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.

Technical Specifications

• Ampere Rating: 600 amps
• Fuse Class: Class T
• UPC: 78200189031

Standard Information

• Brand: MERIT BRASS
• Manufacturer Part Number: A3T600