LV434565 Circuit Breaker, ComPact NSX400F, 36kA/415VAC, MicroLogic 2.3

Air Circuit Breaker

Circuit breaker, ComPact NSX400F, 36kA/415VAC, MicroLogic 2.3AB trip unit 400A, 4 poles 4d

Specifications

Main
Range : ComPact
Product name : ComPact NSX
Range of product : ComPact NSX400...630
Device short name : NSX400F
Product or component type : Circuit breaker
Device application : Special application
Number of poles : 4P
Protected poles description :
- 3t + N/2
- 3t
- 4t
Neutral position : Left
[In] rated current : 400 A at 40 °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 A
[Icu] rated ultimate short-circuit breaking capacity :
- 40 kA Icu at 220/240 V AC 50/60 Hz conforming to IEC 60947-2
- 85 kA at 240 V AC 50/60 Hz conforming to UL 508
- 25 kA Icu at 500 V AC 50/60 Hz conforming to IEC 60947-2
- 36 kA Icu at 380/415 V AC 50/60 Hz conforming to IEC 60947-2
- 10 kA Icu at 660/690 V AC 50/60 Hz conforming to IEC 60947-2
- 35 kA at 480 V AC 50/60 Hz conforming to UL 508
- 20 kA at 600 V AC 50/60 Hz conforming to UL 508
- 20 kA Icu at 525 V AC 50/60 Hz conforming to IEC 60947-2
- 30 kA Icu at 440 V AC 50/60 Hz conforming to IEC 60947-2
Performance level : F 36 kA 415 V AC
Trip unit name : MicroLogic 2.3 AB
Trip unit technology : Electronic
Trip unit protection functions : LSoI
Control type : Toggle
Circuit breaker mounting mode : Fixed

Complementary
[Ui] rated insulation voltage : 800 V AC 50/60 Hz
[Uimp] rated impulse withstand voltage : 8 kV
[Ics] rated service short-circuit breaking capacity :
- 40 kA at 220/240 V AC 50/60 Hz conforming to IEC 60947-2
- 36 kA at 380/415 V AC 50/60 Hz conforming to IEC 60947-2
- 10 kA at 660/690 V AC 50/60 Hz conforming to IEC 60947-2
- 10 kA at 525 V AC 50/60 Hz conforming to IEC 60947-2
- 25 kA at 500 V AC 50/60 Hz conforming to IEC 60947-2
- 30 kA at 440 V AC 50/60 Hz conforming to IEC 60947-2
Mechanical durability : 15000 cycles
Electrical durability :
- 3000 cycles at 690 V In
- 6000 cycles at 690 V In/2
- 6000 cycles at 440 V In
- 12000 cycles at 440 V In/2
Mounting support : Backplate
upside connection : Front
Downside connection : Front
Connection pitch : 45 mm
Protection type :
- L : for overload protection (long time)
- So : for short time short-circuit protection with fixed delay
- I : for instantaneous short-circuit protection
Trip unit rating : 400 A at 40 °C
Long-time pick-up adjustment type Ir (thermal protection) : Adjustable
[Ir] long-time protection pick-up adjustment range : 260...400 A
Long-time protection delay adjustment type tr : Fixed
[tr] long-time protection delay adjustment range :
- 15 s at 1.5 x Ir
- 0.35 s at 7.2 x Ir
- 0.5 s at 6 x Ir
Thermal memory : 20 minutes before and after tripping
Short-time protection pick-up adjustment type Isd : Adjustable
[Isd] Short-time protection pick-up adjustment range : 1.5...10 x Ir
Short-time protection delay adjustment type tsd : Fixed
[tsd] Short-time protection delay adjustment range : 0.02 s
Instantaneous protection pick-up adjustment type Ii : Fixed
[Ii] instantaneous protection pick-up adjustment range : 4800 A
Earth-leakage protection : Without
Neutral protection settings :
- 0.5 x Ir (3t + N/2)
- 1 x Ir (4t)
- No protection (3t)
Zone selective interlocking ZSI : Without
Number of slots for electrical auxiliaries : 6 slot(s)
Local signalling :
- Flashing LED (green) for ready to operate
- LED 105 % Ir (red) for overload
- LED 90 % Ir (orange) for overload
Width (W) : 185 mm
Height (H) : 255 mm
Depth (D) : 110 mm
Net weight : 7.9 kg

Environment
Standards : EN/IEC 60947
Product certifications :
- CCC
- EAC
- Marine
Overvoltage category : Class II
Electrical shock protection class : Class II
Pollution degree : 3 conforming to IEC 60664-1
IP degree of protection : IP40 conforming to IEC 60529
IK degree of protection : IK07 conforming to IEC 62262
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 : 15.5 cm
Package 1 Width : 20.5 cm
Package 1 Length : 29.0 cm
Package 1 Weight : 7.4 kg

Contractual warranty
Warranty : 18 months