Merit Brass A3T600 Class T Fuse 600 Amp

Product Description

The MERIT BRASS A3T600 is a Class T current-limiting fuse rated at 600 amps. Class T fuses are recognized for their high interrupting capacity and compact form factor, making them a reliable overcurrent protection device in demanding electrical installations. This fuse is installed by licensed electricians in branch circuit, feeder, and service entrance applications where high fault-current ratings and fast-acting response are required. The A3T600 is suited for protecting motor circuits, industrial machinery, and distribution equipment where space and safety margins are critical.

Class T fuses at 600 amps are commonly specified in commercial and light industrial electrical panels, motor control centers, and switchgear. They are used in applications requiring a compact fuse with a high short-circuit interrupting rating. This part is typically installed during new construction, service upgrades, or replacement maintenance by a qualified electrician following applicable NEC guidelines.

Key Features

• 600 amp current rating for high-load overcurrent protection
• Class T form factor provides compact dimensions with high interrupting capacity
• Fast-acting response helps protect downstream equipment from fault damage
• Current-limiting design reduces let-through energy during fault conditions

Compatibility

Designed as an OEM-style replacement Class T fuse for use in electrical panels, motor control centers, and distribution equipment requiring a 600 amp Class T rated device.

Installation Notes

Installation should be performed by a licensed electrician in accordance with the National Electrical Code (NEC). Always de-energize and lock out the circuit before removing or installing a fuse. Verify that the fuse holder or disconnect is rated for Class T fuses at 600 amps before installation. Do not substitute a fuse of a different class or ampere rating in place of the specified device.

WARNING: This product can expose you to chemicals including lead, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.