Description
Overview
The Eaton Bussmann 170M3815D is a high speed square body semiconductor fuse rated at 200 A and 690 V AC, designed specifically for protecting solid-state power devices such as SCRs, IGBTs, diodes, and thyristor stacks. Part of the proven Bussmann 170M Series, this fuse conforms to IEC 60269-4 and DIN 43620 DIN 1 format with knife blade contacts, ensuring compatibility with standard semiconductor fuse holders and bus bar mounting systems. Its ultra-fast clearing action and 200 kA breaking capacity make it the preferred choice for engineers specifying protection in high-demand industrial power conversion equipment.
Key Features
- 200 A Current Rating — precise overcurrent protection calibrated for semiconductor-grade response times
- 690 V AC Rated Voltage — suitable for standard industrial distribution voltage levels across Indian facilities
- 200 kA Interrupt Rating — handles the highest available fault currents in industrial power systems
- Class aR Fuse Classification — optimised exclusively for semiconductor protection with fast let-through characteristics
- DIN 43620 DIN 1 Format with Knife Blade Contacts — direct interchangeability with DIN-standard fuse holders and mounting hardware
- Dual Fuse Indicator (Type D) — provides visible and remote signalling of fuse operation for rapid maintenance response
- IEC 60269-4 Compliant — meets international standards for semiconductor fuse performance and testing
- CE Marked and RoHS Compliant — meets European regulatory requirements and restricts hazardous substances for safe industrial use
- Bussmann 170M Series Platform — broad amperage range with consistent form factor simplifies spares management for panel builders
Technical Specifications
| Specification | Value |
|---|---|
| Catalog Number | 170M3815D |
| Series | Bussmann 170M |
| Amperage Rating | 200 A |
| Rated Voltage AC | 690 V |
| Interrupt Rating | 200 kA |
| Breaking Capacity | 200 kA |
| Fuse Class | Class aR |
| Construction | DIN 43620 DIN 1 format with knife blade contacts |
| Fuse Indicator | Dual Indicator (Type D) |
| Standard | IEC 60269-4 |
| Compliances | CE Marked, RoHS Compliant |
| Certifications | IEC Rated |
| Application | Semiconductor protection, DC common bus, DC drives, power converters, rectifiers, VFDs, soft starters, thyristor stacks |
Applications & Selection Guide
The 170M3815D is engineered for semiconductor protection duty in variable frequency drives (VFDs), soft starters, DC common bus systems, rectifier bridges, power converters, and thyristor stacks where standard gG fuses are too slow to prevent device damage. The Class aR rating confirms this fuse operates exclusively in the high-speed range required to protect silicon devices — it should not be used as a general-purpose branch circuit fuse. When specifying for a drive or converter, always match the fuse current rating to the semiconductor manufacturer’s I²t co-ordination data to ensure the fuse clears before the device reaches its I²t withstand limit.
In India, the 170M3815D is widely used in industrial automation panels, steel plant drives, textile mill VFD panels, water treatment pump drives, and renewable energy inverter assemblies where 690 V class equipment operates with high available fault currents. The DIN 43620 DIN 1 knife blade format is accepted by a broad range of fuse holder manufacturers, simplifying retrofit and new-build installations in Coimbatore and across Tamil Nadu’s manufacturing sector.
For multi-drive cabinet builders and OEMs requiring consistent semiconductor protection across a range of current ratings, the full Bussmann 170M Series offers a scalable solution with a uniform form factor and indicator type, reducing the number of unique components held in spares inventory. Contact Shansen Enterprises for application guidance and quantity pricing on 170M Series fuses across India.
Why Buy from Shansen Enterprises?
- Authorized Eaton Channel Partner in Coimbatore — supply genuine 170M Series fuses with full manufacturer traceability
- 100% genuine products with Eaton warranty — no grey-market or counterfeit risk
- Pan-India delivery — serving panel builders, OEMs, and plant maintenance teams from Tamil Nadu to every state
- WhatsApp technical support — fast co-ordination guidance and cross-reference assistance from our engineering team
- Bulk pricing for panel builders and system integrators — competitive rates on project and blanket purchase orders
Compatible Products & Accessories
- Eaton Bussmann 170M Series fuse holders and DIN 43620 fuse bases
- Eaton Bussmann 170M Series knife blade contact fuse carriers
- Auxiliary microswitch indicator contacts for remote blown-fuse signalling
- DIN rail and bus bar mounting hardware for 170M DIN 1 format fuses
- Complementary 170M Series fuses in adjacent current ratings for drive input and output protection co-ordination
- Eaton Bussmann semiconductor fuse co-ordination software for I²t matching
Frequently Asked Questions
What does the Class aR rating mean for the 170M3815D?
Class aR (current limiting, range fuse for semiconductor protection) means the 170M3815D is designed to clear only the high overcurrent range fast enough to protect silicon semiconductor devices. Unlike general-purpose gG fuses, a Class aR fuse is not intended to provide overload protection — it works in conjunction with other protection devices and must be co-ordinated with the semiconductor’s published I²t withstand rating to be effective.
Is the 170M3815D suitable for protecting VFDs and soft starters in Indian industrial plants?
Yes. The 170M3815D is rated at 690 V AC and 200 A with a 200 kA interrupt rating, making it well matched for input or DC bus protection of VFDs and soft starters used in Indian industrial applications including pumps, compressors, conveyors, and HVAC systems. Always verify the drive manufacturer’s recommended fuse I²t co-ordination data before finalising the selection.
What is the dual fuse indicator (Type D) on the 170M3815D?
The Type D dual indicator provides both a visual pop-up flag that is visible through the panel door or cover, and a secondary indicator pin that can actuate an auxiliary microswitch for remote blown-fuse alarm signalling to a PLC or SCADA system. This reduces maintenance response time in large drive panels where visual inspection of individual fuses would otherwise be time-consuming.
Can the 170M3815D be used on DC bus applications?
The 170M3815D is specified by Eaton Bussmann for DC common bus and DC drive protection applications. For DC applications, the operating voltage must be verified against the fuse’s DC voltage rating. Consult the Eaton Bussmann 170M Series datasheet or contact Shansen Enterprises with your DC bus voltage and fault current data for confirmation before installation.
Does the 170M3815D comply with IEC standards applicable in India?
Yes. The 170M3815D is rated and tested to IEC 60269-4, which is the internationally recognised standard for high speed fuses used in semiconductor protection. It is also CE marked and RoHS compliant. IEC 60269-4 is referenced in Indian industrial electrical installation standards, and this compliance makes the fuse acceptable for use in BIS-aligned panel builds and export projects.
How do I order the Eaton Bussmann 170M3815D from Shansen Enterprises?
You can request a quote directly from Shansen Enterprises by clicking the WhatsApp button on this page or by sending an email to our sales team with catalog number 170M3815D and your required quantity. We supply genuine Eaton Bussmann products with pan-India delivery from our base in Coimbatore, Tamil Nadu. Our team can also assist with fuse holder selection, bulk order pricing, and application co-ordination queries.
