Overview
The Ferraz Shawmut TRS15R is a premium Class RK5 time-delay fuse engineered for industrial electrical protection. This Tri-Onic Smart Spot dual-element fuse combines fast response to short circuits with deliberate time delay for motor inrush currents. Rated at 15A and 600VAC (300VDC), it delivers 200,000 AIC interrupting capacity and is UL 248-12 and CSA certified for dependable performance in demanding applications.
Key Features
- Dual-element design with time-delay characteristics for motor circuits
- Current-limiting behavior protects equipment from transients and surges
- High interrupting rating: 200 kA (AC), 20 kA (DC)
- Ferrule-terminal construction prevents installation errors
- Rejection-style design ensures correct fuse selection
- Polyester tube with fiberglass reinforcement for durability
Technical Specifications
- Current Rating: 15 Amperes
- AC Voltage Rating: 600 Volts
- DC Voltage Rating: 300 Volts
- Class: RK5 (Time-Delay, Current-Limiting)
- Type: Dual-Element (Time-Delay)
- Interrupting Rating (AC): 200,000 AIC @ 600VAC
- Interrupting Rating (DC): 20,000 AIC @ 300VDC
- Body Diameter: 13/16 inch (0.81 in)
- Body Length: 2 inches
- Terminal Type: Ferrule Terminal
- Material: Polyester Tube with Fiberglass Reinforcement
- Series: TRS-R (Tri-Onic)
- UL Standard: UL 248-12, File E2137
- CSA Standard: C22.2, No. 248.12
- UPC: 782001748821
Typical Applications
The Ferraz Shawmut TRS15R is ideal for:
- Motor feeder and branch circuit protection
- Transformer primary and secondary circuits
- Service entrance equipment and distribution panels
- Industrial machinery and control circuits
- General-purpose electrical equipment where time-delay is required
Compatibility & Replacements
Compatible With
- Standard cartridge fuse holders with ferrule-terminal design
- Class RK5 fuse blocks and panels
- Industrial control systems and motor starters
- Any circuit requiring Class RK5 (RK1 and RK5 are interchangeable in most applications)
Replaces / Drop-In Replacement For
- Legacy Ferraz Shawmut TRS15R units
- Equivalent Class RK5 15A 600VAC fuses from other manufacturers (verify compatibility with your OEM documentation)
- Verify compatibility with your system integrator before ordering.
Works With
- Ferraz Shawmut fuse blocks, clips, and holders (TRS series compatible)
- Standard industrial electrical enclosures and disconnect switches
- Motor control centers (MCCs) and distribution equipment
- Any equipment rated for Class RK5 time-delay fuses
