Mersen A155B2D0R0-9R Back-Up R-Rated Medium Voltage Fuse 15500VAC 9R Mounting: Bolted Style: D0R0 Visual…
Alternate Item Number: A155B2D0R0-9R
UPC: 782001359447
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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
- 15.5kV AC maximum voltage rating
- 200A continuous amp rating at 40°C
- 50kA RMS Sym minimum interrupting rating
- R-Rated back-up fuse for motor and MCC short circuit protection
- Bolt-in mounting for direct connection to bus or terminals
- Visual blown-fuse indicator
- 2 Barrel configuration
- UL Recognized (File E93367 and File E191980)
Specifications
AC Voltage Rating | 15500 V |
Application | Short circuit protection of medium voltage motors and motor controllers |
Body Material | GMG |
Brand Name | Mersen |
Connection | Bolted |
Connection Material | Silver-Plated Copper |
Connection Type | Bolted |
Current Rating | 200 A |
Interrupt Rating | 50 kA |
Mounting | Bolt-on |
Mounting Type | Bolted |
Series | Amp-Trap® Bolt-In Series |
Size | 25.1 x 3 x 7.63;637.54 x 76.2 x 193.802 in;mm |
Size | 3 inch diameter |
Special Features | The Amp-Trap Bolt-in series are UL Recognized Bolt-in mounting for direct connection to bus or terminals Current-limiting for superior equipment protection Metal embossed catalog number and manufacturing date for lasting identification Blown-fuse indicator to give positive identification of open fuse Amp-Trap: 3" Barrel 2 lb tripped force - 0.50 Inch |
Standard | UL |
Standard | UL Recognized File E93367 |
Sub Brand | Amp-Trap® |
Type | Back-Up R-Rated Bolt-On Fuses for Motor Protection |
Type of Indicators | Visual Indicator |
Voltage Rating | 15500 VAC |
Package Dimensions (L x W x H) | 25.1 in x 3 in x 7.63 in |
Package Dimensions (L x W x H) | 637.54 mm x 76.2 mm x 193.802 mm |
Package Weight (Imperial) | 29.000 lb |
Package Weight (Metric) | 13.154 kg |
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Fuse Holder UltraSafe™ 800VAC 1000VDC UL Fuse size 14x51 1-Pole Visual Indicator Microswitch Pressure Plate IP20
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POWR-JAW clamps improve the contact between fuse and clip. The unnecessary heat from poor contact due to the loss of spring force in the clips can cause nuisance fuse opening and premature aging of surrounding components. High temperature phenolic resin knob designed for the most severe environments 7 sizes to provide effective coverage. Simple design makes installation easy.
Frequently Asked Questions
What is the voltage rating for the A155B series fuses?
The A155B series fuses have a voltage rating of 15.5kV AC.
What is the interrupting rating for A155B fuses?
The interrupting rating for A155B fuses is 50kA Sym at 15.5kV.
What type of mounting do these fuses use?
These fuses feature bolt-in mounting for direct connection to equipment bus or terminals.
Are these fuses UL Recognized?
Yes, these fuses are UL Recognized with File E93367 and File E191980.
Do these fuses have a blown-fuse indicator?
Yes, a blown-fuse indicator is available for positive identification of an open fuse.
What amp ratings are available for the A155B series?
The A155B series is available in amp ratings of 9X, 12R, 18X, 24X, 32X, and 38X.
What is the continuous amp rating at 40°C for A155B fuses?
Continuous amp ratings at 40°C for A155B fuses range from 200A to 700A.
How many barrels can A155B fuses have?
A155B fuses can have 2, 3, or 4 barrels.
What is the purpose of Mersen R-Rated fuses?
Mersen R-Rated fuses are for short circuit protection of medium voltage motors and MCCs.
What is the diameter of the Amp-Trap 3" Barrel fuses?
The Amp-Trap 3" Barrel fuses have a diameter of 3 inches.
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.