAC and 1000VDC
  • IP20 degree of protection for finger-safe operation
  • DIN rail mounting to EN 60715
  • Modular design with optional visual blown fuse indicator

Specifications

AC Voltage Rating
800 V
Amperage Rating
32 A
Application
All circuits up to 690V for protection of motors, transformers, low voltage distribution, control circuits, drive protection Non-load operation
Brand Name
Mersen
DC Voltage Rating
1000 V
IP Rating
IP20
Material
Thermoplastic/Thermoset
Maximum Operating Temperature
70 C
Minimum Operating Temperature
-40 C
Mounting
DIN rail acc. EN 60715
Mounting Type
DIN Rail
Number of poles
1
Operating Temperature, Maximum
158 F
Operating Temperature, Minimum
-40 F
Poles
4
Series
Modulostar CUS10
Size
2.41 x 0.69 x 3.12;61.1 x 17.5 x 79.3 in;mm
Size
10X38mm
Special Features
Modular design Compact design for space saving DIN rail mounting Degree of protection: IP20 Finger safe Easy access to the fuse Lockable without accessory Sealable in closed & open position Optional visual blown fuse indicator Multi-pole assembly kit available Plastic material UL94V2 mini Plastic material R22HL2 for railway application Flame retardant materials with glow wire flammability index to 960°C Schock and vibration tested for marine and railway applications
Standard
UL Recognized Component, UL4248, guide IZLT2 CSA Component acceptance C22.2 IEC 60269-2 and IEC 60947-3 RoHS, Reach compliant Marine certificates
Sub Brand
Modulostar®
Type
IEC+UL/CSA Fuse Holders
Voltage Rating
800VAC/1000VDC
Package Dimensions (L x W x H)
2.41 in x 0.69 in x 3.12 in
Package Dimensions (L x W x H)
61.1 mm x 17.5 mm x 79.3 mm
Package Weight (Imperial)
0.106 lb
Package Weight (Metric)
0.048 kg
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Frequently Asked Questions

What is the degree of protection for Modulostar CUS10 fuse holders?

Modulostar CUS10 fuse holders have a degree of protection of IP20, making them finger-safe under IEC standards.

What type of fuses are compatible with Modulostar CUS10 fuse holders?

Modulostar CUS10 fuse holders are designed for use with Mersen midget fuses and cylindrical fuse links of size 10x38mm.

What are the UL ratings for Modulostar CUS10 fuse holders?

The UL ratings for these fuse holders are 800 VAC at 32 A with a 200 kA SCCR, and 1000 VDC at 32 A with a 100 kA SCCR.

What is the maximum current rating for Modulostar CUS10 fuse holders?

The Modulostar CUS10 fuse holders have a maximum current rating of 32 A.

How are Modulostar CUS10 fuse holders mounted?

These fuse holders are designed for installation on DIN rails according to EN 60715 standards.

What is the operating temperature range for these fuse holders?

The operating temperature range is -40°C to 70°C with carrier operation, and -50°C to 90°C without carrier operation.

Can multi-pole units be assembled in the field?

Yes, multi-pole units can be field assembled by ordering a pin-ties assembly kit.

What is the maximum tightening torque for the connections?

The maximum tightening torque for the connections is 2 Nm (17.7 lbs.-in).

What wire sizes can be connected to the fuse holders?

The fuse holders can accommodate rigid or multistrand wire from 1-16mm² (18-6AWG), with a maximum of 2x6mm².

What are the IEC voltage ranges for AC and DC?

The IEC voltage ranges are 690 to 1000 VAC and 690 to 1000 VDC.

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.