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Mersen A070UD73TTI1600 High Speed Fuse, 1600A, 690 VAC

Regular price $210.00 USD
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Mersen A070UD73TTI1600 is a Protistor size 73 aR square body high-speed semiconductor protection fuse with item number Q300877. It is rated 1600 A with a 690 VAC IEC voltage rating and 700 VAC UL voltage rating, using TTI 1/2 in - 13 unified coarse threaded terminals for industrial power conversion protection applications.

Product ID / MPN A070UD73TTI1600
Secondary ID Q300877
Brand / Series / Category Mersen Protistor size 73 aR high-speed fuse
Rated Current 1600 A
Rated Voltage AC 690 VAC IEC; 700 VAC UL
Fuse Characteristic aR ultra-fast acting
Product Size 73
Terminal Type TTI 1/2 in - 13 unified coarse threaded terminals
Pre-arcing I²t 1430 kA²s
Clearing I²t at Rated Voltage 5740 kA²s
Rated Breaking Capacity AC 200 kA
Power Dissipation at In 203 W
Standards / Certifications IEC 60269-4; UL/CSA Recognized E76491; CCC GB 13539.4; CE marking for voltages less than or equal to 1000 VAC

Typical applications include semiconductor protection in inverters, motor drives, UPS systems, power conversion equipment, and similar 690 V or lower equipment using diodes, thyristors, or IGBT devices.

Apexon Supply supports B2B sourcing and replacement review for Mersen A070UD73TTI1600 high-speed fuses, helping procurement teams compare ratings, terminal style, fuse class, and technical alignment before sourcing.

Send the MPN, item number, required quantity, and application requirements for RFQ support. Most qualified RFQs receive a response or quote within 12 hours.

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