Eaton Bussmann High Voltage Fuses & Fuse Holders – GSMJ, GSMK, XF, SP Series

🔋 Reliable Protection for High-Power and Sensitive Applications

Eaton Bussmann’s GSMJ and GSMK fuse links provide high-voltage circuit protection in demanding industrial and utility environments, while XF series time-delay fuses and SP carriers are ideal for low-current circuits and space-constrained systems. All parts are engineered for durability, performance, and compliance with international standards.

⚡ GSMJ & GSMK Series – High Voltage, High Current Protection

The GSMJ and GSMK fuses are part of Eaton Bussmann’s gR and gG/gS fuse link ranges, designed for equipment operating at 800 V–1000 V AC/DC. These fuses offer full-range overload and short-circuit protection and are typically used in power distribution, renewables, and heavy industry.

🔧 Key Features:

• Rated voltages:

  • GSMJ: Up to 800 V AC

  • GSMK: Up to 1000 V AC and 1000 V DC (select models)

• Rated currents: from 32 A up to 1200 A

• Breaking capacity: high interrupt ratings for industrial safety

• DIN-standard blade design for compatibility with standard fuse holders

• Compact, low-loss ceramic construction

📦 Example Part Numbers:

• GSMJ400 – 400 A / 800 V AC fuse (SFE8340400)

• GSMJ680 – 680 A / 800 V AC fuse

• GSMJ1200 – 1200 A / 800 V AC fuse

• GSMK32 – 32 A / 1000 V DC fuse

• GSMK1000 – 1000 A / 1000 V AC fuse

• GSMK1200 – 1200 A / 1000 V AC fuse

🏭 Ideal for:

• Photovoltaic inverters

• Battery energy storage systems

• Medium-voltage switchboards

• Utility power panels

• Large motors, drives, and soft-starters

⏱️ XF Series Time Fuses – Precision for Low Current Circuits

Eaton XF fuse links offer precise time-delay performance, ideal for protection of sensitive devices in control panels, instrumentation, and telecommunications.

🔧 Specifications:

• Current ratings: from 3 A to 15 A

• Time-delay characteristic allows short-term inrush currents

• Compatible with BS88-type miniature fuse carriers

📦 Popular Part Numbers:

• XF3 – 3 A

• XF7-5 – 7.5 A

• XF12-5 – 12.5 A

• XF15 – 15 A

🧱 SP Series Shrouded Fuse Holders & Bases – Compact, Safe, Modular

The SP20 and SP63 series provide modular, shrouded fuse bases and carriers for low-to-medium current installations. Designed for quick fuse replacement and safe operation even in confined panel spaces.

🔧 Features:

• Fully shrouded fuse carriers – touch-safe, IP-rated designs

• Snap-in and screw-mount options

• Available as base-only (SP20HBASE, SP63HBASE), carrier-only (SP20CAR, SP63CAR), or complete assemblies (SP20P, SP63P)

• Easy to integrate into control panels, distribution boards, and lighting panels

📦 Typical Part Numbers:

• SP20CAR – Shrouded carrier for 20 A

• SP20HBASE – Shrouded base for 20 A

• SP63CAR, SP63HBASE – Components for 63 A systems

• SP63P – Pre-assembled 63 A holder with all components

• 012-4882 – Size 2 shrouded carrier, industrial use

✅ Casadaa Distribution – Your Trusted Source for Bussmann Components

• Complete GSMJ, GSMK, XF, and SP ranges in stock

• Genuine Eaton Bussmann parts – traceable and compliant

• Expert technical support and application advice

• Fast dispatch across the UK, EU, and international

• Volume pricing and project discounts available

📞 Ready to Order?

Need help selecting the right fuse for your high-voltage, control, or renewable energy application?

👉 Contact Casadaa Distribution today or browse our online shop for real-time availability and datasheets.