Mersen GPM-WT90 - Fuse Block 600VAC 600VDC 30A 1/4in Quick Connect / Solder 90 angle Water-tight Screw Knob Panel Mount
Mersen

GPM-WT90

Alternate Item Number: GPM-WT90

UPC: 782001323943

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Minimum Qty: 10

Multiplier: 10

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Overview

The Mersen GPM-WT90 is a high-reliability, water-tight panel mount fuse holder designed for 30A applications with 600VAC/DC ratings. This 90° right-angle fuse block accommodates 1-1/2" x 13/32" midget fuses and features 1/4" quick-connect/solder terminals for secure, vibration-resistant connections. Constructed with glass-filled polyester (PET) insulators, the GPM-WT90 delivers superior dielectric strength and mechanical durability, ensuring long-term performance in harsh industrial environments. Key specifications include a maximum current rating of 30A, short-circuit current rating (SCCR) of 100kA for midget fuses, and compliance with UL Recognized (guide IZLT2, File E52283) and CSA Certified (C22.2, class 6225, File 32169) standards. The water-tight screw knob design prevents moisture ingress, making it ideal for outdoor enclosures, marine applications, and wet or dusty industrial settings. The patented design allows the same fuse holder body to accept either screw or bayonet knobs, providing installation flexibility without compromising performance. The flange design enables both front and rear panel mounting, simplifying integration into existing systems. Compatible with Mersen ATQ, ATM, TRM, OTM, GGU, A13X-2, A25Z-2, A60Q-2, and A6Y-2B fuse types, the GPM-WT90 ensures broad compatibility with standard industrial fuse offerings. Engineered for trouble-free installation and maintenance, this fuse block reduces downtime in critical applications such as power distribution, control panels, and machinery protection systems. Its robust construction and compliance with stringent safety standards make it a trusted choice for engineers and technicians prioritizing reliability and compliance in their designs.
  • 30A rated fuse holder for 600VAC/DC applications
  • Water-tight screw knob design for moisture resistance
  • 90° right-angle configuration with 1/4" quick-connect/solder terminals
  • Accepts 1-1/2" x 13/32" midget fuses (Class CC compatible)
  • UL Recognized and CSA Certified for global compliance
  • Front or rear panel mounting with flange design
  • SCCR: 100kA for midget fuses
  • Glass-filled polyester (PET) insulators for durability

Specifications

AC Voltage Rating
600 V
Amperage Rating
30 A
Application
Panel Mount Fuse Holders
Brand Name
Mersen
Class
Midget
Connection
1/4in Quick Connect / Solder, Right Angle
Connection Type
Quick Connect / Solder
Current Rating
30A
DC Voltage Rating
600 V
Material
Thermoplastic
Material
Glass-filled polyester
Maximum Operating Temperature
80 C
Mounting
Panel Mount
Mounting Type
Panel Mount 90 angle Water-tight Screw Knob
Number Of Poles
1
Phase
1
Series
GPM
Size
2.11 x 1.13 x 1.13 in
Size
53.594 x 28.702 x 28.702 mm
Size
5x20 mm, 1/4"x1-1/4", Class CC and Midget (1-1/2"x13/32")
Special Features
Patented design allows same body to accept screw or bayonet knob Flange design allows front or rear mounting.
Standard
UL Recognized, guide IZLT2, File E52283 CSA Certified - C22.2, class 6225, File 32169
Type
Miniature Fuse Bases & Holders
Voltage Rating
600 VAC
Package Dimensions (L x W x H)
2.11 in x 1.13 in x 1.13 in
Package Dimensions (L x W x H)
53.594 mm x 28.702 mm x 28.702 mm
Package Weight (Imperial)
0.065 lb
Package Weight (Metric)
0.029 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.