Mersen A70P250-4 High Speed Fuse Amp-Trap® A70P 700VAC 650VDC 250A Bolted Blade
Alternate Item Number: A70P250-4
UPC: 782001947316
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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
- Form 101 bolted blade fuse rated 250A, 700VAC/650VDC
- Very fast-acting, current-limiting design with low I²t for superior component protection
- 100kA interrupting rating for both AC and DC applications
- Controlled arc voltage reduces stress on circuit components during clearing
- L/R of 10ms; suitable for DC drives, UPS systems, and reduced voltage motor starters
Specifications
AC Voltage Rating | 700 V |
Amperage Rating | 250 A |
Application | Protection of 700V or less DC drives, UPS, inverters, reduced voltage starters, etc. |
Brand Name | Mersen |
Case | GMG |
Case Material | GMG |
Connection | Blade |
Connection Type | Bolted Blade |
Current Rating | 250A |
DC Voltage Rating | 650 V |
Mounting | Bolted |
Mounting | Bolt |
Mounting Type | Bolted Blade |
Series | A70P |
Series | A70P Amp-Trap® Form 101 |
Size | 5.09 x 2 in |
Size | 129.286 x 50.8 mm |
Size | 5.09 x 2;129.286 x 50.8 in;mm |
Special Features | Low I2t minimizes damage to protected components on short circuit Controlled arc voltage reduces stress to circuit components during fuse clearing Choice of mounting types helps in equipment design |
Standard | UL recognized component UL File E60314 AC: guide no. JFHR2 (10-1000A) DC: tested to UL standard 198L parameters (10-800A) |
Sub Brand | Amp-Trap® |
Type | Round Body High-Speed Fuse-Links AC Protection |
Voltage Rating | 700 V V |
Voltage Rating | 700 V |
Package Dimensions (L x W x H) | 5.09 in x 2 in x 2 in |
Package Dimensions (L x W x H) | 129.286 mm x 50.8 mm x 50.8 mm |
Package Weight (Imperial) | 0.950 lb |
Package Weight (Metric) | 0.431 kg |
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Frequently Asked Questions
What is the voltage rating for A70P fuses?
The A70P fuses have a voltage rating of 700VAC and 650VDC.
What is the ampere range for A70P fuses?
The ampere range is 10 to 1000A for AC and 10 to 800A for DC.
What is the interrupting rating (I.R.) for A70P fuses?
The interrupting rating is 100kA I.R. AC and 100kA I.R. DC.
Are A70P fuses UL recognized?
Yes, A70P fuses are UL recognized components. For AC, they are guide no. JFHR2 (10-1000A), and for DC, they are tested to UL standard 198L parameters (10-800A).
What are the main applications for A70P fuses?
They are used for protection of 700V or less DC drives, UPS, inverters, and reduced voltage starters.
What are the key features of A70P fuses?
Key features include low I2t, controlled arc voltage, and availability in various mounting types.
What applications are A70P fuses typically used for as replacements?
A70P fuses are very popular and typically used for replacement in applications like higher voltage AC and DC drives, UPS systems, and reduced voltage motor starters.
What does the 'P250-4' in the catalog number signify?
The 'P250' indicates the ampere rating (250A), and '-4' signifies the mounting type, which is blades, bolt-in.
What is the purpose of the 'TI' option in catalog numbers?
The 'TI' option indicates that the fuse has an integral blown-fuse indicator.
What is the purpose of the 'TA' option in catalog numbers?
The 'TA' option indicates that the fuse has a trigger actuator.
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.