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Overview
- No-fuse design eliminates need for additional overcurrent protection
- TPMOV® technology for advanced surge suppression
- DIN-rail mountable with compact footprint
- Visual and remote indicators for status monitoring
- High short circuit current rating for industrial reliability
Specifications
Application | Industrial Control Panels Water treatment Smart grid & LV Metering Traffic / ITS applications. Intended for use on a wide range of low voltage applications inside appropriate enclosures |
Connection | Box |
Frequency Rating | 50/60 HZ |
Material | PET (Polyethelene Terphthalate) |
Mounting | DIN Rail |
Operating Temperature, Maximum | 185 F |
Operating Temperature, Maximum | 85 C |
Operating Temperature, Minimum | -40 F |
Operating Temperature, Minimum | -40 C |
Phase | Split Phase |
Response Time | <25 |
Size | 4.19 x 2.07 x 2.81;106.426 x 52.578 x 71.374 in;mm |
Special Features | Designed with industry leading Mersen TPMOV technology Easy installation or retrofit Reversible chassis allows cable entry from top or bottom Replaceable modules with mechanical coding to avoid replacement errors 5-year warranty |
Special Features | Easy installation or retrofit DIN-rail mountable Fail-safe, self-protected design Remote indicator Visual indicator IP20 finger-safe design Small footprint No additional overcurrent protection devices required Easy to replace modules 2-year warranty |
Standard | ANSI/UL 1449 5th Edition, Open Type 1 SPD Listed, File E210793 ANSI/IEEE C62.41.1, C62.41.2, C62.45 CSA C22.2 No. 269 Certified, File 162842 RoHS Compliant |
Standard | ANSI/UL 1449 5th Edition, Type 1 Component Assembly SPD, File E210793 CSA C221331certified Type 4-1, File 80032802 ANSI/IEEE C62.41.1, C62.41.2, C62.45 RoHS Compliant |
Type | DIN-RAIL UL CSA TYPE 1 |
UL SPD Type | Type 1 Component Assembly |
Voltage Rating | 120/208 V |
Package Dimensions (L x W x H) | 4.19 in x 2.07 in x 2.81 in |
Package Dimensions (L x W x H) | 106.426 mm x 52.578 mm x 71.374 mm |
Package Weight (Imperial) | 1.150 lb |
Package Weight (Metric) | 0.522 kg |
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How to Install the STP240SN07 Surge Protective Device
This guide provides step-by-step instructions for installing the STP240SN07 Surge Protective Device (SPD) on a DIN rail, ensuring proper electrical connections and safety measures.
Estimated time: 45m
Tools needed:
Screwdriver, Wire strippers, Multimeter
Supplies needed:
Mounting screws, Terminal connectors
- Confirm system compatibility
Verify that the system voltage and configuration match the specifications of the STP240SN07 SPD.
- Turn off power
Ensure all power supplying the equipment is turned off and confirm that the equipment and all sources are de-energized before proceeding.
- Mount the SPD
Attach the SPD to a 35mm DIN rail by hooking the line side over the rail and pushing the load side until the spring-loaded mounting clip clicks into place.
- Make electrical connections
Connect the electrical wires to the SPD, ensuring that the interconnecting wire is kept at a minimum length and that the bending radius is greater than 100mm (4 inches). Avoid looping or twisting the conductors.
- Verify connections
Use a multimeter to check that all connections are secure and that there are no shorts before restoring power.
- Power on the system
Once all connections are verified, turn the power back on to the system and monitor for any issues.
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.