The Mersen A50QS700-4 is a high-speed Amp-Trap® fuse designed for the protection of sensitive power electronics in industrial, commercial, and traction or DC drive applications. Rated at 700 Amps, this fuse provides extremely fast fault clearing to protect semiconductors and critical electronic components from damage caused by short-circuit and overcurrent conditions. With voltage ratings of 500VAC and 500VDC, it is engineered for high-performance electrical systems requiring precise and rapid interruption.
Voltage and Rating
- Current Rating: 700 Amps
- Voltage Rating: 500VAC / 500VDC
- Frequency: 50/60 Hz
- Fuse Class: High-Speed / Semiconductor Protection Fuse
- Fuse Type: Fast-Acting (Ultra Rapid)
Key Specifications
- Product Type: High-Speed Semiconductor Protection Fuse
- Series: Amp-Trap® A50QS
- Part Number: A50QS700-4
- Manufacturer: Mersen / Ferraz Shawmut
- Mounting Style: Blade
- Response Type: Ultra-fast acting (for semiconductor protection)
- Current Limiting: Yes
Technical Specifications
- Protection Type: Semiconductor and electronic device protection
- Application Suitability: Drives, rectifiers, inverters, power converters, UPS systems, and industrial electronic systems
- Coordination Type: Designed for protection of sensitive solid-state devices
- Construction Features: Extremely fast clearing time, high interrupting capacity, low let-through energy
- System Integration: Suitable for power electronics assemblies and DC/AC conversion systems
Standards and Approvals
- UL Listed
- CSA Certified
- IEC Semiconductor Fuse Standards compliant (typical for A50QS series)
Product Data
- Manufacturer: Mersen / Ferraz Shawmut
- Series: Amp-Trap® A50QS
- Part Number: A50QS700-4
- EAN/UPC: 782001142308
Applications
- Semiconductor protection systems
- Variable frequency drives (VFDs)
- Rectifiers and inverters
- UPS and backup power systems
- DC power distribution systems
- Industrial automation electronics
- Power conversion equipment
- Type Fuses
- Vendor Mersen
- Brand Mersen
Returns are easy
You may return items within 30 days of delivery for a refund.
FREE Shipping on orders over $149.
My Circuit Breakers offers one to five day delivery in the United States. The variation depends on the chosen shipping speed and the warehouse location for the product(s).
Same Day Shipping
We strive to ship out your items within one business day.
In rare circumstances, My Circuit Breakers may reserve up to 5 business days to complete shipment. Feel free to contact us if your order is time sensitive.
My Circuit Breakers provides a comprehensive 1-year warranty on both new and reconditioned products. Rest assured, all products are authentic OEM (original equipment manufacturer). Extended warranties are available upon request.