myMectronic
myMectronic

A Premier B2B Part Search

Eaton Bussmann BKS50512R Time-Delay Ceramic Fuse

This is a high-capacity time-delay ceramic fuse designed for reliable overload protection in electrical circuits. It features a 5x20mm cylindrical ceramic tube with silver-plated end caps for excellent conductivity and durability. Suitable for applications requiring a high breaking capacity and slow-blow characteristics, it meets IEC 60127-2 standards and supports a rated voltage of 250 VAC and current ratings from 0.5A to 12A. Optional axial leads with copper tinned wire are available, and the fuse is UL recognized, CSA approved, and compliant with multiple international standards for safety and quality.

Authorized Distributors
Source:Newark
Part No:BK/S505-12-R
Stock:321
Inv Date:06-12-2026
Price: Unit price: $4.24
Buy/RFQ:
Source:DigiKey
Part No:BK-S505-12-R
Stock:450
Inv Date:06-12-2026
Price: Unit price: $2.79
Buy/RFQ:
Source:DigiKey
Part No:BK/S505-12-R
Stock:450
Inv Date:06-12-2026
Price: Unit price: $2.79
Buy/RFQ:
Part No:BK/S505-12-R
Stock:4
Inv Date:06-13-2026
Price: Unit price: $4.63
Buy/RFQ:
Part No:BK/S505-12-R
Stock:70
Inv Date:06-12-2026
Price: Unit price: $2.68
Buy/RFQ:
Part No:BK/S505-12-R
Stock:588
Inv Date:06-12-2026
Price: Unit price: $4.05
Buy/RFQ:
Part No:BK/S505-12-R
Stock:588
Inv Date:06-12-2026
Price: Unit price: $4.05
Buy/RFQ:

Eaton Bussmann BKS50512R Time-Delay Ceramic Fuse Specifications:

  • Physical Size: 5 x 20mm cylindrical ceramic tube
  • Rated Voltage: 250 VAC
  • Current Ratings: 0.5A to 12A
  • Construction: Ceramic tube with silver-plated end caps, nickel-plated brass end caps for higher currents
  • Optional Leads: Copper tinned wire with nickel-plated brass overcaps
  • Standards: IEC 60127-2, UL Recognized, CSA Certified, VDE, SEMKO, BSI, IMQ, PESWET, CCC, EK, FIMKO
  • Interrupting Rating: Up to 1500A
  • Flammability Rating: UL VW-1 flexible flouropolymer sleeve available
  • Features: Time-delay (slow blow), high breaking capacity, designed for precision overload protection
  • Packaging: BK (cardboard box), BK1 (poly bag), TR2 (reel with tape, 19.05mm lead wire)

Buy the Buy Cooper Bussmann 505 Series Time-Delay Ceramic Fuse Part Number BKS50512R Online

Order the Cooper Bussmann BKS50512R ceramic fuse online today to ensure dependable overload protection for your electrical systems. Featuring a 5x20mm size, high breaking capacity, and compliance with international safety standards, it guarantees safety and durability. Ideal for use in various electronic and electrical applications requiring slow-blow characteristics and reliable performance. Available with optional axial leads and flexible sleeve options, this high-quality fuse offers excellent conductivity, long-lasting performance, and easy installation—making it an essential component for your electrical protection needs.

Get Cooper Bussmann BKS50512R today—engineered for reliable overload protection in electrical circuits with high breaking capacity and durable ceramic construction.

Frequently Asked Questions

Where can I buy Eaton Bussmann BKS50512R?

You can click on the BUY or RFQ button to purchase BKS50512R from an authorized Eaton Bussmann distributor.

How do I troubleshoot issues or seek technical support for part BKS50512R?

You can download the BKS50512R datasheet or visit the Eaton Bussmann website for support.

Who is the manufacturer of BKS50512R?

Eaton Bussmann

Eaton Bussmann Part List

Browse and search other Eaton Bussmann parts, locate datasheets and stock

Sponsored by