Description
Overview
The Eaton Bussmann 170M6414 is a 1000 A, 690 V AC high speed square body semiconductor fuse from the Bussmann 170M Series, engineered to deliver current-limiting protection for sensitive power semiconductor devices in industrial drives and converter systems. Conforming to IEC 60269-4 Class aR, it provides a 200 kA breaking capacity within the rugged 3BN/50 square body format featuring bolt-in connections for secure, low-resistance installation. Its combination of high interrupt rating and fast clearing speed makes it the preferred choice for protecting DC common bus architectures, VFDs, soft starters, and thyristor stacks in demanding industrial environments across India.
Key Features
- 1000 A Current Rating — handles high continuous load currents typical in large drive and converter panels
- 690 V AC Voltage Rating — compatible with standard 415 V and 690 V three-phase industrial power systems in India
- 200 kA Breaking Capacity — extremely high interrupt rating for protection in high fault-current industrial installations
- Class aR Fuse Classification — designed exclusively for semiconductor protection with ultra-fast current-limiting action to protect thyristors, diodes, and IGBTs
- IEC 60269-4 Compliant — internationally recognized standard for semiconductor fuse performance and testing
- 3BN/50 Square Body Format — compact, standardized square body with bolt-in connections for easy panel integration and replacement
- CE Marked and RoHS Compliant — meets European safety and environmental directives for global project specifications
- UL/CSA Listed — dual certification supports export projects and multinational OEM requirements alongside IEC ratings
- No Fuse Indicator — simplifies construction and reduces cost where external monitoring is used
Technical Specifications
| Specification | Value |
|---|---|
| Catalog Number | 170M6414 |
| Series | Bussmann 170M |
| Amperage Rating | 1000 A |
| Voltage Rating AC | 690 V |
| Fuse Class | Class aR |
| Breaking Capacity | 200 kA |
| Interrupt Rating | 200 kA |
| Construction | Square body 3BN/50 format with bolt-in connections |
| Fuse Indicator | None |
| Standard | IEC 60269-4 |
| Compliances | CE Marked, RoHS Compliant |
| Certifications | IEC Rated, UL/CSA Listed |
| Application | Semiconductor protection, DC common bus, DC drives, power converters, rectifiers, VFDs, soft starters, thyristor stacks |
Applications & Selection Guide
The Eaton Bussmann 170M6414 is the correct choice when protecting high-power semiconductor devices in industrial power electronics assemblies rated up to 690 V AC. Its Class aR rating means it is purpose-built for semiconductor protection — it will clear faults before the semiconductor device reaches its thermal damage threshold. Typical applications include DC common bus panels, variable frequency drives (VFDs), soft starters, AC-to-DC rectifier assemblies, thyristor stacks, SCR controllers, and IGBT-based power converters operating at 1000 A load levels.
In Indian industries such as steel plants, cement manufacturers, paper mills, water treatment facilities, automotive OEMs, and large-scale textile operations, high-current semiconductor fuses like the 170M6414 are critical for protecting expensive drive and converter equipment from catastrophic fault damage. The 200 kA interrupt rating ensures suitability even in high available fault current environments typical of industrial MCC and PCC installations across India.
When selecting this fuse, verify the I²t let-through values against the semiconductor device’s rated I²t withstand to confirm coordination. The 3BN/50 bolt-in format must match the fuse holder or bus bar mounting arrangement in your panel. Shansen Enterprises can assist with fuse holder selection and coordination review for projects based in Coimbatore or anywhere in India.
Why Buy from Shansen Enterprises?
- Authorized Eaton Channel Partner in Coimbatore with direct access to the full Bussmann fuse range
- 100% genuine Eaton Bussmann products supplied with original manufacturer warranty
- Pan-India delivery to all major cities and industrial zones including Chennai, Bengaluru, Hyderabad, Mumbai, Pune, and beyond
- WhatsApp technical support for product selection, coordination queries, and application guidance
- Competitive bulk pricing for panel builders, system integrators, EPC contractors, and OEM manufacturers
Compatible Products & Accessories
- Eaton Bussmann 170M Series fuse holders and mounting bases for 3BN/50 format
- Eaton Bussmann 170M Series fuse blocks and bus bar adaptors
- Eaton Bussmann microswitch and blown fuse indicator accessories for 170M Series
- Eaton Bussmann 170M Series companion fuses for other current ratings in the same voltage class
- Eaton semiconductor protection contactors and DC bus protection components
- DIN rail and panel-mount fuse monitoring relay modules compatible with 170M Series
Frequently Asked Questions
What is the difference between Class aR and Class gR fuses, and which does the 170M6414 use?
Class aR fuses are designed to protect only against short-circuit conditions in semiconductor circuits — they provide extremely fast current-limiting action to safeguard thyristors, diodes, and IGBTs before they are thermally damaged. Class gR fuses provide both overload and short-circuit protection. The Eaton Bussmann 170M6414 is a Class aR fuse, which means it must be used in combination with another protective device such as a circuit breaker or contactor that handles overload protection for the semiconductor equipment.
Is the Eaton Bussmann 170M6414 suitable for protecting VFDs and soft starters on a 415 V supply in India?
Yes. The 170M6414 is rated for 690 V AC, which makes it fully compatible with 415 V three-phase systems used across India. Its 1000 A rating and Class aR classification make it well-suited for protecting the input rectifier stage or DC bus semiconductors of large VFDs and soft starters. Always confirm I²t coordination with the semiconductor manufacturer’s datasheet before installation.
What does the 200 kA interrupt rating mean for the Eaton Bussmann 170M6414?
The 200 kA interrupt rating, also referred to as breaking capacity, means the 170M6414 can safely clear fault currents up to 200 kA without rupture, arc flash, or loss of containment. This is an extremely high interrupt rating that ensures the fuse is suitable for installation at locations close to large transformer secondaries or on high-capacity busbars where available fault current levels are significant. It provides confidence in installations across large industrial facilities in India where system fault levels can be very high.
Does the Eaton Bussmann 170M6414 come with a fuse indicator or striker pin?
No. The 170M6414 does not include a built-in fuse indicator or striker pin. If blown fuse indication is required for your panel design, Eaton Bussmann offers separate indicator accessories that can be fitted to compatible 170M Series fuse holders. Shansen Enterprises can advise on the correct indicator accessory for your specific mounting arrangement.
What certifications and compliance standards apply to the Eaton Bussmann 170M6414?
The 170M6414 is certified and compliant to IEC 60269-4 (the international standard for semiconductor fuses), IEC Rated, UL/CSA Listed, CE Marked, and RoHS Compliant. This combination of certifications makes it suitable for both domestic Indian projects requiring IEC compliance and export or multinational projects requiring UL or CE documentation.
How do I order the Eaton Bussmann 170M6414 from Shansen Enterprises?
You can request a quote for the Eaton Bussmann 170M6414 directly through Shansen Enterprises by clicking the WhatsApp button on this page or by sending an email inquiry using the contact form. Please mention the catalog number 170M6414, required quantity, and your delivery location in India. Our team in Coimbatore will respond promptly with pricing, availability, and estimated delivery timelines for your project.
