Schneider Electric LV438279
MPNLV438279
Obsolete
LV438279 - CIRCUIT BREAKER by SQUARE D
$346.33Ref. price · indicative, final on quote
Source DocumentedChannel stated on listing & quote
Condition PhotosReal unit photos / video on request
WhatsApp AnswersFast human replies for machine-down parts
Worldwide DispatchDHL/FedEx — transit quoted per order
Independent China distributor & sourcing agent· Listing updated Sep 2026
Specifications
| Parameter | Value |
|---|---|
| Control type | Toggle |
| Network type | DC |
| Protection type | L : for overload protection (thermal) I : for short-circuit protection (magnetic) |
| Range of product | ComPact NSX400...630 DC |
| Product or component type | Circuit breaker |
| Long-time pick-up adjustment type ir (thermal protection) | Adjustable |
| Voltage | 750 V DC conforming to IEC 60947-2 |
| [Ue] rated operational voltage | 750 V DC |
| [Uimp] rated impulse withstand voltage | 8 kV conforming to IEC 60947-2 |
| Current | 600 A at 40 °C |
| [Ics] rated service short-circuit breaking capacity | 100 kA at 750 V DC conforming to IEC 60947-2 |
| [Icu] rated ultimate short-circuit breaking capacity | 100 kA Icu at 250 V DC 1P conforming to IEC 60947-2 100 kA Icu at 500 V DC 2P conforming to IEC 60947-2 100 kA Icu at 750 V DC 3P conforming to IEC 60947-2 |
All specifications
| Parameter | Value |
|---|---|
| Poles | 3P |
| Protected poles description | 3t |
| Utilisation category | Category A |
| IK degree of protection | IK07 conforming to IEC 62262 |
| IP degree of protection | IP40 conforming to IEC 60529 |
| Mounting support | Backplate |
| Circuit breaker mounting mode | Fixed |
| Connection pitch | 45 mm |
| Upside connection | Front |
| Downside connection | Front |
| Pollution degree | 3 conforming to IEC 60664-1 |
| Relative humidity | 0...95 % |
| Operating altitude | 0...2000 m without derating 2000 m...5000 m with derating |
| Electrical shock protection class | Class II |
| Depth | 110 mm |
| Width | 140 mm |
| Height | 255 mm |
| Electrical durability | 1000 cycles at 750 V In 2000 cycles at 750 V In/2 |
| Mechanical durability | 5000 cycles |
| Standards | EN/IEC 60947 |
| Range | ComPact |
| Trip unit name | TM-DC |
| Trip unit rating | 600 A at 40 °C |
| Device short name | NSX630S DC |
| Safety category | S 100 kA 500 V DC |
| Device application | Distribution |
| Overvoltage category | Class II |
| Trip unit technology | Thermal-magnetic |
| Earth-leakage protection | Without |
| Suitability for isolation | Yes conforming to EN/IEC 60947-2 |
| Ambient air temperature for storage | -50...85 °C |
| Ambient air temperature for operation | -25...70 °C |
| Number of slots for electrical auxiliaries | 6 slot(s) |
| [Ir] long-time protection pick-up adjustment range | 0.7...1 x In |
MPN
LV438279