Schneider NS08N20F3PEFF | circuit breaker Compact NS800N – Micrologic 2.0 – 800 A – 3 poles 3t
Description
The Schneider Electric NS08N20F3PEFF is a powerful molded-case circuit breaker from the renowned Compact NS series, specifically the NS800N model. It is equipped with the Micrologic 2.0 electronic trip unit, offering accurate and reliable protection for high-capacity electrical distribution systems. With a rated current of 800 A and a 3-pole (3t) configuration, this breaker is ideal for industrial and commercial installations requiring strong, dependable, and adjustable protection.
Designed for fixed mounting, the NS800N provides advanced overload and short-circuit protection, making it a trusted choice for heavy-duty applications. Its compact form ensures easy integration into new or existing switchboards while maintaining excellent performance and safety.
Specifications
Rated current: 800 A
Number of poles: 3 poles (3P / 3t)
Trip unit type: Micrologic 2.0 (electronic)
Protection functions: Long-time overload protection and Instantaneous short-circuit protection
Rated operational voltage: Up to 690 VAC, 50/60 Hz
Rated insulation voltage: 800 V
Impulse withstand voltage: 8 kV
Breaking capacity (Icu): Up to 50 kA at 415 VAC
Service breaking capacity (Ics): High capability depending on voltage range
Short-time withstand current: approx. 19 kA for 1 second
Long-time pickup (Ir): Adjustable from roughly 0.4 to 1 × In
Long-time delay: Adjustable with multiple time settings
Instantaneous pickup (Ii): Adjustable from approx. 1.5 to 10 × Ir
Thermal memory: Built-in (around 20 minutes retention)
Auxiliary contacts: Provided (NO/NC depending on configuration)
Signaling: LED indicators for overload and fault conditions
Mounting type: Fixed (back-plate installation)
Connection: Front connection top and bottom
Mechanical endurance: Up to 10,000 operations
Electrical endurance: Varies with voltage; high durability for industrial use
Degree of protection: IP40
Impact resistance: IK07
Operating temperature range: –25°C to +70°C
Compliance: Fully compliant with IEC 60947-2
Applications
The Compact NS800N is designed for:
Main distribution boards in industrial facilities
Power systems in factories, plants, and manufacturing centers
Large commercial buildings and infrastructure projects
High-power motor installations and industrial machinery
Critical systems where precise and dependable protection is required
Upgrades or expansions of existing electrical distribution networks
Key Features and Advantages
Advanced protection: Electronic Micrologic 2.0 unit ensures precise overload and short-circuit protection.
High breaking capacity: Ability to safely interrupt high fault currents for enhanced system safety.
Flexible settings: Adjustable long-time and instantaneous trip functions allow custom coordination with other protection devices.
Durable construction: Engineered for long mechanical and electrical life, suitable for demanding industrial environments.
Diagnostic LEDs: Provide quick visual indication of overload or fault, improving maintenance efficiency.
Compact design: Saves panel space while delivering powerful performance.
Reliable Schneider quality: Trusted brand with globally recognized safety and durability standards.
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