The MERSEN A70QS80-4 is a high-speed Amp-Trap® fuse designed for enhanced performance in 700V semiconductor applications. This fuse offers lower I2t for superior protection, extended lifespan under cyclic loading, and reduced watts loss. It is an ideal choice for safeguarding dynamic solid-state equipment like motor drives and UPS systems.
High Speed Fuse Amp-Trap® A70QS
Rated for 700VAC and 700VDC
80A Bolted Blade
Product Highlights
Protects dynamic solid state equipment such as motor drives and UPS. Offers lower I2t for better protection and longer life.
Product Information
Standard Information
Brand: MERSEN
Manufacturer Part Number: A70QS80-4
Country of Origin: Mexico
Technical Specifications
Item number
A70QS80-4
Description
High Speed Fuse Amp-Trap
A70QS 700VAC 700VDC 80A Bolted Blade
EAN/UPC Code
782001948658
Rated voltage AC UL
700 V
Rated voltage DC UL
700 V
Frequency (Hz)
50/60 Hz
Ampere Rating
80 A
AC or DC
AC/DC
Speed/Characteristic
High Speed
Mounting
Bolted
AC Max I.R./Breaking Capacity: I1
50 kA
Connection/Terminal Material
Tin-Plated Brass
Connection/Terminal Type
Blade
Product Diameter
1 in
Product Length
4.38 in
Product group
High-Speed and Semiconductor protection fuses
Body/Insulating Material
GMG
Product Weight
0.51 lb
Volts AC
700
Volts DC
700
Fuse Class
Semiconductor
AC Interrupting Rating
200,000 AIC
DC Interrupting Rating
100,000 AIC
Brand
MERSEN
Series
A70QS
Manufacturer Part Number
A70QS80-4
AC Voltage Rating
700 V AC
Body Material
Fiberglass
Current Rating
80 A
DC Voltage Rating
700 V DC
Element
Single
Fits Fuse Block Style
Non-Rejection
Fuse Body Style
Bolt-On
Fuse Diameter x Length
1 in x 4-3/8 in
Interrupt Rating - AC
200 kA
Interrupt Rating - DC
100 kA
Overall Diameter
1 in
Overall Length
4-3/8 in
Speed
Fast-Acting
Standards
CE, UL Recognized, Guide JFHR2, File 60314, CSA Certified LR12636