ASI SP275A-3P Surge Protection Device | 3-Phase, 415/240V AC | DIN Rail Mount | Type 1CA, UL 1449 4th Edition | 200kA SCCR | Replaceable Modules
The ASI SP275A-3P Surge Protection Device (SPD) is a high-performance, 3-pole, 4-wire modular SPD designed for 415/240V AC electrical systems. Utilizing MOV technology, this DIN rail-mounted SPD provides advanced surge protection, ensuring reliable performance in industrial, commercial, and residential applications.
Certified to UL 1449 4th Edition as a Type 1CA device, the SP275A-3P is suitable for Type 1, Type 2, and Type 3 applications, making it an ideal choice for comprehensive electrical protection. The unit features a Maximum Continuous Operating Voltage (MCOV) rating of 275V AC, providing superior surge suppression while ensuring safe and stable operation.
With a Short Circuit Current Rating (SCCR) of 200kA, this industrial-grade SPD ensures maximum durability and protection against high-energy transients and electrical disturbances. The optional remote contact feature allows for easy status monitoring, while the plug-in modules include clear visual indication for quick fault detection and replacement.
For added convenience, the replacement plug (ASIMSP275A) is sold separately and includes a patented thermal disconnection mechanism with an extinguishing device, ensuring a fast and safe cut-off response to thermal overloads. The voltage-specific keying mechanism prevents incorrect plug installation, enhancing safety and reliability.
Key Features & Benefits:
🔹 Advanced 3-Phase, 415/240V AC Surge Protection – Ideal for industrial, commercial, and residential power systems.
🔹 UL 1449 4th Edition Type 1CA Certified – Provides superior surge suppression for Type 1, 2, and 3 installations.
🔹 200kA SCCR Rating – Offers high short-circuit current protection, ensuring long-lasting durability.
🔹 DIN Rail Mounted for Easy Installation – Space-saving design allows for quick and secure panel integration.
🔹 Modular Plug-In Design – Features easy-to-replace modules with visual fault indication.
🔹 Remote Monitoring Option – Allows for efficient system status tracking and maintenance.
🔹 275V AC MCOV Rating – Ensures consistent performance and reliable surge suppression.
🔹 Replaceable Plug (ASIMSP275A) with Thermal Disconnector – Provides quick response to overheating and electrical faults.
🔹 Voltage-Specific Keying – Prevents incorrect plug assembly, enhancing safety and system integrity.
Applications:
🔹 Industrial Power Distribution Systems – Protects sensitive electrical equipment from voltage spikes and surges.
🔹 Automation & Control Panels – Ensures consistent power supply for PLCs, sensors, and motor drives.
🔹 Data Centers & IT Infrastructure – Shields servers and networking equipment from power disturbances.
🔹 Renewable Energy Systems – Enhances solar and wind power systems with surge protection.
🔹 Commercial & Residential Electrical Panels – Prevents damage to HVAC, security systems, and home electronics.
Why Choose ASI?
🔹 Reliable & High-Performance Surge Protection – Built to UL 1449 4th Edition standards for maximum safety.
🔹 Modular & Replaceable Design – Ensures easy maintenance and cost-effective upgrades.
🔹 Easy-to-Install DIN Rail Mount – Saves panel space and simplifies system integration.
🔹 Industrial-Grade Durability – Offers long-lasting performance in demanding applications.
🔹 Trusted by Engineers & OEMs Worldwide – Used in power distribution, automation, and facility protection systems.
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