
Mersen TI-130 The Shawmut Trigger Indicator is a field-mountable blown-fuse indicator which is wired…
Alternate Item Number: 782001909819
UPC: 782001909819
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Overview
- Field-mountable blown-fuse indicator for 130V systems
- Compatible with fuses rated 70A or higher
- Striker pin exerts 1 lb force to actuate external switches
- Eliminates need for resistance or continuity testing
- Compact 2-inch length for easy installation
Specifications
Brand Name | Ferraz Shawmut |
Connection | Ferrule |
Connection Type | Parallel wiring with fuse clips |
Current Rating | 70 A+ |
Mounting | Clip |
Mounting Type | Field-mountable |
Series | Shawmut Trigger Indicator |
Size | 13/32" diameter fuse |
Special Features | The Shawmut Trigger Indicator is a field-mountable blown-fuse indicator which is wired parallel with the fuse to be monitored. The striker pin exerts a static force of one pound and be used to actuate a switch |
Standard | UL Listed JDVS.E90426 |
Type | Blown Fuse Indicators |
Voltage Rating | 130 VAC |
Package Dimensions (L x W x H) | 2 IN x 0.406 IN x 0.406 IN |
Package Dimensions (L x W x H) | 5.08 cm x 10.3124 mm x 10.3124 mm |
Package Weight (Imperial) | 0.050 L |
Package Weight (Metric) | 0.023 kg |

TI-600
The Shawmut Trigger Indicator is a field-mountable blown-fuse indicator which is wired parallel with the fuse to be monitored. The striker pin exerts a static force of one pound and be used to actuate a switch. It is available in 130 volt (TI-130), 600 vo 600 Volts 70A or higher amps.
LRU-263
Littelfuse® fuse reducers allow smaller size fuses to be installed into existing fuse clips to prevent overfusing.
AOS-Q
Add-On-Switches contain one single-pole doublethrow contact rated 4 amperes resistive and 1 ampere inductive at 250V AC maximum. Two versions of the Add-On-Switch are available. Catalog number -Q accommodates quick connects
AOS-S
Add-On-Switches contain one single-pole doublethrow contact rated 4 amperes resistive and 1 ampere inductive at 250V AC maximum. Two versions of the Add-On-Switch are available. Catalog number -S has screw terminalsFrequently Asked Questions
What voltage rating does the TI-130 support?
The TI-130 supports a voltage rating of 0-130 volts.
What fuse amperage is required for TI-130 compatibility?
The TI-130 is designed for use with fuses rated 70 amps or higher.
What is the length of the TI-130 device?
The TI-130 has a length of 2 inches.
How does the TI-130 indicate a blown fuse?
The TI-130 uses a striker pin that exerts a static force of one pound to actuate an external switch or provide visual indication when a fuse blows.
What fuse clip size is required for TI-130 installation?
The TI-130 requires two midget fuse clips for 13/32” diameter fuses.
Can the TI-130 actuate a switch?
Yes, the striker pin on the TI-130 exerts a static force of one pound, which can be used to actuate an external switch for remote annunciation or control actions.
What type of fuses is the TI-130 compatible with?
The TI-130 is primarily compatible with Form 101 semiconductor fuses and some Class L fuses.
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.

