Specialized Fire Hazard Prevention with 300mA Sensitivity
The EPS 40A 300mA 4 Pole RCCB provides specialized, essential defense against systemic tracking faults and insulation degradation within your property. Featuring a dedicated 300mA (0.3A) earth leakage trip threshold, this unit operates as a macro-level protector at the main incoming point of a 3-phase distribution network. Consequently, it easily distinguishes severe fire-causing leakage faults without inducing annoying, unnecessary power cutouts from standard appliance startups. Therefore, it remains the ultimate protection choice for light commercial properties, multi-storey shop lots, and standard 3-phase homes in Subang Jaya.
Certified Quality and Global Safety Benchmarks
Engineered to withstand demanding grid environments without compromising protection thresholds, this 4-pole circuit breaker handles a full 40A continuous current balance across a 415V~ three-phase architecture. It completely complies with international IEC 61008-1 structural safety benchmarks to guarantee long-term operational integrity. Additionally, the unit features a high-visibility yellow ‘T’ (Test) button directly on its front face for manual functionality audits. As a result, property managers and wiremen can perform effortless monthly safety checks to keep the property fully protected against ongoing electrical system emergencies.
Clean Installation for Residential & Commercial Sub-Boards
Equipped with a standard snap-on DIN rail tracking frame, the compact EPS 4P 40A device mounts seamlessly inside most standard metal or PVC distribution boxes. Its comprehensive quad-pole configuration ensures all three phase lines and the neutral path are completely isolated at the moment a trip occurs, maximizing maintenance safety. Moreover, its rugged flame-retardant casing is structurally optimized to combat the high humidity levels characteristic of Selangor. Thus, it is highly favored by professional electrical contractors for new wiring projects, system refurbishments, and office renovations in USJ 14.
Professional Electrical Expertise at Sumon Electrical
At Sumon Electrical & Hardware Trading, we prioritize your safety above all else. Our team of certified electricians offers specialized services to keep your electrical systems running smoothly 24/7. Our core expertise includes:
Circuit Breaker Installation: Accurate setup of high-capacity 4-pole ELCBs for 3-phase systems.
Full DB Box Refurbishment: Comprehensive inspection and replacement of old or faulty safety switches.
Emergency Wiring Support: Fast and reliable assistance for power trips and electrical failures in Subang Jaya.
Trusted Home Solutions by Shabab Al Sharif
As part of the Shabab Al Sharif Technology and Services family, we provide a holistic approach to home maintenance. From Plumbing and Pipe Leak Repairs to Aircond Servicing, we handle everything to ensure your comfort. Therefore, when you choose us, you are choosing professionalism and peace of mind across Selangor.
Visit Us or Order Online
WhatsApp / Call: +601116109510
Official Website: www.shababalsharif.com
Store Address: Lot K10004, Ground Floor, Subang Perdana, Goodyear Court 7, USJ 14, 47630 Subang Jaya, Selangor.






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