Mersen Class L Time-Delay Fuse...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$1,753.10
$1,703.10

Mersen Class L Time-Delay Fuse 800A 600VAC/500VDC Blade Terminal Amp-Trap 2000

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Model: A4BQ800

In Stock (leaves warehouse same day if ordered before 3pm ET)

$1,753.10
$1,703.10
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Mersen Class L Time-Delay Fuse 800A 600VAC/500VDC Blade Terminal Amp-Trap 2000

Professional High-Amperage Circuit Protection with Time-Delay Characteristics

The Mersen Class L Time-Delay Fuse delivers reliable circuit protection for high-amperage applications requiring 800A capacity. Engineered with dual voltage ratings of 600VAC and 500VDC, this professional-grade fuse features blade terminal connections with silver-plated copper construction and GMG body insulating material for superior performance and durability in demanding electrical environments.

Professional Features & Benefits

  • 800A High-Amperage Rating: Provides robust circuit protection for heavy-duty electrical systems and industrial applications requiring substantial current capacity.
  • Class L Time-Delay Design: Offers selective coordination and withstands temporary overloads while providing fast clearing on short circuits for optimal system protection.
  • Dual Voltage Capability: Supports both 600VAC and 500VDC applications, delivering versatile protection across AC and DC electrical systems.
  • 200kA Breaking Capacity: Delivers exceptional fault current interruption capability for high-fault current applications and enhanced system safety.
  • Silver-Plated Copper Terminals: Ensures reliable electrical connections with superior conductivity and corrosion resistance for long-term performance.
  • Blade Terminal Configuration: Provides secure bolted mounting with efficient heat dissipation and easy installation in compatible fuse holders.
  • RoHS Compliant Construction: Meets environmental standards while maintaining professional-grade electrical performance and reliability.

Technical Specifications

  • Ac Max I R Breaking Capacity I1: 200 kA
  • Ac Or Dc: AC/DC
  • Ampere Rating: 800 A
  • Body Insulating Material: GMG
  • Connection Terminal Material: Silver-Plated Copper
  • Connection Terminal Type: Blade
  • Frequency Hz : 50/60 Hz
  • Fuse Class: Class L
  • Mounting Method: Bolted
  • Product Length: 8.63 in
  • Product Weight: 3.77 lb
  • Rated Voltage Ac Ul: 600 V
  • Rated Voltage Dc Ul: 500 V
  • Rohs Compliant: Yes
  • Speed Characteristic: Time Delay

Installation & Operation

  1. Mount the unit in a suitable location with appropriate clearance and access for connections and service.
  2. Connect utility and load conductors following applicable guidelines and the manufacturer's instructions.
  3. Wire generator or power input according to the provided voltage/phase specifications and compatible capacity.
  4. Configure any available load management or control features as supported by the provided specifications.
  5. Test automatic transfer or operational functionality and verify proper performance before placing into service.
  6. Complete final inspection and follow ongoing maintenance practices appropriate to the product category.

Professional Applications

  • Industrial Motor Control Centers
  • Commercial Power Distribution Systems
  • Manufacturing Facility Protection
  • Heavy Equipment Circuit Protection
  • Data Center Power Systems
  • Large HVAC System Protection
  • Emergency Power Distribution

Why Choose Mersen Quality?

Mersen delivers proven reliability in high-amperage circuit protection with RoHS compliant construction and professional-grade materials. The silver-plated copper terminals and GMG insulating material ensure long-term durability and consistent performance in demanding electrical applications.

Manufacturer Resources

Product Specs

Ac Max I R Breaking Capacity I1:
200 kA
Ac Or Dc:
AC/DC
Ampere Rating:
800 A
Body Insulating Material:
GMG
Connection Terminal Material:
Silver-Plated Copper
Connection Terminal Type:
Blade
Frequency Hz :
50/60 Hz
Fuse Class:
Class L
Mounting Method:
Bolted
Product Length:
8.63 in
Product Weight:
3.77 lb
Rated Voltage Ac Ul:
600 V
Rated Voltage Dc Ul:
500 V
Rohs Compliant:
Yes
Speed Characteristic:
Time Delay

Mersen A4BQ800 – Frequently Asked Questions

How fast can I get the Mersen A4BQ800 delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the continental U.S. Need it urgently? Contact Us for expedited shipping options.
Can I return it if it doesn’t work for me?
Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit, reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the Mersen A4BQ800 come with a warranty?
Absolutely. The Mersen A4BQ800 is backed by a manufacturer’s warranty. For full warranty terms, check the product documentation or Contact Us.
How do I get technical support or installation help for the Mersen A4BQ800?
You can call, text, or email our expert support team for fast answers. We’re here to help with product selection, installation tips, and troubleshooting. Contact Us
Why buy the Mersen A4BQ800 from ZenSupply?
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