Eaton 1BS101 Universal fuse block - 200 kAIC RoHS
Part Number: 1BS101
Quick Summary
Eaton 1BS101 universal fuse block protects electrical circuits in control panels and industrial machinery. Many engineers struggle with wiring complexity and compact mounting while needing high interrupt ratings; this modular fuse block simplifies installation and service. It delivers 100 A at 600 V with a 200 kAIC interrupt rating, featuring a set-screw termination and tin-plated aluminum connectors for secure, low-resistance terminations. The molded black phenolic base with zinc-plated steel studs provides rugged durability in harsh environments and supports Cu/Al #14-2/0 wiring. RoHS compliance is noted, and users should verify any additional certifications with Eaton for specific markets. In short, it combines robust protection with straightforward, repeatable installation that reduces downtime and supports scalable panel builds.
Product Information
Extended Description
1BS101 Eaton: Eaton Universal fuse block, Modular, 100 A, 150, Celsius, 150, Celsius, Set screw, 200 kAIC, Molded black phenolic base, Zinc-plated steel studs/nut/washer, Tin-plated aluminum connector, Stud, 600 V, #14-2/0 AWG Cu/Al
Product Name
Eaton Bussmann series 1BS10x universal fuse block
Catalog Number
1BS101
UPC
051712134989
Product Length/Depth
4.4 in
Product Height
2.6 in
Product Width
3.2 in
Product Weight
0.425 lb
Warranty
Not Applicable
Compliances
Contact factory RoHS Compliant
Amperage Rating
100 A
Interrupt rating
200 kAIC
Voltage rating
600 V
Material
Tin-plated aluminum connector Zinc-plated steel studs/nut/washer Molded black phenolic base
Operating temperature - max
150 °C
Operating temperature - min
150 °C
Wire size
#14-2/0 AWG Cu/Al
Connection
Set screw
Mounting method
Stud
Bussmann series complete full line catalog no. 1007
Eaton Specification Sheet - 1BS101
Bussmann series 1BS101 modular fuse block data sheet no. 1206
Datasheet - FNQ-30
Feature: 100 A, 600 V rating with 200 kAIC interrupt capability → Business Impact: Delivers reliable circuit protection for demanding loads, reducing the risk of costly damage and downtime. Application: Ideal for machine controls and power distribution within industrial panels. Feature: Set-screw termination with tin-plated aluminum connectors → Business Impact: Ensures secure, low-resistance terminations that speed up field wiring and simplify maintenance. Application: Quick upgrades in retrofit projects and new panel builds. Feature: Rugged, molded black phenolic base and zinc-plated steel studs → Business Impact: Enhanced durability in harsh environments, extending service life and lowering replacement costs. Application: Suitable for high-vibration conveyors and heavy-duty automation gear. Feature: Wire compatibility Cu/Al #14-2/0 → Business Impact: Broad wiring flexibility reduces inventory needs and accelerates installation. Application: Supports diverse customer wire practices and reduces lead times. Feature: RoHS compliant materials → Business Impact: Enables compliance with modern environmental standards, reducing risk in regulated markets. Application: Fits clean manufacturing and automotive-adjacent automation environments. Feature: Modular Bussmann series compatibility → Business Impact: Facilitates scalable protection schemes and straightforward future expansion. Application: Aligns with broader protection architecture in control panels and distribution blocks.
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FAQs
The 1BS101 uses a set-screw connection and accepts Cu/Al wire sizes from #14 up to 2/0 AWG, as specified in the data. The tin-plated aluminum connector and molded black phenolic base deliver secure terminations and low-resistance paths, simplifying field terminations and reducing installation time in control panels.
This modular fuse block is rated for 100 A and 600 V with a 200 kAIC interrupt rating, enabling reliable protection for demanding loads. The durable construction, including zinc-plated steel studs and a rugged phenolic base, helps absorb transients and maintain connection integrity in tough environments.
Ideal for machine controls, conveyors, and power distribution in manufacturing environments, the 1BS101 provides compact, stackable protection in control panels. Its stud mounting, RoHS-compliant materials, and compatibility with Cu/Al wiring make it a practical choice for modernization efforts and scalable panel builds.
The data specify RoHS compliance; other certifications like CE or SIL are not listed publicly. For markets requiring formal certification, verify with Eaton's factory or datasheets. The part carries a 600 V rating and 200 kAIC interrupt capability, which informs compliance planning and safety analyses.
By simplifying wiring, reducing mounting footprint, and delivering high interrupt protection, the 1BS101 lowers commissioning time and minimizes panel downtime. Its durable materials resist wear in harsh environments, while the modular design eases replacements and upgrades—contributing to lower maintenance costs and faster time-to-productivity in automation projects.