circuit breaker Compact NS1250H - Micrologic 2.0 - 1250 A - 4 poles 4t

33481
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Product Details

Activity PPCCB
Pincode Group default
Part Number 33481
[ics] Rated Service Breaking Capacity 50 kA at 380/415 V AC 50/60 Hz conforming to IEC 60947-2, 30 kA at 660/690 V AC 50/60 Hz conforming to IEC 60947-2, 40 kA at 500/525 V AC 50/60 Hz conforming to IEC 60947-2, 50 kA at 440 V AC 50/60 Hz conforming to IEC 60947-2, 50 kA at 220/240 V AC 50/60 Hz conforming to IEC 60947-2
[Icw] rated short-time withstand current 19.2 kA 1 s conforming to IEC 60947-2
[Uimp] rated impulse withstand voltage 8 kV conforming to IEC 60947-2
breaking capacity 42 kA Icu at 660/690 V AC 50/60 Hz conforming to IEC 60947-2, 65 kA Icu at 440 V AC 50/60 Hz conforming to IEC 60947-2, 70 kA Icu at 380/415 V AC 50/60 Hz conforming to IEC 60947-2, 85 kA Icu at 220/240 V AC 50/60 Hz conforming to IEC 60947-2, 50 kA Icu at 500/525 V AC 50/60 Hz conforming to IEC 60947-2
Breaking Capacity Code H 70 kA 415 V AC
Connection Pitch 70 mm
Downside Connection front
Earth-leakage Protection without
[tr] long-time delay adjustment range 12.5-600 s at 1.5 x Ir, 0.5-24 s at 6 x Ir, 0.7-16.6 s at 7.2 x Ir
Neutral Position left
Neutral Protection Setting no protection (3D), 0.5 x Ir (3D + N/2), 1 x Ir (4D)
Protected Poles Description 4D
suitability for isolation yes conforming to EN/IEC 60947-2
Trip Unit Name MicroLogic 2.0
trip unit rating 1250-1250 A at 50 °C
trip unit technology electronic
Upside Connection front
utilisation category category B
ambient air temperature for storage -50-85 °C
compatibility code NS1250
control type toggle, rotary handle
depth 147 mm
device application distribution
device short name Compact NS1250H
Electrical Durability 2000 cycles at 690 V In, 3000 cycles at 690 V In/2, 4000 cycles at 440 V In, 5000 cycles at 440 V In/2
height 327 mm
IK degree of protection IK07 conforming to EN 50102
IP degree of protection IP40 conforming to IEC 60529
mechanical durability 10000 cycles
mounting mode fixed
mounting support backplate
net weight 18 kg
network frequency 50/60 Hz
network type AC
operating altitude 0...2000 m without derating, 2000 m...5000 m with derating
Poles Description 4P
pollution degree 3 conforming to IEC 60947
product certifications ASTA, ASEFA
product or component type circuit breaker
Protection Type L : for overload protection (long time), I : for instantaneous short-circuit protection
range ComPact
range of product ComPact NS630b...1600
relative humidity 0-95 %
width 280 mm
Thermal memory 20 mn
Trip unit protection functions LI
Long time delay adjustment type adjustable 9 settings
Instantaneous pick-up adjustment type Ii adjustable
Zone selective interlocking ZSI without
Instantaneous pick-up adjustment range 1.5...10 x Ir
Long time pick-up adjustment range 0.4...1 x In
Long time pick-up adjustment type Ir adjustable 9 settings
Power losses 44 W
ambient air temperature for operation -25-70 °C
standards EN/IEC 60947-2
local signalling 4 LEDs (red) for fault indication, 1 LED (yellow) for overload
auxiliary contact composition 1 NO/NC
[Ui] rated insulation voltage 800 V AC 50/60 Hz conforming to IEC 60947-2

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