Description
Trip unit TM250D, ComPacT NSX250, 3 poles, thermal magnetic protections, 250A rating
This TM250D is a 3 poles 3d thermal-magnetic trip unit used on ComPacT NSX 250 circuit breakers. This 250A rating thermal-magnetic trip unit is an optimum choice for all distribution 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.
Specifications
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
Rated operational voltage: 690 V AC 50/60 Hz
Network type: AC
Network frequency: 50/60 Hz
Circuit breaker mounting mode: Fixed
Main
Long-time pick-up adjustment type Ir (thermal protection): Adjustable
Long-time protection pick-up adjustment range: 0.7…1 x In
Long-time protection delay adjustment type tr: Fixed
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
Instantaneous protection pick-up adjustment range: 5…10 x In
Earth-leakage protection: Without
Complementary
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
Environment & Packaging
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: 0.454 kg
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
Warranty
18 months
Customs Tariff Code
85362000
