Description
The Eaton Bussmann DMM-B-44/100-R is a fast-acting fuse designed specifically for digital multimeters and compatible electrical test instruments. It provides supplemental overcurrent protection for measuring circuits and is intended for equipment designed to use this fuse specification.
With a 440mA current rating and 1000V AC/DC voltage rating, this fuse is intended for precision test equipment—not general branch-circuit protection.
Verified Technical Specifications
| Specification | Details |
|---|---|
| Brand | Eaton Bussmann |
| Series | DMM-B |
| Model | DMM-B-44/100-R |
| Rated Current | 440mA (0.44A) |
| Rated Voltage | 1000V AC/DC |
| Fuse Characteristic | Fast-Acting |
| Interrupting Rating | 10kA at 1000V AC and 10kA at 1000V DC under Specified Test Conditions |
| Dimensions | Approximately 10.3mm Diameter × 34.9mm Length |
| Body Construction | Melamine Tube |
| End Caps | Nickel-Plated |
| Connection | Ferrule Ends |
| Typical Application | Multimeters and Compatible Test Instruments |
Key Features
– Fast-acting supplemental overcurrent protection
– 1000V AC/DC voltage rating
– 440mA rated current
– Compact cylindrical construction
– Ferrule-end connections for compatible fuse clips
– High interrupting capacity under specified conditions
Typical Applications
The DMM-B-44/100-R is intended for use in compatible digital multimeters and electrical test equipment. Always check the instrument manual for the required fuse rating, dimensions, voltage rating, and interrupting capacity.

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