Mersen ST4803PD Surge-Trap® Surge Protective Device is a no-fuse surge suppressor. The Surge-Trap is a…
Alternate Item Number: 782001361655
UPC: 782001361655
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Contact for Pricing
Call +1 (262) 252-1600 (toll-free 877-268-3700) or email [email protected] for pricing and availability.
Overview
- UL 1449 4th Edition Type 1 and 2 compliant modular SPD
- 480V 3-phase Delta system compatibility
- Nominal discharge current rating (In): 10-20kA, surge capacity: 50kA
- Short-circuit current rating (SCCR): 200kA
- DIN-rail mountable with visual and optional remote indicators
Specifications
Application | AC/DC distribution Power supplies Industrial automation Telecommunications Motor controls and starter systems Programmable logic controller (PLC) applications Power transfer equipment HVAC applications AC drives UPS systems Security systems IT / Data centers Medical equipment |
Brand Name | Mersen |
Connection | Box |
Connection Type | DIN-rail mount |
Mounting | DIN-rail |
Mounting Type | DIN-Rail |
Poles | 3P |
Series | Surge-Trap |
Short Circuit Rating | 200 kA |
Short-Circuit Rating | 200 kA |
Special Features | Easy installation or retrofit Din-rail mountable Fail-safe /self-protected design Remote indicator (optional) with 3 pin NO/NC contact IP20 finger-safe design Visual indicator Small foot print No additional overcurrent protection devices needed |
Standard | UL 1449 Third Edition, File No E210793 Type 1 Component Assembly IEC 61643-1 ANSI/IEEE C62.41 CE RoHS compliant |
Sub Brand | Surge-Trap® |
Type | Surge-Trap® SPD |
Voltage Rating | 480 VAC |
Package Dimensions (L x W x H) | 4.88 IN x 2.88 IN x 2.75 IN |
Package Dimensions (L x W x H) | 12.3952 cm x 7.3152 cm x 6.985 cm |
Package Weight (Imperial) | 1.155 L |
Package Weight (Metric) | 0.524 kg |
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Frequently Asked Questions
What is the nominal voltage range for the ST4803PD(M)?
The nominal voltage for the ST4803PD(M) is 480 VAC.
What is the maximum continuous operating voltage for ST4803PD(M)?
The maximum continuous operating voltage (mCOV) for the ST4803PD(M) is 550 VAC.
What is the voltage protection rating (VPR) for ST4803PD(M) L-L?
The voltage protection rating (VPR) for ST4803PD(M) between lines is 3000 VAC.
What is the nominal discharge current rating (In) for ST4803PD(M)?
The nominal discharge current rating (In) for the ST4803PD(M) is 20 kA.
What type of surge protection does the Surge-Trap modular SPD offer?
The Surge-Trap modular SPD features mersen’s patented TPmoV® technology for fail-safe surge suppression.
What is the short-circuit current rating (SCCR) for this SPD?
The Surge-Trap modular SPD has a high short-circuit current rating (SCCR) of 200 kA.
Does this SPD require additional overcurrent protection devices?
No, the thermally protected MOV inside the Surge-Trap modular SPD eliminates the need for additional overcurrent protection devices.
How is the Surge-Trap modular SPD mounted?
The Surge-Trap modular SPD is DIN-rail mountable, specifically on a 35mm DIN-Rail.
What is the operating temperature range for this device?
The operating and storage temperature range for the Surge-Trap modular SPD is – 40ºC to + 85ºC.
What is the response time of the Surge-Trap modular SPD?
The response time for the Surge-Trap modular SPD is less than 25 ns.
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.