Lawson BS88 Fuses – J Type Fuses for Industrial Distribution and Pole Mounted Cut-Outs | Casadaa Distribution
Shop Lawson BS88 J-Type Fuses (JF, JHU, JPU, JSU Series) – 20A to 800A, 415V AC
Casadaa Distribution offers a complete range of Lawson BS88 J-Type fuses, trusted for their reliability, safety, and compliance with industry standards. Designed for both pole-mounted cut-outs and distribution board applications, these fuses provide overcurrent protection in low-voltage electrical systems up to 415V AC, with current ratings from 20A to 800A.
Product Categories
🔹 JF Series – End Cap Connection Ferrule Fuses (For Pole-Mounted Cut-Outs)
The JF Series features end cap connection ferrules, making them ideal for overhead and pole-mounted distribution applications. Engineered to meet BS88 standards, these fuses provide robust fault protection in harsh outdoor environments.
Voltage Rating: 415V AC
Current Range: 20A – 315A
Fuse Types:
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JF20 to JF315
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For pole-mounted cut-out installations
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Cylindrical ferrule connections for secure fit
🔹 JHU Series – Distribution Fuses with Central Tags
The JHU Series is designed for use in distribution boards and industrial panels, offering central tags for reliable mounting and connectivity.
Voltage Rating: 415V AC
Current Range: 20A – 315A
Applications:
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Industrial distribution systems
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LV switchgear and panel boards
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Compact form factor for standard holders
🔹 JPU Series – Heavy-Duty Central Tag Fuses (Extended Range)
The JPU Series expands the current range of J-Type distribution fuses up to 630A, making them suitable for higher-load applications requiring heavy-duty fault interruption.
Voltage Rating: 415V AC
Current Range: 20A – 630A
Key Features:
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Full compatibility with BS88 distribution fuse carriers
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Robust design for industrial-grade circuits
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Ideal for commercial and heavy electrical installations
🔹 JSU Series – High-Capacity Distribution Fuses (Up to 800A)
The JSU Series pushes the upper limit of J-Type fuse capacity, offering ratings up to 800A for maximum protection in high-current low-voltage systems.
Voltage Rating: 415V AC
Current Range: 20A – 800A
Benefits:
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Designed for demanding applications with large load currents
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Suitable for motor protection, transformers, and sub-distribution boards
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High interrupting capacity and thermal performance
Key Technical Benefits
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✅ BS88 Compliant: Manufactured to meet BS88 standards for HRC fuses
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✅ AC Voltage Rating: All fuses rated at 415V AC
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✅ Current Range: Full coverage from 20A to 800A
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✅ High Breaking Capacity: Suitable for industrial short-circuit protection
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✅ Design Options: Choose between end cap ferrule (JF) or central tag connection (JHU, JPU, JSU)
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✅ Trusted Brand: Lawson fuses are widely used by utility providers and industrial OEMs
Applications
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🔌 LV Distribution Boards
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⚙️ Industrial Switchgear
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🏗️ Construction Site Panels
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🌐 Utility and DNO Installations
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🔋 Transformer and Motor Protection
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⚡ Overcurrent Protection in Commercial Installations
Available Part Numbers
🔸 JF Series (Ferrule Type – For Pole Mounted Cut-Outs)
JF20, JF40, JF50, JF63, JF80, JF100, JF125, JF160, JF200, JF250, JF315
🔸 JHU Series (Distribution, Central Tags)
JHU20, JHU32, JHU40, JHU50, JHU63, JHU80, JHU100, JHU125, JHU160, JHU200, JHU250, JHU315
🔸 JPU Series (Extended Rating, Central Tags)
JPU20, JPU32, JPU40, JPU50, JPU63, JPU80, JPU100, JPU125, JPU160, JPU200, JPU250, JPU315, JPU355, JPU400, JPU450, JPU500, JPU560, JPU630
🔸 JSU Series (High-Current Distribution, Central Tags)
JSU20, JSU32, JSU40, JSU50, JSU63, JSU80, JSU100, JSU125, JSU160, JSU200, JSU250, JSU315, JSU355, JSU400, JSU450, JSU500, JSU560, JSU630, JSU800
Why Choose Casadaa Distribution?
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✔️ Lawson Distributor
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✔️ Wide Part Availability
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✔️ Expert Support for Industrial Applications
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✔️ Fast Fulfilment and UK/EU Distribution
⚡ Find Your Ideal Lawson Fuse Today
Browse the full range of BS88 J-Type Lawson Fuses from Casadaa Distribution and secure dependable protection for your low-voltage electrical systems.