Mersen OT20 OT Series Fast Acting One-Time Fuse, 20 A, Class K5

Product Description

The Mersen OT20 is an OT Series fast-acting, one-time fuse designed for general purpose use. This 20A, 250 VAC/VDC fuse provides low-cost protection for feeder and branch circuits serving lighting, heating, and other non-motor loads. It safely interrupts short-circuit currents up to 50,000 amperes.

• Easy to read imprint label for quick recognition and replacement
• Low cost for high protection value
• Versatile

Product Highlights

Provides reliable, low-cost protection for non-inductive loads in residential and commercial installations. UL Listed to Standard 248-9 File E2137 and CSA Certified to Standard C22.2 No. 248.9.

Product Information

Standard Information

• Brand: Mersen
• Manufacturer Part Number: OT20
• Country of Origin: Mexico

Technical Specifications

• Type: FUSES
• Fuse Types: LOW VOLTAGE
• Class: K5
• Series: OT Series
• Material: Paper
• Body Size: 9/16 in Dia x 2 in L
• Body Type: Cylindrical
• Mounting Type: Clip
• Terminal Type: Ferrule
• Voltage Rating: 250 VAC/VDC
• Amperage Rating: 20 A
• Interrupt Rating: 50 kA
• Rejection/Non-Rejection: Non-Rejection
• Application: Feeders, Resistive Heating, Residential and Small Commercial Installations
• Manufacturer: Mersen
• Brand: Mersen
• Standard & Approvals: UL 248-9 File E2137, CSA C22.2 No. 248.9, RoHS Complaint
• Sub Brand: Amp-Trap®
• Country of Origin: Mexico
• Made in USA: No
• Connection: Ferrule
• Special Features: Easy to read imprint label for quick recognition and replacement Low cost for high protection value
• Standard: UL Listed to Standard 248-9 File E2137 CSA Certified to Standard C22.2 No. 248.9 (The Canadian Electrical Code requires these fuses in ratings 15 through 60A to be of the low melting point design use OTN 15-60.) Self-certified for DC per UL248
• Item Type: Class K5
• Size: 2 x 0.56
• Frequency (Hz): 50/60 Hz
• AC or DC: AC/DC
• Speed/Characteristic: Fast-Acting
• Connection/Terminal Material: Copper
• Product Diameter: 0.56 in
• Product Length: 2 in
• Body/Insulating Material: Paper
• AC Voltage Rating: 250V
• DC Voltage Rating: 250V