The MERSEN OT70 is a Fuse OT - Class K5 - Fast-Acting 250VAC 250VDC 70A Blade Amp-Trap®. These one-time general purpose fuses provide low cost protection for feeder and branch-circuits serving lighting, heating, and other non-motor loads. OT and OTN fuses will safely interrupt available short-circuit currents up to 50,000 amperes in all ratings.
Low cost protection
Interrupts available short-circuit currents up to 50,000 amperes
Suitable for lighting, heating, and non-motor loads
Product Highlights
The MERSEN OT70 fuse provides reliable, fast-acting protection for a variety of general purpose applications.
Product Information
Standard Information
Brand: MERSEN
Manufacturer Part Number: OT70
Technical Specifications
Item number
OT70
Description
Fuse OT - Class K5 - Fast-Acting 250VAC 250VDC 70A Blade Amp-Trap
EAN/UPC Code
782001700225
Rated voltage AC UL
250 V
Rated voltage DC UL
250 V
Frequency (Hz)
50/60 Hz
Ampere Rating
70 A
AC or DC
AC/DC
Fuse Class
Class K5
Speed/Characteristic
Fast-Acting
Mounting
Clip
AC Max I.R./Breaking Capacity: I1
50 kA
Connection/Terminal Material
Tin-Plated Copper
Connection/Terminal Type
Blade
Product Diameter
1.06 in
Product Length
5.88 in
Product group
Low Voltage UL/CSA Fuses
Body/Insulating Material
PolyTube
Product Weight
0.26 lb
Voltage
250
Fuse Type
Cartridge
Body Material
Fiberglass
Terminal Style
Clip
Interrupting Rating
50,000 AIC @ 250VAC
DC Interrupting Rating
20,000 AIC @ 250VDC
Brand
Mersen
Category
Fuses
Condition
New
Voltage Rating - DC
250 VDC
Manufacturer
Mersen / Ferraz Shawmut
Response Time
Fast Blow
Series
OT Series
Applications
Electrical, Industrial
Packaging
Bulk
Class
K5
Part Status
Active
Approval Agency
CSA, UL
Mounting Type
Requires Holder
Breaking Capacity @ Rated Voltage
50kA AC, 20kA DC
Package / Case
Cylindrical, Blade Terminals
Current Rating (Amps)
70A
Size / Dimension
1.063" Dia x 5.866" L (27.00mm x 149.00mm)
Voltage Rating - AC
250 VAC
Interrupt Rating
20/50 kA
Material
Paper/Polyester
Rejection/Non-Rejection
Non-Rejection
Body Size
1-1/16 in Dia x 5-7/8 in L
Body Style
Cylindrical
Terminal Type
Blade
Type
Fast Acting Low Voltage North American Style
Voltage Rating
250 VAC/VDC
Application
Feeders, Resistive Heating, Residential and Small Commercial Installations
Standard & Approvals
RoHS Compliant, UL 248-9 Guide JDDZ File No. E2137, CSA C22.2 File No. 248.9, Class 1422-02 File No. 012636_0_000, DC Listed