Overview
The Cooper Bussmann MDA 1 is a ceramic tube time delay (slow-blow) fuse designed for circuit protection in industrial and commercial electrical equipment. This lot contains 5 new fuses, each rated at 1 ampere and 250 volts AC. The MDA 1 series delivers reliable overcurrent protection with a time delay characteristic that allows brief inrush currents without nuisance trips, making it ideal for inductive loads and motor circuits.
Key Features
- Time delay (slow-blow) ceramic tube construction for inrush current tolerance
- 1 Ampere / 250 Volt AC rating with 125 Volt DC capability
- Compact 3AB form factor: ¼” x 1¼” (6.3 x 32 mm)
- CSA and UL certified for reliability and code compliance
- Sold as a box of 5 units for convenient stock rotation
Technical Specifications
- Part Number: MDA 1 / MDA-1
- Current Rating: 1 Ampere
- Voltage Rating: 250 VAC / 125 VDC
- Fuse Type: Time Delay (Slow-Blow)
- Material: Ceramic Tube
- Dimensions: ¼” x 1¼” (6.3 x 32 mm)
- Form Factor: 3AG/3AB Cartridge
- Operating Temperature Range: -55°C to +125°C
- Packaging: Box of 5 fuses
- Certifications: CSA, UL
Typical Applications
- Motor control circuits and variable frequency drive input protection
- Industrial machinery and production equipment
- Control panels and distribution cabinets
- Transformer primary and secondary circuits
- LED and lighting fixture protection
- General circuit board and equipment safeguarding
Compatibility & Replacements
Compatible With
- Standard fuse holders rated for 3AG/3AB cartridge format
- Equipment designed for ¼” x 1¼” (6.3 x 32 mm) fuses
- Industrial control panels and switchgear
- Motor control centers (MCCs)
- Power distribution and circuit protection devices
Replaces / Drop-In Replacement For
- Eaton MDA-1-R (equivalent specification)
- Other 1A 250V ceramic time delay fuses in 3AG format
- Verify compatibility with your system integrator before ordering
Works With
- Any fuse holder accepting 3AG/3AB cartridge format
- Standard panel-mount and PCB fuse holders
- Industrial control and motor protection systems
