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Schneider Electric C40F4TM250D ComPacT NSX250F DC 4P 250 A 36 kA TM-DC Fixed Moulded Case Circuit Breaker

% $-1,295.36
Schneider Electric C40F4TM250D ComPacT NSX250F DC 4P 250 A 36 kA TM-DC Fixed Moulded Case Circuit Breaker
Schneider Electric C40F4TM250D ComPacT NSX250F DC 4P 250 A 36 kA TM-DC Fixed Moulded Case Circuit Breaker

Schneider Electric C40F4TM250D ComPacT NSX250F DC 4P 250 A 36 kA TM-DC Fixed Moulded Case Circuit Breaker

Brand: Schneider Electric
Reference No: C40F4TM250D
Catalog No: C40F4TM250D
Tariff Code (HS): 85362090
Rated Current: 250
Breaking Type: TM-DC
Poles: 4P
Stock: 0
Delivery time: 30 business day(s)
Shipping Origin: Türkiye EXW
$1,295.36

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  • Description

The Schneider Electric C40F4TM250D is a 4-pole ComPacT NSX250F DC moulded case circuit breaker rated 250 A on a TM-DC thermal-magnetic trip unit for DC distribution. Breaking capacity (Icu) is 36 kA DC at 750 V DC across 3 poles in series, with both thermal overload and magnetic short-circuit pick-up adjustable on the trip unit.

Technical Specifications

Reference C40F4TM250D
Brand Schneider Electric
Range ComPacT NSX DC
Device Short Name NSX250F DC
Product Type Circuit breaker
Device Application Distribution
Poles 4P
Protected Poles 4D
[In] Rated Current 250 A at 40 °C
[Ue] Rated Operational Voltage 750 V DC
Network Type DC
[Ui] Rated Insulation Voltage 750 V DC
[Uimp] Rated Impulse Withstand Voltage 8 kV
Breaking Capacity [Icu] 36 kA at 24...125 V DC (1 pole), 36 kA at 250 V DC (1 pole), 36 kA at 500 V DC (2 poles in series), 36 kA at 750 V DC (3 poles in series) (IEC 60947-2)
Service Breaking Capacity [Ics] 36 kA at 24...125 V DC, 36 kA at 250 V DC, 36 kA at 500 V DC, 36 kA at 750 V DC
Trip Unit TM-DC, thermal-magnetic, LI
[Ir] Long-Time Pick-up Range 0.7...1 x In (adjustable)
[Ii] Instantaneous Pick-up Range 2.5...5 x In (adjustable)
Suitability For Isolation Yes (EN/IEC 60947-2)
Mounting Mode Fixed
Connection Front (upside and downside)
Dimensions (W x H x D) 185 x 255 x 110 mm
Net Weight 8.4 kg
IP Degree Of Protection IP40 (IEC 60529)
Ambient Air Temperature For Operation -25...70 °C

Certifications & Standards

  • EN/IEC 60947-2

Selection Notes

Unlike the AC TM-D trip unit, the TM-DC fits both the thermal overload (Ir, 0.7-1 x In) and the magnetic instantaneous pick-up (2.5-5 x In) with field adjustment, which matters on DC circuits where fault current does not fall to zero each half-cycle and the magnetic trip threshold needs tuning to the installation. The 750 V DC rating is reached with all 3 poles wired in series; pick the 250 A rating to match the DC bus or PV array current, and choose a different sibling in the same TM-DC series for a higher or lower current without changing the 36 kA breaking capacity.

Technical Details

Short Description
ComPacT NSX250F DC MCCB, 4P 250 A, 36 kA at 750 V DC, TM-DC trip unit.
Rated Current (Ampere)
250
Mounting Type
Fixed
Protection Type
IP40
Catalog No
C40F4TM250D
Number of Poles
4P
Delivery Date (Days)
30 days
Model Number
NSX250F DC
Tariff Code
85362090

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