Mersen M200U12 - UL 98 Non-Fusible Switch 600VAC 200A 3-Pole Configuration: 1-2
Mersen

M200U12

Alternate Item Number: M200U12

UPC: 782001462604

Contact for Pricing

Overview

The Mersen M200U12 is a UL 98 non-fusible disconnect switch designed for reliable power circuit control. This 3-pole unit operates at 600VAC and handles a maximum current of 200A. Engineered to meet the UL98 standard, it is capable of making and breaking power circuits under load, ensuring safe operation in demanding industrial environments. Mersen disconnect switches are recognized for their durability and versatility, incorporating the latest advancements in disconnect switch technology. The M200U12 is tested and approved for critical applications, including use as a Service Entrance disconnect, providing a robust and dependable solution for power isolation and control. Its heavy-duty construction ensures longevity and consistent performance, making it a trusted choice for electricians and facility managers seeking dependable load-breaking capabilities. The M200U12 offers a secure and efficient method for isolating electrical loads, crucial for maintenance, safety procedures, and operational flexibility in various industrial settings. Its adherence to UL 98 standards signifies a commitment to safety and performance, making it suitable for applications where circuit interruption under load is a requirement. The 3-pole configuration allows for the disconnection of all phases of a three-phase power system simultaneously, enhancing safety and preventing single-phased conditions.
  • UL 98 Non-Fusible Disconnect Switch
  • 600VAC Operating Voltage
  • 200A Current Rating
  • 3-Pole Configuration
  • Reliable Power Circuit Control

Specifications

AC Voltage Rating
600 V
Amperage Rating
200 A
Application
Service entrance or main panel disconnects “Make and break” power circuit applications on load Electrical isolation Safety switch
Brand Name
Mersen
Connection
Terminal
Connection Type
Screw Terminal
Current Rating
200 A
DC Voltage Rating
250 V
Material
Heavy-duty construction
Maximum Operating Temperature
40 C
Minimum Operating Temperature
-5 C
Mounting Type
Direct Screw Mount
Number Of Poles
3
Poles
3-pole
Poles
3
Series
M200U
Size
6.69 x 6.67 x 2.76 in
Size
169.926 x 169.418 x 70.104 mm
Special Features
Service entrance rated Front or side operation Most compact size Internally mounted auxiliary contacts Flange mounting accessories Flexible mounting Adjustable shaft depth
Standard
All UL switches meet the requirements of UL and CSA UL listed guide WHTY, File E191605 for UL 98 (ratings from 30 A to 1200 A) IEC 60947-3
Type
UL 98 Non Fusible
Voltage Rating
600VAC
Package Dimensions (L x W x H)
6.69 in x 6.67 in x 2.76 in
Package Dimensions (L x W x H)
169.926 mm x 169.418 mm x 70.104 mm
Package Weight (Imperial)
3.470 lb
Package Weight (Metric)
1.574 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.