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Picture of Trip unit TM250G, ComPacT NSX250, 4 poles 4D (neutral fully protected), thermal magnetic protections, generator, 250A
SKU:

C254MG250

Trip unit TM250G, ComPacT NSX250, 4 poles 4D (neutral fully protected), thermal magnetic protections, generator, 250A

Old price: $1,654.40 INC GST
$1,353.30 INC GST
Available for Shipping : 16-Dec-2025
Trip unit TM250G, ComPacT NSX250, 4 poles 4D (neutral fully protected), thermal magnetic protections, generator, 250A
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Manufacturer: Schneider Electric
Delivery date: 16-Dec-2025
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Circularity Profile
Instruction sheet
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Product Data Sheet
This TM250G is a 4 poles 4d thermal-magnetic trip unit used on ComPacT NSX 250 circuit breakers. This 250A rating thermal-magnetic trip unit is an optimum choice for generator protection applications. It embeds an adjustable thermal overload protection and a fixed magnetic protection against short-circuits. This product is part of our EcoStruxure Power architecture if associated with PowerTag NSX and ComPacT NSX basic frame.

Products specifications

Attribute name Attribute value
Main
Device application generator
Range compatibility ComPacT new generation NSX250 DC, ComPacT new generation NSX250
Mounting mode fixed
Range ComPacT new generation
Protection type I : for short-circuit protection (magnetic), L : for overload protection (thermal)
Protected poles description 4D
Range of product ComPacT NSX100...250 new generation
Trip unit name TM-G
Trip unit technology thermal-magnetic
Neutral position left
Poles description 4P
Product or component type trip unit
Network type DC, AC
Trip unit protection functions LI
[Ue] rated operational voltage 750 V DC, 690 V AC 50/60 Hz
[In] rated current 250 A at 40 °C
Network frequency 50/60 Hz
Complementary
Long time pick-up adjustment type Ir adjustable
Long time pick-up adjustment range 0.7...1 x In
Neutral protection setting 1 x Ir (4D)
Instantaneous pick-up adjustment range 520 A
Earth-leakage protection without
[tr] long-time delay adjustment range 120-400 s at 1.5 x In
Instantaneous pick-up adjustment type Ii fixed
Long time delay adjustment type fixed
Environment
Ambient air temperature for storage -50-85 °C
Pollution degree 3 conforming to IEC 60947-1
IP degree of protection IP40 conforming to IEC 60529
Ambient air temperature for operation -25-70 °C
Electrical shock protection class class II
Standards EN/IEC 60947-2
Packing Units
Unit Type of Package 1 1
Number of Units in Package 1 1
Package 1 Height 16 cm
Package 1 Width 10 cm
Package 1 Length 16 cm
Package 1 Weight 794 g
Unit Type of Package 2 2
Number of Units in Package 2 32
Package 2 Height 32 cm
Package 2 Width 30 cm
Package 2 Length 41 cm
Package 2 Weight 25408 g
Unit Type of Package 3 3
Number of Units in Package 3 384
Package 3 Height 150 cm
Package 3 Width 80 cm
Package 3 Length 120 cm
Package 3 Weight 307200 g

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