myMectronic
myMectronic

A Premier B2B Part Search

Eaton Bussmann BK1S50663R Overcurrent Fuse

This slow blow, time lag fuse rated for 250 VAC and 6.3 amps features a 5x20mm glass tube construction with nickel-plated brass endcaps. Designed for circuit protection applications needing delayed response, it complies with IEC 60127-2/3 standards. The fuse includes axial leads and offers reliable electrical characteristics like a low melting I2t rating. Suitable for circuit breakers, power supplies, and electronic devices, this fuse provides excellent overcurrent protection with UL, CSA, and other approvals ensuring safety and durability in industrial environments.

Authorized Distributors
Source:Newark
Part No:BK1-S506-6-3-R
Stock:1367
Inv Date:06-11-2026
Price: Unit price: $1.6
Buy/RFQ:
Source:DigiKey
Part No:BK1-S506-6-3-R
Stock:365
Inv Date:06-11-2026
Price: Unit price: $1.21
Buy/RFQ:
Source:DigiKey
Part No:BK1-S506-63-R
Stock:249
Inv Date:06-11-2026
Price: Unit price: $2.77
Buy/RFQ:
Source:DigiKey
Part No:BK1/S506-6.3-R
Stock:365
Inv Date:06-11-2026
Price: Unit price: $1.21
Buy/RFQ:
Source:DigiKey
Part No:BK1/S506-63-R
Stock:249
Inv Date:06-11-2026
Price: Unit price: $2.77
Buy/RFQ:
Part No:BK1/S506-63-R
Stock:10
Inv Date:06-12-2026
Price: Unit price: $2.3
Buy/RFQ:
Part No:BK1/S506-6.3-R
Stock:4495
Inv Date:06-12-2026
Price: Unit price: $0.7552
Buy/RFQ:
Part No:BK1/S506-63-R
Stock:0
Inv Date:06-12-2026
Price: Unit price: $1.8
Buy/RFQ:
Part No:BK1/S506-6.3-R
Stock:4495
Inv Date:06-12-2026
Price: Unit price: $0.7552
Buy/RFQ:
Authorized Distributors
Part No:BK1/S506-63-R
Stock:0
Inv Date:06-12-2026
Price: Unit price: $1.8
Buy/RFQ:
Source:Arrow EU
Part No:BK1-S506-6-3-R
Stock:2000
Inv Date:06-12-2026
Price: N/A
Buy/RFQ:
Part No:BK1/S506-63-R
Stock:13
Inv Date:06-12-2026
Price: N/A
Buy/RFQ:

Eaton Bussmann BK1S50663R Overcurrent Fuse Specifications:

  • Voltage Rating: 250 VAC
  • Current Rating: 6.3A
  • Physical Size: 5 x 20mm
  • Construction: Glass tube, nickel-plated brass endcaps
  • Melting I2t: 86
  • Voltage Drop: 86 mV at rated current
  • Cold Resistance: 0.060 ohms
  • Agency Approvals: UL Recognized, CSA Certified, cURus Recognition, VDE, BSI, IMQ, PSEWET, CCC
  • Response Time: Time-delay (slow blow), suited for circuit overloads
  • Lead Type: Axial leads, 0.81mm diameter (above 4A ratings)
  • Operating Conditions: Suitable for circuit breaker and electronic device protection
  • Packaging: Cardboard box, poly bag, or tape on reel options

Buy the Bussmann BK1S50663R – Reliable Overcurrent Fuse for Industrial Applications

Enhance your electrical safety with the Bussmann BK1S50663R, a high-quality, 5x20mm slow blow fuse rated for 250 volts and 6.3 amps. Its glass tube construction with nickel-plated brass endcaps offers durability and reliable performance, complying with IEC 60127-2/3 standards. Designed for delay response in circuits, its axial leads and UL, CSA approvals make it ideal for power supplies, electronic devices, and industrial equipment. Purchase online and protect your systems with confidence and precision.

Order your Bussmann SeriesBK1S50663R slow blow fuse today and ensure dependable circuit protection for your electronic and industrial projects.

Frequently Asked Questions

Where can I buy Eaton Bussmann BK1S50663R?

You can click on the BUY or RFQ button to purchase BK1S50663R from an authorized Eaton Bussmann distributor.

How do I troubleshoot issues or seek technical support for part BK1S50663R?

You can download the BK1S50663R datasheet or visit the Eaton Bussmann website for support.

Who is the manufacturer of BK1S50663R?

Eaton Bussmann

Eaton Bussmann Part List

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

Sponsored by