Mersen SA180 - Mersen has a wide range of shafts to fit our wide range of handles. Different handles require different shafts. The end of the shaft interlocks with the handle to keep the door from opening when the switch is in the ‘ON’ position. They also come different lengths to conform to enclosures with different depths. selector style 180 mm long.
Mersen

SA180

Alternate Item Number: 3605340559101

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Overview

The Mersen SA180 Shaft (SKU: SA180) is a 180mm selector-style shaft designed for door interlocking mechanisms in industrial electrical enclosures and control systems. Manufactured by Mersen, a trusted leader in electrical protection and power management, this shaft ensures enclosure doors remain securely locked when associated electrical switches are in the 'ON' position, preventing accidental access to live components. The SA180 is part of Mersen's comprehensive shaft range, engineered to integrate seamlessly with their handles, including the HR80, HR95, HR125, HR145, HR274, and HR330 series, as well as the HSBPDM, HSBWDM, HSRPDM, and HSRWDM selector handles. The 180mm length is optimized for enclosures of moderate depth, providing sufficient reach for effective interlocking without unnecessary complexity. The shaft's end interlocks securely with compatible Mersen handles, creating a reliable physical barrier that enforces safety protocols. This shaft is ideal for applications in industrial automation, power distribution, machinery safety, telecommunications, and renewable energy systems. Its robust construction ensures longevity and consistent performance in demanding environments. The SA180 shaft is manufactured in the US and carries the UNSPSC code 39122233.
  • 180mm selector-style shaft for door interlocking
  • Compatible with Mersen HR80, HR95, HR125, HR145, HR274, HR330 handles and selector handles
  • Secure interlocking mechanism prevents door opening when switch is ON
  • Optimized for enclosures of moderate depth
  • Manufactured in the US with UNSPSC code 39122233

Specifications

Application
for use with Mersen switches
Brand Name
Ferraz Shawmut
Series
SA
Size
180 mm
Special Features
Mersen has a wide range of shafts to fit our wide range of handles. Different handles require different shafts. The end of the shaft interlocks with the handle to keep the door from opening when the switch is in the ‘ON’ position. They also come different lengths to conform to enclosures with different depths.
Standard
UL98 recognized to E191605
Type
Accessories for Switches
Voltage Rating
600 VAC
Package Dimensions (L x W x H)
7.09 IN x 0.24 IN x 0.24 IN
Package Dimensions (L x W x H)
18.0086 cm x 6.096 mm x 6.096 mm
Package Weight (Imperial)
0.110 L
Package Weight (Metric)
0.050 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.