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Picture of Trip unit TM250DC, ComPacT NSX250 DC, 3 poles, thermal magnetic protections, 250A rating
SKU:

C253TM250D

Trip unit TM250DC, ComPacT NSX250 DC, 3 poles, thermal magnetic protections, 250A rating

Old price: $776.60 INC GST
$635.26 INC GST
Available for Shipping : 15-Dec-2025
Trip unit TM250DC, ComPacT NSX250 DC, 3 poles, thermal magnetic protections, 250A rating
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Manufacturer: Schneider Electric
Delivery date: 15-Dec-2025
Catalog
Environmental Disclosure
User guide
Instruction sheet
Declaration of conformity
Product Page Link
Product Data Sheet
TM250D/DC is a 3 poles thermal-magnetic trip unit used on ComPacT NSX 250DC circuit breakers. This 250A rating thermal-magnetic trip unit is an optimal choice for DC distribution systems. It embeds an adjustable thermal overload protection and an adjustable magnetic protection against short-circuits.

Products specifications

Attribute name Attribute value
Main
Trip unit technology thermal-magnetic
Device application distribution
Range compatibility ComPacT new generation NSX250 DC
Poles description 3P
Mounting mode fixed
Range ComPacT new generation
Protection type I : for short-circuit protection (magnetic), L : for overload protection (thermal)
Product or component type trip unit
Protected poles description 3D
Network type DC
Trip unit protection functions LI
[Ue] rated operational voltage 750 V DC
Range of product ComPacT NSX100...250 DC new generation
Trip unit name TM-D
[In] rated current 250 A at 40 °C
Complementary
Long time pick-up adjustment type Ir adjustable
Long time pick-up adjustment range 0.7...1 x In
Instantaneous pick-up adjustment range 5...10 x In
Instantaneous pick-up adjustment type Ii adjustable
Long time delay adjustment type fixed
Earth-leakage protection without
Environment
Ambient air temperature for storage -50-85 °C
Pollution degree 3 conforming to IEC 60947-1
Electrical shock protection class class II
IP degree of protection IP40 conforming to IEC 60529
Standards EN/IEC 60947-2
Ambient air temperature for operation -25-70 °C
Packing Units
Unit Type of Package 1 1
Number of Units in Package 1 1
Package 1 Height 6.6 cm
Package 1 Width 10.0 cm
Package 1 Length 11.5 cm
Package 1 Weight 420.0 g
Unit Type of Package 2 2
Number of Units in Package 2 28
Package 2 Height 30.0 cm
Package 2 Width 30.0 cm
Package 2 Length 40.0 cm
Package 2 Weight 12.16 kg

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