The Cefco CRN-R-150 is a 150-amp, 250-volt, Class RK5 dual-element time-delay fuse designed for reliable circuit protection in industrial and commercial applications.
Key Features
- Current Rating: 150 Amperes
- Voltage Rating: 250 VAC / 125 VDC
- Fuse Class: RK5
- Time-Delay: 10 seconds at 500% rated load
- Interrupting Rating: 200 kA at 250 VAC; 20 kA at 125 VDC
- Dimensions: 1.56 inches in diameter, 7.13 inches in length
- Mounting: Requires holder
- Approvals: UL Listed, CSA Certified, CE Compliant
Applications
The CRN-R-150 fuse is suitable for protecting branch and feeder circuits, AC drives, load centers, panel boards, switchboards, and various non-inductive loads such as lighting and heating systems. Its time-delay feature allows it to handle temporary inrush currents without nuisance tripping, making it ideal for circuits with inductive loads like motors and transformers.
Construction
Constructed with a dual-element design, the CRN-R-150 provides both short-circuit and overload protection. The fuse’s blade terminals ensure secure connections, and its cylindrical body facilitates easy installation in compatible fuse holders.
Compliance and Safety
This fuse meets industry standards, including UL 248-12, CSA C22.2 No. 248.12, and CE certifications, ensuring compliance with safety and performance requirements.
For optimal performance and safety, ensure that the CRN-R-150 fuse is installed in accordance with the manufacturer’s guidelines and within the specified electrical parameters.
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