Schneider Electric LV426711
MPNLV426711
Obsolete
LV426711 - CIRCUIT BREAKER by SQUARE D
$800.10Ref. price · indicative, final on quote
StockContact for availability
MOQ1 pcs
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Jul 2026
How we verify every order →Specifications
| Parameter | Value |
|---|---|
| Control type | Toggle |
| Network type | AC |
| Protection type | L : for overload protection (thermal) So : for short time short-circuit protection with fixed delay I : for instantaneous short-circuit protection R : for earth-leakage protection |
| Range of product | ComPact NSXm |
| Product or component type | Earth leakage circuit breaker |
| Long-time protection delay adjustment type tr | Fixed |
| Short-time protection delay adjustment type tsd | Fixed |
| Short-time protection pick-up adjustment type isd | Adjustable 9 settings |
| Instantaneous protection pick-up adjustment type ii | Fixed |
| Earth-leakage protection sensitity adjustment type iδn | Adjustable |
| Earth-leakage protection time delay adjustement type δt | Adjustable |
| Long-time pick-up adjustment type ir (thermal protection) | Adjustable 9 settings |
All specifications
| Parameter | Value |
|---|---|
| Voltage | 500 V AC 50/60 Hz |
| [Ue] rated operational voltage | 440 V AC 50/60 Hz |
| [Uimp] rated impulse withstand voltage | 8 kV |
| Current | 50 A at 40 °C |
| [Ics] rated service short-circuit breaking capacity | 50 kA at 220...240 V AC 50/60 Hz conforming to IEC 60947-2 25 kA at 380...415 V AC 50/60 Hz conforming to IEC 60947-2 20 kA at 440 V AC 50/60 Hz conforming to IEC 60947-2 |
| [Icu] rated ultimate short-circuit breaking capacity | 50 kA Icu at 220...240 V AC 50/60 Hz conforming to IEC 60947-2 25 kA Icu at 380...415 V AC 50/60 Hz conforming to IEC 60947-2 20 kA Icu at 440 V AC 50/60 Hz conforming to IEC 60947-2 |
| Network frequency | 50/60 Hz |
| Poles | 3P |
| Protected poles description | 3D |
| Utilisation category | Category A |
| IK degree of protection | IK07 conforming to IEC 62262 |
| IP degree of protection | IP40 conforming to IEC 60529 |
| Mounting support | Plate DIN rail |
| Circuit breaker mounting mode | By screws Clip-on |
| Connection pitch | 35 mm with spreaders 27 mm without spreaders |
| Connection terminals | 1 Everlink lug wire size 2.5...70 mm², fine stranded copper 1 Everlink lug wire size 2.5...95 mm², rigid or stranded aluminium/copper |
| Pollution degree | 3 conforming to IEC 60664-1 |
| Relative humidity | 0...95 % |
| Operating altitude | 0...2000 m without derating 2000...5000 m with derating |
| Color | Grey (RAL 7016) |
| Depth | 80 mm |
| Width | 108 mm |
| Height | 144 mm |
| Electrical durability | 10000 cycles at 440 V In 20000 cycles at 440 V In/2 |
| Mechanical durability | 20000 cycles |
| Standards | EN/IEC 60947 |
| Range | ComPact |
| 9 mm pitches | 9 module |
| Thermal memory | 20 minutes before and after tripping |
| Trip unit name | MicroLogic 4.1 |
| Local signalling | Flashing LED (green) for ready to operate LED 105 % Ir (red) for overload LED 90 % Ir (orange) for overload |
| Trip unit rating | 50 A at 40 °C |
| Device short name | NSXm 50B |
| Safety category | B 25 kA 415 V AC |
| Device application | Protection Distribution |
| Trip unit technology | Electronic |
| Earth-leakage protection | Integrated |
| Earth-leakage sensitivity | 30 mA for class A 100 mA for class A 300 mA for class A 500 mA for class A 1000 mA for class A 30 mA for class AC 100 mA for class AC 300 mA for class AC 500 mA for class AC 1000 mA for class AC 3000 mA for class AC 5000 mA for class AC |
| Suitability for isolation | Yes conforming to EN/IEC 60947-2 |
| Neutral protection settings | No protection 1 x Ir |
| Trip unit protection functions | LSoIR |
| Ambient air temperature for storage | -40...85 °C |
| Ambient air temperature for operation | -25...70 °C |
| Number of slots for electrical auxiliaries | 1 slot(s) for auxiliary switch OF 1 slot(s) for alarm switch SD 1 slot(s) for voltage release MN or MX |
| [Tr] Long-Time protection delay adjustment range | 5 s at 7.2 x Ir 8 s at 6 x Ir 200 s at 1.5 x Ir |
| [Ir] long-time protection pick-up adjustment range | 20...50 A |
| [tsd] short-time protection delay adjustment range | 0.02 s |
| [Isd] short-time protection pick-up adjustment range | 1.5...10 x Ir |
| [Ii] instantaneous protection pick-up adjustment range | 750 A |
| [δt] earth-leakage protection time delay adjustment range | 0 ms 60 ms 150 ms 500 ms 1000 ms |
| [IΔn] earth-leakage protection sensitivity adjustment range | 0.03...5 A |
MPN
LV426711