TRS40R - 40 Amp Fuse

TRS40R - 40 Amp Fuse

The TRS40R is a 40 amp Class R fuse used in setups where startup surge is normal and you don’t want the fuse blowing every time equipment kicks on. It’s a time-delay fuse, so it gives motors and similar loads a little room on startup. But if there’s a real problem—short circuit or fault—it clears it fast. It’s rated 200 kA at 600VAC, so it’s built for higher fault conditions, not light-duty use. It’s also current-limiting, which helps cut down the amount of energy that gets through during a fault. That can help protect the rest of your gear instead of letting the damage spread. No indicator on this one. Just a standard cartridge fuse that fits, works, and gets replaced when needed.

Key Features and Benefits

• 40 amp rating
• Time-delay (handles startup surge)
• 200 kA interrupting rating at 600VAC
• Current-limiting design
• Class R rejection fit
• Cartridge style
• Non-indicating

Technical Specifications

• Part Number: TRS40R
• Amperage: 40A
• Voltage: 600VAC
• Interrupting Rating: 200 kA
• Class: R
• Type: Time-delay, current-limiting
• Design: Cartridge, non-indicating
• Frame: TRS
• Size: 5.5" x 1.06" x 1.06"
• Ship Weight: Not listed

Material Compliance and Certifications

• Built to standard Class R fuse requirements, including rejection features for proper fit. Always match to your system and local code.

Where It Works Best

• You’ll usually see this in:
• Motor circuits
• HVAC units
• Transformers
• Panels and distribution setups
• Anywhere startup surge is expected but you still need solid fault protection.