Description
Overview
The Eaton Bussmann DD125 is a low voltage BS88 Type fuse link belonging to the Bussmann TSF series, engineered for general-purpose overcurrent protection in demanding industrial and commercial electrical installations. With a 125A current rating, 415V AC voltage rating, and an 80 kA breaking capacity, it is built to handle high fault currents safely in switchgear panels, motor control centres, and distribution boards across India. The bolted-type, centre tag single slot (B2) construction ensures secure mechanical connection and reliable electrical performance throughout its service life.
Key Features
- 125A Amperage Rating — Handles substantial load currents for feeders, motors, and distribution circuits without nuisance tripping
- 415V AC System Rating — Directly matched to standard Indian three-phase LV supply voltage for plug-and-play compatibility
- 80 kA Breaking Capacity — Clears high prospective fault currents safely, protecting downstream equipment and personnel
- Class gG Fuse Classification — Full-range general-purpose fuse suitable for protecting cables and general electrical equipment from overloads and short circuits
- BS88 Part 2 / IEC 60269-2 Compliance — Meets internationally recognised standards, accepted by electrical inspectors and consultants across India
- Bolted-Type Construction — Provides low-resistance, vibration-resistant connections ideal for industrial panel environments
- Centre Tag Single Slot (B2 Size) — Ensures correct fitment into compatible BS88 fuse carriers and bases, preventing misapplication
- CE Marked and RoHS Compliant — Meets European regulatory requirements; suitable for export machinery and OEM equipment built in India
- IEC Rated Certification — Independently verified performance under IEC test conditions for engineering confidence
- Bussmann TSF Series — Backed by Eaton’s global manufacturing quality and consistent batch-to-batch performance
Technical Specifications
| Specification | Value |
|---|---|
| Catalog Number | DD125 |
| Series | Bussmann TSF |
| Fuse Type | BS88 Fuse Link, Bolted Type |
| BS Size | B2 |
| Tag Type | Centre Tag Single Slot |
| Amperage Rating | 125 A |
| Rated Voltage | 415 V AC |
| Voltage Range | 415V AC System |
| Breaking Capacity | 80 kA |
| Fuse Class | Class gG |
| Standard | BS88 Part 2, IEC 60269-2 |
| Compliances | CE Marked, RoHS Compliant |
| Certifications | IEC Rated |
| Delivery Class | TSF |
| Application | General purpose circuit protection — low voltage switchgear panels, motor control centres, distribution boards |
Applications & Selection Guide
The Eaton Bussmann DD125 is the correct choice when you need a 125A general-purpose fuse for protecting cables, busbars, sub-distribution feeders, and motor branch circuits operating on a 415V AC three-phase system. Its Class gG rating means it provides full-range protection — responding to both sustained overloads and high-magnitude short-circuit faults — making it appropriate wherever a cable or equipment requires protection from both thermal and fault-current damage without requiring a dedicated motor-duty fuse class.
In Indian industrial facilities, this fuse link is widely used in MCC (Motor Control Centre) panels for drives and starters up to appropriate KW ratings, in PCC (Power Control Centre) distribution boards, in factory supply sub-mains, and in commercial building main distribution boards where BS88-compatible fuse gear is specified. The 80 kA breaking capacity is particularly important at points close to transformers or busbars where prospective short-circuit currents can be very high.
Industries across Tamil Nadu, Maharashtra, Gujarat, and other manufacturing hubs in India regularly specify Bussmann BS88 fuse links in their panel builds for automotive plants, textile mills, food processing facilities, pharmaceutical manufacturing, and infrastructure projects. When selecting, always verify the prospective fault current at the point of installation does not exceed 80 kA, and ensure your fuse base or carrier is rated for B2 size and compatible with bolted-type centre tag single slot construction.
Why Buy from Shansen Enterprises?
