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MCR-3 The Eaton BK/MDL-3-R is a glass cartridge fuse rated for 3A at 250VAC. It features a slow blow response time and is approved by CE, CSA, and UL.
Mfr Part #:

MCR-3

Available from 1 distributors
Mfr Name: Eaton - Electronics Division
Eaton - Electronics Division
The Eaton BK/MDL-3-R is a glass cartridge fuse rated for 3A at 250VAC. It features a slow blow response time and is approved by CE, CSA, and UL.
✓ Total Stock: 223 pcs
$ Price Range: $1.20

MCR-3 Available from 1 distributor

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Bristol Electronics ✓
Non-Authorised Inventory information
223 pcs
On Request
223 pcs On Request 1 On Request On Request 2026-02-25 06:16:38 On Request On Request
DistyParts aggregates offers from multiple distributors. Final prices, lead times and terms are subject to the distributors' discretion and may change without prior notice. DistyParts is not liable for any discrepancies.

MCR-3 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Approval Agency
Current Rating
Fuse Type
Melting I²t
Mounting Type
Response Time
SVHC Present
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MCR-3 Description

Short technical summary and product information.

This Eaton BK/MDL-3-R is a glass cartridge fuse designed for electrical circuit protection. It has a current rating of 3 Amps and a voltage rating of 250 Volts AC or DC.

 

The fuse features a slow blow response time, making it suitable for applications where temporary current surges are expected. Its breaking capacity is 100A at its rated voltage. The fuse is approved by major safety agencies including CE, CSA, and UL.

 

Packaged in bulk, this fuse requires a holder and conforms to the 3AB, 3AG, or 1/4" x 1-1/4" standard size. Its dimensions are 0.250 inches in diameter by 1.250 inches in length (6.35mm x 31.75mm).

MCR-3 Quick Information

Product Type: Fuse
Series: MDL
Canonical Name: Eaton BK/MDL-3-R Fuse Glass 3A 250VAC
Subcategory: Cartridge Fuse

MCR-3 Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

MCR-3 Estimated Pricing

Qty Low High
1+ $1.20 $1.20

Estimated market price range - modelled values for guidance only, not live distributor offers.

MCR-3 Features

  • Glass cartridge fuse with slow blow response.
  • Rated for 3A at 250VAC and 250VDC.
  • Features 100A breaking capacity.
  • Approved by CE, CSA, and UL.
  • Standard size: 1/4" x 1-1/4" (3AB, 3AG).

MCR-3 Applications

  • Provides overcurrent protection in power supplies.
  • Used in industrial equipment and appliances.
  • Suitable for circuits with high inrush currents.
  • Ideal for motor protection and lighting circuits.
  • Protects sensitive electronics in telecommunications.

MCR-3 FAQs

7 frequently asked questions generated from this part’s specifications.
What is the voltage rating of the MCR-3 fuse?

250V AC and 250V DC.

What is the package size of the MCR-3 fuse?

3AB/3AG, 1/4" x 1-1/4" (6.35mm x 31.75mm).

What is the current rating of the MCR-3 fuse?

3A.

What is the response time of the MCR-3 fuse?

Slow blow.

What is the breaking capacity of the MCR-3 fuse?

100A at rated voltage of 250V AC/DC.

What approvals does the MCR-3 fuse have?

CE, CSA, UL.

What is the melting I²t of the MCR-3 fuse?

67.5 A²s.

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