UL Class T – Fast

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Current Rating (A)

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OptiFuse’s new UL listed Class T fuses provide fast acting protection combined with high current limiting capabilities for main feeder and branch circuit protection (UL 248-15). They are the most compact option available for ratings exceeding 30A.
Class T fuses are designed to protect devices such as load centers, panelboards, switchboards, measuring centers, and other surge-sensitive equipment from both overload and short circuit currents. They can be found in systems such as pumps, HVAC, and power sources.
Rated at 300VAC / 160VDC, these fuses have a 200K amp AC interrupting capacity and a 50K amp DC interrupting capacity. Current ratings range from 1A to 400A.

Dimensions	2.16 × 0.81 × 0.81 in
Current Rating (A)	1, 2, 3, 6, 10, 15, 20, 25, 30, 35, 40, 45, 50, 60, 70, 80, 90, 100, 110, 125, 150, 175, 200, 225, 250, 300, 350, 400, 600, 800, 1000, 1200
Fuse Type	Industrial and UL Fuses
Fuse Size/Group	Class T
Response Time	Fast
Voltage Rating - DC (VDC)	160
Major Safety Standards	UL/CSA
Approval Agency	cULus; UL 248