Mersen A50QS High Speed Fuse 200A 500VAC/500VDC Blade Terminal

Mersen A50QS High Speed Fuse 200A 500VAC/500VDC Blade Terminal

Professional High-Speed Electrical Protection with Dual Voltage Rating

The Mersen A50QS high speed fuse delivers reliable electrical protection for demanding applications requiring 200A current rating and dual voltage capability of 500VAC/500VDC. Featuring blade terminal connections with tin-plated brass construction and GMG body insulating material, this Amp-Trap fuse provides professional-grade protection with 50 kA breaking capacity for both AC and DC circuits operating at 50/60 Hz frequency.

Professional Features & Benefits

• 200A Current Rating: Handles high amperage loads while providing precise overcurrent protection for critical electrical systems.
• Dual Voltage Capability (500VAC/500VDC): Versatile protection for both AC and DC applications, reducing inventory requirements and installation complexity.
• 50 kA Breaking Capacity: Superior fault current interruption capability ensures reliable protection even under severe short-circuit conditions.
• High Speed Characteristic: Fast-acting protection minimizes damage to downstream equipment and reduces system downtime during fault conditions.
• Blade Terminal Design: Secure bolted mounting with tin-plated brass terminals ensures reliable connections and corrosion resistance.
• GMG Body Construction: Professional insulating material provides excellent electrical isolation and mechanical durability.
• RoHS Compliant: Meets environmental standards for safe installation in commercial and industrial applications.

Technical Specifications

• Ac Max I R Breaking Capacity I1: 50 kA
• Ac Or Dc: AC/DC
• Ampere Rating: 200 A
• Body Insulating Material: GMG
• Connection Terminal Material: Tin-Plated Brass
• Connection Terminal Type: Blade
• Frequency Hz : 50/60 Hz
• Mounting Method: Bolted
• Product Length: 3.63 in
• Product Weight: 0.41 lb
• Rated Voltage Ac Ul: 500 V
• Rated Voltage Dc Ul: 500 V
• Rohs Compliant: Yes
• Speed Characteristic: High Speed

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
• DC Power Supply Protection
• Variable Frequency Drive Applications
• Battery Backup Systems
• Solar Power Installations
• Critical Infrastructure Protection

Why Choose Mersen Quality?

Mersen high speed fuses deliver proven reliability with RoHS compliant construction and professional-grade materials including tin-plated brass terminals and GMG insulating body. The compact 3.63-inch length and lightweight 0.41 lb design facilitate easy installation while maintaining robust 50 kA breaking capacity for demanding electrical protection applications.