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MERSEN FUSE SI TT 70/71 C301233
MPN: C301233
Special Price
£82.26
£68.55
Regular Price
£149.57
Why Choose the Mersen C301233 SI TT 70/71 High-Voltage Fuse Holder?
The Mersen C301233 high-voltage fuse holder is the professional’s choice for secure and durable overcurrent protection in high-voltage electrical systems. Designed for compatibility with SI TT 70 and SI TT 71 fuses, it delivers reliable 2,500 VAC insulation performance across switchgear, MCCs, control panels, and solar PV systems. Its tool-friendly DIN rail or panel mounting enables rapid, fail-safe installation, while its high-strength thermoplastic construction ensures longevity even in vibration-prone or thermally stressful conditions. Backed by Mersen’s global manufacturing standards, the C301233 meets IEC 60269 and RoHS requirements and serves as a trusted retrofit and OEM component. Whether you're building new systems or servicing legacy installations, this fuse holder ensures performance, compliance, and supply continuity worldwide.
Fully compatible with both legacy and modern SI TT 70/71 fuses, the Mersen C301233 is engineered for rugged high-voltage environments. It enables quick, secure installation on DIN rail or panel configurations and is backed by Mersen’s globally recognised quality assurance and supply chain reliability—making it a dependable choice for engineers and OEMs worldwide.
Technical Specifications
- Manufacturer: Mersen (formerly Ferraz Shawmut)
- Model / Part Number: C301233 (SI TT 70/71 fuse holder)
- Pole Configuration: Single‑pole (1P)
- Voltage Rating: 2,500 VAC
- Mounting Style: DIN rail or panel mount
- Fuse Series Compatibility: SI TT‑70 and SI TT‑71 series
- Weight: ~0.691 kg per unit
- Construction: High-durability thermoplastic with screw-type terminals
- Compliance: IEC 60269, RoHS compliant
Applications
- Industrial switchgear and electrical distribution cabinets
- Motor control centres (MCCs) and machine control panels
- Solar PV fuse protection and overcurrent isolation
- OEM equipment requiring legacy SI TT 70/71 fuse holders
Frequently Asked Questions
- What fuse types fit this holder?
- What is the rated voltage and current capacity?
- Where can I source official parts?
- Is this product stocked with immediate lead time?
- Does it include mounting accessories?
Trusted by Electrical Professionals Worldwide
"We rely on the Mersen C301233 fuse holders across our panel builds—consistent fit, strong build, and long-term reliability. Excellent for legacy SI TT series fuse integration."
— Electrical Maintenance Engineer, UK Industrial Plant
The C301233 is compatible with Mersen SI TT‑70 and SI TT‑71 series fuses—providing a secure base for high-strength, high-voltage fuse cartridges.
This single‑pole fuse holder is rated for 2,500 VAC and designed to handle fuse sizes compatible with SI TT series fuses. Current rating depends on the specific fuse used.
Official inventory is available via authorized distributors such as Mouser, RS Components, DigiKey, Kempston Controls, and Octopart comparisons.
Availability varies—some suppliers (e.g. Mouser, RS) show non-stock or backorder status with lead times around 9–10 days, while others may hold limited stock.
The standard product listing includes only the fuse holder itself. Mounting screws or connectors may need to be sourced separately depending on panel specifications.
| Manufacturer Part Number | C301233 |
|---|---|
| Packed Quantity | 1 |
| Barcode | 3605340338522 |
| Manufacturer | Mersen |
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