Mersen A13X400-4TA Amp-Trap A13X Semiconductor Protection Fuse with Trigger Actuator, 400A, 130VAC/100VDC
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The Mersen A13X400-4TA is a high-speed, current-limiting semiconductor protection fuse from the Amp-Trap Form 101 A13X series, rated at 400A and featuring an integrated trigger actuator (TA) for external trip circuit interfacing. Designed for the protection of diodes, thyristors, and power semiconductor devices in rectifier circuits, this bolt-in Type 4TA fuse delivers ultra-low I²t performance (26,000 A²s melting) to minimize thermal stress during fault events. With dual AC/DC voltage ratings (130VAC/100VDC) and interrupting capacities of 8kA/10kA respectively, the trigger actuator provides a mechanical actuation signal to drive external disconnect mechanisms, making it the preferred choice for critical power conversion systems where coordinated shutdown via auxiliary trip circuitry is required.
| Product ID (MPN) | A13X400-4TA |
| Rated Current | 400A |
| Voltage Rating (AC) | 130VAC |
| Voltage Rating (DC) | 100VDC |
| Interrupting Rating (AC) | 8kA @ 130VAC |
| Interrupting Rating (DC) | 10kA @ 100VDC |
| Watts Loss | 20W |
| Melting I²t | 26,000 A²s |
| Clearing I²t (1 Fuse / 2 Fuses) | 130,000 A²s / 65,000 A²s |
| Actuator Type | Integrated Trigger Actuator (TA) |
| Mount Type | Type 4TA, Fig 3 (Bolt-In with Actuator) |
| Body Dimensions (L x Dia) | 2.66 x 1.13 in (67.6 x 28.7 mm) |
| Fuse Block | P243D |
| Product Series | A13X / Amp-Trap Form 101 |
| Applications | Semiconductor Protection, Rectifiers; Trigger Actuator (TA) |
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