33565 Circuit Breaker Compact NS1250H - Micrologic 5.0 - 1250 A - 3

Air Circuit Breaker

circuit breaker Compact NS1250H - Micrologic 5.0 - 1250 A - 3 poles 3t

Specifications

Main
Range : ComPact
Product name : ComPact NS
Range of product : ComPact NS630b...1600
Device short name : Compact NS1250H
Product or component type : Circuit breaker
Device application : Distribution
Number of poles : 3P
Protected poles description : 3D
(In) rated current up to 65 °C : 1250 A at 50 °C
[Ue] rated operational voltage : 690 V AC 50/60 Hz
Network type : AC
Network frequency : 50/60 Hz
Suitability for isolation : Yes conforming to EN/IEC 60947-2
Utilisation category : Category B
[Icu] rated ultimate short-circuit 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
Performance level : H 70 kA 415 V AC
Trip unit name : MicroLogic 5.0
Trip unit technology : Electronic
Trip unit protection functions : LSI
Control type :
- Toggle
- Rotary handle
Circuit breaker mounting mode : Fixed

Complementary
[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
[Ics] rated service short-circuit 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
Mechanical durability : 10000 cycles
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
Power losses : 44 W
Mounting support : Backplate
upside connection : Front
Downside connection : Front
Connection pitch : 70 mm
Protection type :
- L : for overload protection (long time)
- S : for short time short-circuit protection
- I : for instantaneous short-circuit protection
Trip unit rating : 1250 A at 50 °C
Long-time pick-up adjustment type Ir (thermal protection) : Adjustable 9 settings
[Ir] long-time protection pick-up adjustment range : 0.4...1 x In
Long-time protection delay adjustment type tr : Adjustable 9 settings
[tr] long-time protection 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
Thermal memory : 20 mn
Short-time protection pick-up adjustment type Isd : Adjustable 9 settings
[Isd] Short-time protection pick-up adjustment range : 1.5...10 x Ir
Short-time protection delay adjustment type tsd : Adjustable
[tsd] Short-time protection delay adjustment range :
- 0.1…0.4 s I²t=on
- 0…0.4 s I²t=off
Instantaneous protection pick-up adjustment type Ii : Adjustable
[Ii] instantaneous protection pick-up adjustment range :
- Off
- 2...15 x In
Earth-leakage protection : Without
Zone selective interlocking ZSI : Without
Auxiliary contact composition : 1 NO/NC
Local signalling :
- 4 LEDs (red) for fault indication
- 1 LED (yellow) for overload
Width (W) : 210 mm
Height (H) : 327 mm
Depth (D) : 147 mm
Net weight : 14 kg

Environment
Standards : EN/IEC 60947-2
Product certifications :
- ASEFA
- ASTA
Pollution degree : 3 conforming to IEC 60947
IP degree of protection : IP40 conforming to IEC 60529
IK degree of protection : IK07 conforming to EN 50102
Ambient air temperature for operation : -25…70 °C
Ambient air temperature for storage : -50…85 °C
Relative humidity : 0…95 %
Operating altitude :
- 0...2000 m without derating
- 2000 m...5000 m with derating

Packing Units
Unit Type of Package 1 : PCE
Number of Units in Package 1 : 1
Package 1 Height : 37.0 cm
Package 1 Width : 39.5 cm
Package 1 Length : 23.0 cm
Package 1 Weight : 12.061 kg

Contractual warranty
Warranty : 12 months