Complete Power Protection with Neutral Safety
The Terasaki MCCB 4 Pole breaker is engineered to protect three-phase electrical systems with full neutral protection. Manufactured in Japan, Terasaki breakers are trusted worldwide for high reliability, precise tripping accuracy, and long operational life.
This breaker ensures safe disconnection of all live conductors including neutral, making it ideal for sensitive loads, generator synchronization panels, solar hybrid systems, and commercial installations where complete isolation is critical.
🔐 Key Features & Benefits
✅ Four-pole protection (3 Phase + Neutral)
✅ High short-circuit breaking capacity
✅ Thermal & magnetic overload protection
✅ Heavy-duty molded case construction
✅ Accurate and fast fault response
✅ Compact design for easy panel integration
✅ Long mechanical endurance
✅ International IEC safety compliance
✅ Low maintenance and high reliability
🏗️ Applications
Ideal for:
🏭 Low tension (LT) electrical panels
⚡ Generator and ATS panels
☀️ Hybrid and grid-tied solar systems
🏢 Commercial buildings and hospitals
🏗️ Industrial power distribution
⚙️ Motor control centers
🏬 Data centers and sensitive equipment
📊 Technical Specifications (Typical)
-
Brand: Terasaki Electric
-
Product Type: Molded Case Circuit Breaker (MCCB)
-
Poles: 4P (Three Phase + Neutral)
-
Rated Voltage: Up to 690V AC
-
Rated Current: 63A – 1000A
-
Breaking Capacity: 36kA – 65kA
-
Trip Unit: Thermal-Magnetic / Electronic
-
Frequency: 50/60Hz
-
Mounting Type: Fixed / Panel Mount
-
Operating Temperature: -20°C to +60°C
-
Compliance: IEC 60947-2
🛠️ Why Buy from SMS Engineering?
At SMS Engineering, we supply genuine Terasaki MCCB breakers with technical guidance, fast delivery, and competitive market pricing across Pakistan 🇵🇰. Our experts help you select correct ratings for safe operation and long-term performance.
Related internal links:
🔗 https://www.smsengs.com/product/lt-panel-low-tension-panel/
🔗 https://www.smsengs.com/product/ats-panel/
🔗 https://www.smsengs.com/product/solarmax-onyx-8kw-hybrid-solar-inverter/
External references:
🌐 https://en.wikipedia.org/wiki/Circuit_breaker
🌐 https://www.terasaki.co.jp/en/products/circuit-breakers
