circuit breaker Compact NS1250N - Micrologic 2.0 - 1250 A - 3 poles 3t

33478
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Description

This Compact NS1250N is a complete 3 poles fixed circuit breaker designed to optimize space and breaking capacity. It is an optimal choice for all standard and specific applications. The breaking capacity (Icu) is 50kA rms at 415VAC 50/60Hz. The operational voltage is 690VAC 50/60Hz. The circuit breaker can be manually operated with ON, OFF or "push to trip" buttons. This product embeds an electronic Micrologic 2.0 trip unit, with 1250A rating. Micrologic 2.0 trip unit provides adjustable long time and instantaneous protections. This 3 poles version (327mm x 210mm x 147mm) comes with a variety of optional functions and accessories. It is compliant with IEC 69947-1 and IEC60947-2 international standards and marine specifications. Compact NS1250N is part of Schneider Electric EcoStruxure Power architecture.

Product Details

Activity PPCCB
[ics] Rated Service Breaking Capacity 30 kA at 660/690 V AC 50/60 Hz conforming to IEC 60947-2
[ui] Rated Insulation Voltage 800 V AC 50/60 Hz conforming to IEC 60947-2
[uimp] Rated Impulse Withstand Voltage 8 kV conforming to IEC 60947-2
Ambient Air Temperature for Operation -25-70 °C
Ambient Air Temperature for Storage -50-85 °C
Breaking Capacity Code N 50 kA 415 V AC
Compatibility Code NS1250
Connection Pitch 70 mm
Control Type rotary handle
Depth 147 mm
Device Application distribution
Device Short Name Compact NS1250N
Electrical Durability 2000 cycles at 690 V In
Height 327 mm
Ik Degree of Protection IK07 conforming to EN 50102
Ip Degree of Protection IP40 conforming to IEC 60529
Long Time Delay Adjustment Type adjustable 9 settings
Mechanical Durability 10000 cycles
Mounting Mode fixed
Mounting Support backplate
Net Weight 14 kg
Network Frequency 50/60 Hz
Network Type AC
Product Certifications ASEFA
Product Name ComPact NS
Product or Component Type circuit breaker
Protection Type L : for overload protection (long time)
Range ComPact
Standards EN/IEC 60947-2
Width 210 mm
[icw] Rated Short-time Withstand Current 19.2 kA 1 s conforming to IEC 60947-2
[tr] Long-time Delay Adjustment Range 12.5-600 s at 1.5 x Ir
Instantaneous Pick-up Adjustment Range 1.5...10 x Ir
Instantaneous Pick-up Adjustment Type Ii adjustable
Long Time Pick-up Adjustment Range 0.4...1 x In
Long Time Pick-up Adjustment Type Ir adjustable 9 settings
Auxiliary Contact Composition 1 NO/NC
Downside Connection front
Earth-leakage Protection without
Local Signalling 4 LEDs (red) for fault indication
Operating Altitude 0...2000 m without derating
Power Losses 44 W
Upside Connection front
Poles Description 3P
[in] Rated Current 1250 A at 50 °C
[ue] Rated Operational Voltage 690 V AC 50/60 Hz
Breaking Capacity 30 kA Icu at 660/690 V AC 50/60 Hz conforming to IEC 60947-2
Pollution Degree 3 conforming to IEC 60947
Protected Poles Description 3D
Relative Humidity 0-95 %
Suitability For Isolation yes conforming to EN/IEC 60947-2
Thermal Memory 20 mn
Trip Unit Name Micrologic 2.0
Trip Unit Protection Functions LI
Trip Unit Rating 1250-1250 A at 50 °C
Trip Unit Technology electronic
Utilisation Category category B
Zone Selective Interlocking Zsi without

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