TRS40R - 40 Amp Fuse Description
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.
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Specifications
- Width:1.06
- Depth:1.06
- Height:5.5
- Amperes:40
- A.I.C. Rating & Volts:200 kA @ 600 V.AC
- Type:TRS
- Additional Notes:Cartridge Style, Non-Indicating, Time-Delay, current-limiting Class R Fuse
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