TRS7R - 7 Amp Fuse

TRS7R - 7 Amp Fuse

The TRS7R is a 7 amp Class R fuse that’s mainly used in setups where you don’t want the fuse blowing every time something starts up. A lot of equipment—especially motors—pulls a quick surge when it kicks on. This fuse is designed to ride through that without causing problems, but it will still open if there’s a real issue like an overload or short. It’s also a current-limiting type, so in a fault situation it helps keep the damage more contained. That’s one of those things you don’t think about until something goes wrong—and then it matters. With a 200 kA rating at 600VAC, it’s meant for systems where fault levels can get pretty high. The size is standard for this type of fuse, and since it’s a cartridge style, it just goes into a compatible Class R holder like you’d expect. Nothing complicated about it.

Key Features and Benefits

• Doesn’t blow on normal startup surges
• Time-delay helps avoid unnecessary interruptions
• Current-limiting design helps reduce damage during faults
• 200 kA interrupting rating at 600VAC
• Non-indicating, straightforward design
• Fits standard Class R fuse blocks

Technical Specifications

• Part Number: TRS7R
• Amperage: 7 Amps
• Voltage Rating: 600 VAC
• Interrupting Capacity: 200 kA
• Fuse Class: Class R
• Type: Time-Delay, Current-Limiting
• Style: Cartridge, Non-Indicating
• Frame Type: TRS
• Height: 5.0 in
• Width: 0.81 in
• Depth: 0.81 in
• Poles: Not specified
• Ship Weight: Not specified

Material Compliance and Certifications

• Industry Standards: Meets standard Class R fuse requirements and is typically manufactured in line with common UL and CSA safety standards used in commercial and industrial electrical systems.

Where It Works Best

• Motor circuits
• HVAC units and compressors
• Control panels
• Transformers
• General industrial or commercial setups