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MERSEN FUSE BJU42V630SD BJU42V630SD
Certified BS88 and IEC standard 630A fuse-link with 80 kA breaking capacity, ceramic body, and clip mounting for industrial power distribution up to 415VAC.
£98.43
Why Choose the Mersen H1003957 BJU42V630SD BS88 Feeder Pillar Fuse?
The Mersen H1003957 (BJU42V630SD) is a high-performance BS88 gU feeder pillar fuse link designed to protect street lighting networks, distribution pillars and other low voltage electrical systems against overload and short-circuit currents. Rated at 630 A and 415 V AC, it is the highest-current fuse link listed within Mersen's BJU feeder pillar range.
Mersen designs its feeder pillar fuse links for use with wedge-type fuse carriers in electricity supply and infrastructure applications. The BJU42V630SD has 92 mm fixing centres and combines rapid fault isolation with strong current-limiting performance, helping reduce thermal and mechanical stress on cables, switchgear and connected equipment.
With an 80 kA AC breaking capacity, gU utilisation category and ceramic body construction, the H1003957 provides dependable protection in demanding utility and industrial environments. The range is manufactured in accordance with EN 60269-2 and BS88-2.
Key Advantages
- Heavy-duty 630 A BS88 feeder pillar fuse link.
- 415 V AC rated voltage for low voltage distribution systems.
- 80 kA AC breaking capacity for high prospective fault currents.
- Current-limiting operation helps reduce fault energy.
- Provides immediate isolation during qualifying fault conditions.
- Designed for wedge-type carriers with 92 mm fixing centres.
- Supports reliable coordination within street lighting and utility networks.
- Ceramic body construction for robust electrical performance.
Key Features
- Mersen BJU feeder pillar fuse range.
- Catalogue reference: BJU42V630SD.
- Item number: H1003957.
- Rated current: 630 A.
- Rated voltage: 415 V AC.
- Utilisation category: gU.
- Rated breaking capacity: 80 kA AC.
- Fixing centres: 92 mm.
- Power dissipation at rated current: 39 W.
- Suitable for wedge-type fuse carriers.
Reliable Protection for Heavy-Duty Distribution Networks
The Mersen H1003957 is engineered for electrical networks where high continuous current capability and rapid fault interruption are essential. During a short circuit, its current-limiting action helps restrict the peak current and total energy passed into downstream conductors and equipment.
Correct fuse selection can improve coordination, enable immediate isolation and support fire safety within street lighting and electricity supply installations. The fuse rating, carrier compatibility and circuit characteristics should always be verified by a qualified electrical professional before installation.
Typical Applications
- Street lighting feeder pillars.
- Electricity supply distribution pillars.
- Open-type substation boards.
- Heavy-duty service cut-outs.
- Underground disconnecting boxes.
- Low voltage utility distribution systems.
- Industrial power distribution equipment.
Technical Specifications
Tick the specs you need, then view products that match.
| Fuse Class | gG | |
|---|---|---|
| Voltage | 415 V | |
| Item number | H1003957 | |
| Catalogue No | BJU42V630SD | |
| Description | British Standard fuse-link IEC BS88 gU Type 130x74 415VAC 630A | |
| EAN/UPC Code | 3605340478433 | |
| Rated voltage AC IEC | 415 V | |
| Ampere Rating | 630 A | |
| RoHS Compliant | Yes | |
| AC or DC | AC | |
| Speed/Characteristic | gG | |
| Fuse Size | 130x74 | |
| Mounting | Clip | |
| Clearing I2t At Rated Voltage | 3800000 A²s | |
| Melting I2t | 634000 A²s | |
| AC Max I.R./Breaking Capacity | I1: 80 kA | |
| Connection/Terminal Material | Copper | |
| Connection/Terminal Type | Blade | |
| Product Diameter | 74.3 mm | |
| Product Length | 130.5 mm | |
| Product Height | 41 mm | |
| Sell Pack Quantity | 1 EA | |
| Sell Pack Weight | 0.706 kg | |
| Sell Pack Width | 155 mm | |
| Sell Pack Length | 80 mm | |
| Sell Pack Height | 80 mm | |
| Product group | Low Voltage IEC Fuses | |
| Body/Insulating Material | Ceramic | |
| Product Weight | 0.706 kg | |
| Power Dissipation at Rated Current Value | 39 W | |
| HS Code | 85361090 | |
| Country of Manufacture | India |
Frequently Asked Questions
What is the Mersen H1003957 used for?
The H1003957 is used to provide overload and short-circuit protection in feeder pillars, street lighting networks, utility distribution equipment and other compatible low voltage systems.
What is the current rating of the H1003957?
The Mersen H1003957 has a rated current of 630 A.
What voltage is the BJU42V630SD rated for?
The BJU42V630SD is rated for operation at up to 415 V AC.
What is the breaking capacity of this fuse?
It has a rated AC breaking capacity of 80 kA.
What are the fixing centres?
The Mersen H1003957 has 92 mm fixing centres and is designed for use with a compatible wedge-type fuse carrier.
What are the I²t values for the H1003957?
The specified pre-arcing I²t is 634,000 A²s, while the clearing I²t at rated voltage is 3,800,000 A²s.
Which standards apply to this fuse link?
The Mersen BJU feeder pillar range is specified in accordance with EN 60269-2 and BS88-2.
Trusted Protection from Mersen
Mersen feeder pillar fuse links are designed to provide effective coordination, immediate fault isolation and dependable protection across street lighting, utility and industrial low voltage distribution systems.
