Schneider Electric C25B3TM250
MPNC25B3TM250
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C25B3TM250 - NSX250B 25KA AC 3P3D 250A TMD by SCHNEIDER ELECTRIC
$581.66Ref. price · indicative, final on quote
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Jul 2026
Specifications
| Parameter | Value |
|---|---|
| Control type | Toggle |
| Network type | AC |
| Protection type | L : for overload protection (thermal) I : for short-circuit protection (magnetic) |
| Product or component type | Circuit breaker |
| Long-time protection delay adjustment type tr | Fixed |
| Instantaneous protection pick-up adjustment type ii | Adjustable |
| Long-time pick-up adjustment type ir (thermal protection) | Adjustable |
| Voltage | 800 V AC 50/60 Hz |
| [Ue] rated operational voltage | 690 V AC 50/60 Hz |
| [Uimp] rated impulse withstand voltage | 8 kV |
| Breaking capacity | 40 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 15 kA Icu at 500 V AC 50/60 Hz conforming to IEC 60947-2 |
| Current | 250 A at 40 °C |
All specifications
| Parameter | Value |
|---|---|
| Breaking capacity code | B 25 kA 415 V AC |
| [Ics] rated service breaking capacity | 40 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 15 kA at 500 V AC 50/60 Hz conforming to IEC 60947-2 |
| Power dissipation per pole | 18.75 W |
| Network frequency | 50/60 Hz |
| Poles description | 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 | Backplate |
| Mounting position | Horizontal and vertical Flat on the back |
| Circuit breaker mounting mode | Fixed |
| Connection pitch | 35 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 on front face |
| Depth | 86 mm |
| Width | 105 mm |
| Height | 161 mm |
| Electrical durability | 20000 cycles at 440 V In/2 10000 cycles at 440 V In 10000 cycles at 690 V In/2 5000 cycles at 690 V In |
| Mechanical durability | 20000 cycles |
| Standards | EN/IEC 60947-2 |
| Range | ComPacT |
| Trip unit name | TM-D |
| Number of slots | 5 slot(s) |
| Trip unit rating | 250 A at 40 °C |
| Device short name | NSX250B |
| Device application | Distribution |
| Overvoltage category | III |
| Trip unit technology | Thermal-magnetic |
| Earth-leakage protection | Without |
| Suitability for isolation | Yes conforming to EN/IEC 60947-2 |
| Trip unit protection functions | LI |
| Ambient air temperature for storage | -50...85 °C |
| Ambient air temperature for operation | -25...70 °C |
| [Tr] Long-Time delay adjustment range | 120...400 s at 1.5 x In 15 s at 6 x Ir |
| [Ir] long-time protection pick-up adjustment range | 0.7...1 x In |
| [Ii] instantaneous protection pick-up adjustment range | 5...10 x In |
MPN
C25B3TM250