ST 4-HESI (5×20) – Compact Fuse Terminal for Reliable Circuit Protection
🔍 1. Product Overview
The ST 4-HESI (5×20) is a DIN rail-mounted fuse terminal block designed for standard 5×20mm cartridge fuses. It provides reliable overcurrent protection in industrial environments where space, safety, and serviceability matter most.
⚙️ 2. Technical Highlights
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Fuse Compatibility: 5×20mm
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Rated Current: Up to 6.3A
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Voltage Rating: 500V
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Wire Range: 0.08–6 mm² (AWG 28–10)
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Housing Material: UL94 V-0 flame-retardant PA66
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Mounting: NS35/7.5 DIN rail
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Bridge Compatibility: Supports FBS plug-in bridges (2–10 poles)
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Colors: Gray and Black available
🛡 3. Key Benefits
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✅ Space-Saving design for dense control cabinets
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✅ Quick Fuse Replacement without disassembly
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✅ Modular Bridging System enables parallel or distributed wiring
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✅ High Safety with clear marking and flame-retardant materials
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✅ Cost-Effective Alternative to premium global brands
🏭 4. Typical Applications
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Industrial automation cabinets
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Power distribution systems
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Rail and transportation control boxes
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Renewable energy and storage systems
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HVAC, lighting and building control systems
📦 5. Packaging & Accessories
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Supplied in packs of 50
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Compatible accessories: End plates, markers, plug-in bridges
📣 Conclusion & Call to Action
The ST 4-HESI (5×20) isn’t just a terminal block — it’s a smarter way to protect your circuits. With proven durability, streamlined wiring, and full customization potential, it’s the ideal choice for electrical engineers and panel builders around the world.
