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MERSEN FUSE 355C1 BTM42V355
BS88 gG Type C1 355A fuse-link with central bolted tag terminals, rated for 415VAC and 240VDC, offering high breaking capacity and robust ceramic construction.
£36.21
Why Choose the Mersen BTM42V355 Industrial Fuse-Link?
The Mersen BTM42V355 is a high-current industrial fuse-link intended to provide dependable overcurrent and short-circuit protection in low-voltage power distribution systems. Manufactured by Mersen, it is suitable for commercial and industrial installations where reliable fault interruption and effective current limitation are required.
This fuse-link helps protect cables, busbars, switchgear and connected electrical equipment by interrupting excessive current during qualifying overload and short-circuit conditions. Its robust construction makes it suitable for use in distribution panels, switchboards, fuse-switch disconnectors and industrial machinery assemblies.
The BTM42V355 product designation indicates a 355 A nominal current rating and a voltage class associated with approximately 415 V AC systems. The exact utilisation category, mounting dimensions, breaking capacity, DC rating and compatible fuse gear should be verified against current Mersen technical documentation before installation.
Key Advantages
- High-current industrial fuse-link for power distribution protection.
- 355 A nominal current rating for substantial electrical loads.
- Suitable for low-voltage systems operating at approximately 415 V AC.
- Helps protect cables, busbars, switchgear and connected equipment.
- Current-limiting operation helps reduce damaging fault energy.
- Suitable for industrial switchboards and distribution assemblies.
Key Features
- Mersen BTM industrial fuse-link series.
- 355 A nominal current rating.
- 415 V AC voltage class.
- Designed for overcurrent and short-circuit protection.
- Suitable for high-current distribution circuits.
- Current-limiting fuse operation.
- Non-resettable protective element.
- Intended for installation in compatible industrial fuse gear.
Reliable Protection for Industrial Distribution Systems
High-current fuse-links such as the Mersen BTM42V355 are used to interrupt serious electrical faults before conductors, busbars or connected equipment sustain extensive thermal or mechanical damage. When the current exceeds the fuse-link's operating characteristic, the internal element melts and isolates the affected circuit.
The current-limiting action of a correctly selected fuse can reduce the peak current and let-through energy experienced by downstream equipment during a short circuit. This helps reduce stress on switchgear, cables and electrical components while supporting effective protection coordination.
Correct fuse selection should consider continuous load current, ambient temperature, enclosure conditions, cable capacity, prospective short-circuit current and coordination with upstream and downstream protective devices.
Typical Applications
- Industrial power distribution switchboards.
- High-current feeder and submain circuits.
- Busbar and cable protection.
- Manufacturing and processing facilities.
- Large machinery and plant installations.
- OEM electrical distribution assemblies.
Technical Specifications
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| Fuse Class | gG | |
|---|---|---|
| Voltage | 415 V | |
| Item number | G226326 | |
| Catalogue No | BTM42V355 | |
| Description | British Standard fuse-link IEC BS88 gG Type C1 415VAC 240VDC 355A BTM Central Bolted Tag | |
| EAN/UPC Code | 3605340268034 | |
| Rated voltage AC IEC | 415 V | |
| Rated voltage DC IEC | 240 V | |
| Ampere Rating | 355 A | |
| RoHS Compliant | Yes | |
| AC or DC | AC/DC | |
| Speed/Characteristic | gG | |
| Fuse Size | C1 | |
| Mounting | Bolted | |
| Clearing I2t At Rated Voltage | 1106000 A²s | |
| Melting I2t | 395000 A²s | |
| AC Max I.R./Breaking Capacity | I1: 80 kA | |
| Max. Rated Breaking Capacity DC | 40 kA | |
| Connection/Terminal Material | Tin-Plated Copper | |
| Connection/Terminal Type | Central Bolted Tag | |
| Product Diameter | 59.1 mm | |
| Product Length | 212 mm | |
| Sell Pack Quantity | 1 EA | |
| Sell Pack Weight | 0.73 kg | |
| Sell Pack Width | 64 mm | |
| Sell Pack Length | 226 mm | |
| Sell Pack Height | 67 mm | |
| Product group | Low Voltage IEC Fuses | |
| Body/Insulating Material | Ceramic | |
| Product Weight | 0.73 kg | |
| Power Dissipation at Rated Current Value | 32 W | |
| HS Code | 85361090 | |
| Country of Manufacture | India |
Frequently Asked Questions
What is the Mersen BTM42V355 used for?
The BTM42V355 is intended to protect high-current industrial power circuits, conductors, busbars, switchgear and connected equipment against excessive current and short-circuit faults.
What is the current rating of the BTM42V355?
The product designation indicates a nominal current rating of 355 A.
What voltage class does the BTM42V355 have?
The product code indicates a voltage class associated with approximately 415 V AC. Exact voltage ratings should be verified against current Mersen technical documentation.
Where can the BTM42V355 be installed?
It may be installed in compatible industrial fuse holders, fuse-switch disconnectors, switchboards and power distribution assemblies designed for its rating, dimensions and connection arrangement.
Can the Mersen BTM42V355 be reset after operation?
No. The BTM42V355 is a non-resettable fuse-link and must be replaced with a compatible product of the correct type and rating after it operates.
Trusted Industrial Protection from Mersen
Mersen industrial fuse-links are used to provide dependable protection for cables, busbars, switchgear and critical power distribution equipment. Final product selection should be verified against official technical data and the electrical requirements of the installation.