- Authorized Eaton Channel Partner in Coimbatore — supply genuine, current-production Bussmann fuses with full traceability
- 100% genuine products supplied with manufacturer warranty — no grey-market or counterfeit risk
- Pan-India delivery — Coimbatore, Chennai, Bengaluru, Mumbai, Pune, Hyderabad, Ahmedabad and beyond
- WhatsApp technical support — get application guidance, cross-reference help, and order updates instantly
- Bulk and project pricing for panel builders, EPC contractors, and OEM manufacturers
Compatible Products & Accessories
- Eaton Bussmann BS88 Fuse Carriers and Bases (B2 size, compatible with bolted-type centre tag single slot fuse links)
- Eaton Bussmann BS88 Fuse Holders for DIN rail or busbar mounting
- Eaton Bussmann Fuse Striker / Blown Fuse Indicators for BS88 fuse links
- Eaton Bussmann BS88 Fuse Links in adjacent ratings: DD100, DD160, DD200 (for grading studies)
- Eaton Bussmann TSF Series Fuse Links (other ratings in the same series for coordinated protection schemes)
- Eaton Moeller circuit breakers and contactors for downstream motor protection coordination
Frequently Asked Questions
What does the Class gG rating mean for the Eaton Bussmann DD125 fuse link?
Class gG designates a general-purpose, full-range fuse capable of breaking any current from the minimum fusing current up to the rated breaking capacity (80 kA in this case). The lowercase ‘g’ indicates full-range breaking capability and the ‘G’ indicates general application — meaning it protects cables and general electrical equipment against both overloads and short circuits. It is not optimised for motor starting surge currents the way an aM (motor-duty) fuse would be, so it is best used for feeder protection, sub-distribution circuits, and applications where the load does not draw large, sustained starting currents.
Is the DD125 fuse link compatible with Indian 415V three-phase electrical systems?
Yes. The Eaton Bussmann DD125 is rated at 415V AC, which directly matches the standard three-phase line voltage used in Indian industrial and commercial installations (nominally 415V between phases, 240V phase-to-neutral). No derating or special consideration is required for use on standard Indian LV distribution networks. Always confirm the actual system voltage at your installation point falls within the rated 415V AC range.
What is the breaking capacity of the DD125 and why does it matter?
The DD125 has a breaking capacity of 80 kA. This means it can safely interrupt a prospective short-circuit current of up to 80 kA without rupturing, catching fire, or allowing sustained arcing. In practice, installations close to large transformers or main busbars can have prospective fault currents well above 50 kA, so verifying that your fuse’s breaking capacity exceeds the calculated prospective fault current at the point of installation is a fundamental safety and compliance requirement under IS/IEC standards followed in India.
What BS88 fuse carrier or base is needed to mount the DD125?
The DD125 is a B2 size, bolted-type, centre tag single slot BS88 fuse link. You need a compatible BS88 fuse carrier or fuse base rated for B2 size and designed to accept a bolted, centre tag single slot fuse. Using an incorrectly sized carrier risks poor contact resistance, overheating, and potential failure. Shansen Enterprises can advise on compatible Eaton Bussmann carriers and bases — contact us via WhatsApp or email with your panel requirements for specific recommendations.
Does the Eaton Bussmann DD125 comply with Indian and international standards?
Yes. The DD125 complies with BS88 Part 2 and IEC 60269-2, which are the internationally recognised standards for low voltage fuse links of this type and are accepted by electrical inspectors, consultants, and regulatory bodies in India. It is also CE marked and RoHS compliant, and holds IEC Rated certification, confirming that its performance has been independently verified under standardised test conditions.
How do I order the Eaton Bussmann DD125 from Shansen Enterprises?
You can request a quote for the Eaton Bussmann DD125 directly from Shansen Enterprises by clicking the WhatsApp button on this page or by sending an email to our sales team. Please mention the catalog number DD125, the quantity required, and your delivery location in India. As an authorized Eaton channel partner in Coimbatore, we supply genuine Bussmann fuse links with manufacturer warranty and can offer project pricing, bulk discounts, and pan-India delivery. Our team will respond promptly with pricing and estimated lead time.
