trip unit TM250D for ComPacT NSX 250 circuit breakers, thermal magnetic, rating 250 A, 3 poles 3d - Image 1

trip unit TM250D for ComPacT NSX 250 circuit breakers, thermal magnetic, rating 250 A, 3 poles 3d

trip unit MicroLogic 2.2 for ComPacT NSX 160/250 circuit breakers, electronic, rating 160A, 4 poles 4d
trip unit TM160D for ComPacT NSX 160/250 circuit breakers, thermal magnetic, rating 160 A, 3 poles 3d

The TM250D is a 3-pole, 3D thermal-magnetic trip unit designed for use with Schneider Electric ComPact NSX250 circuit breakers. With a 250 A current rating, it offers dependable and efficient protection for a wide range of low-voltage distribution applications.

Key Features:

  • Current Rating: 250 A

  • Protection Functions:

    • Thermal (Overload): Adjustable

    • Magnetic (Short-Circuit): Fixed

  • Poles: 3

  • Application: Suitable for general distribution systems

  • Compatibility: Designed for ComPact NSX250 circuit breakers

  • EcoStruxure Ready: Fully compatible with Schneider Electric’s EcoStruxure™ Power architecture when used with PowerTag NSX and the ComPact NSX basic frame

This trip unit combines robust mechanical protection with ease of integration into connected energy management systems, making it an ideal solution for modern power distribution networks.

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Description

Main
Range ComPacT
Range of product ComPacT NSX100…250
Product or component type Trip unit
Trip unit name TM-D
Trip unit technology Thermal-magnetic
Range compatibility ComPacT NSX250
Device application Distribution
Poles description 3P
Protected poles description 3D
Trip unit protection functions LI
Protection type L : for overload protection (thermal)
I : for short-circuit protection (magnetic)
Trip unit rating 250 A at 40 °C
[Ue] rated operational voltage 690 V AC 50/60 Hz
Network type AC
Network frequency 50/60 Hz
Circuit breaker mounting mode Fixed
Complementary
Long-time pick-up adjustment type Ir (thermal protection) Adjustable
[Ir] long-time protection pick-up adjustment range 0.7…1 x In
Long-time protection delay adjustment type tr Fixed
[tr] long-time protection delay adjustment range 120…400 s at 1.5 x In
15 s at 6 x Ir
Instantaneous protection pick-up adjustment type Ii Adjustable
[Ii] instantaneous protection pick-up adjustment range 5…10 x In
Earth-leakage protection Without
Environment
Standards EN/IEC 60947-2
Electrical shock protection class Class II
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
Ambient air temperature for storage -50…85 °C
Packing Units
Unit Type of Package 1 PCE
Number of Units in Package 1 1
Package 1 Height 7.000 cm
Package 1 Width 10.000 cm
Package 1 Length 11.500 cm
Package 1 Weight 453.800 g
Unit Type of Package 2 S03
Number of Units in Package 2 28
Package 2 Height 30.000 cm
Package 2 Width 30.000 cm
Package 2 Length 40.000 cm
Package 2 Weight 13.106 kg
Logistical informations
Country of origin PL
Contractual warranty
Warranty 18 months