Mersen A13X2500-128TA Amp-Trap A13X Semiconductor Protection Fuse with Trigger Actuator, 2500A, 130VAC/100VDC, Hockey-Puck Type
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The Mersen A13X2500-128TA is a high-speed, current-limiting semiconductor protection fuse from the Amp-Trap Form 101 A13X series, rated at 2500A in a large-frame hockey-puck (Type 128TA) form factor with an integrated trigger actuator (TA) for external trip circuit interfacing. Engineered specifically for the protection of high-power diodes, thyristors, and power semiconductor devices in large-scale rectifier circuits, this disc-type fuse delivers exceptional I²t performance (1,000,000 A²s melting) to minimize thermal stress during fault conditions. With dual voltage ratings (130VAC at 8kA interrupting / 100VDC at 20kA with L/R=10ms), the integrated trigger actuator provides a mechanical actuation signal to drive external disconnect mechanisms while the hockey-puck design with 1/2-20 threaded terminals enables direct mounting to bus bars and heat sinks, making it the preferred choice for ultra-high-current critical power conversion systems where coordinated shutdown via auxiliary trip circuitry is essential.
| Product ID (MPN) | A13X2500-128TA |
| Rated Current | 2500A |
| Voltage Rating (AC) | 130VAC |
| Voltage Rating (DC) | 100VDC |
| Interrupting Rating (AC) | 8kA @ 130VAC |
| Interrupting Rating (DC) | 20kA @ 100VDC (L/R=10ms) |
| Watts Loss | 116W |
| Melting I²t | 1,000,000 A²s |
| Clearing I²t (1 Fuse / 2 Fuses) | 5,000,000 A²s / 2,500,000 A²s |
| Actuator Type | Integrated Trigger Actuator (TA) |
| Mount Type | Type 128TA, Fig 5 (Hockey-Puck with Actuator, Threaded Terminal) |
| Body Diameter (B) | 3.00 in (76.2 mm) |
| Body Height (A) | 1.88 in (47.88 mm) |
| Terminal Thread (TAP) | 1/2-20-1/2 Deep |
| Product Series | A13X / Amp-Trap Form 101 |
| Applications | Semiconductor Protection (Hockey-puck type); Trigger Actuator (TA) |
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