C254TM250D
NSX250 DC 4P4d TM-DC 250A TU
Trade Price
£557.29
Per
1
Unit
EA
Pack Quantity
1
Information
TM250DC is a 4 poles thermal-magnetic trip unit used on ComPacT NSX 250DC 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. The rated current is 250A and the operational voltage is 750VDC. It is compliant with international standards (IEC 60947), CCC, EAC and marine specifications.
Technical Specifications
Range
ComPacT new generation
Range of product
ComPacT NSX100...250 DC new generation
Product or component type
Trip unit
Trip unit name
TM-D
Trip unit technology
Thermal-magnetic
Range compatibility
ComPacT new generation NSX250 DC
Device application
Distribution
Poles description
4P
Protected poles description
4D
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
750 V DC
Network type
DC
Circuit breaker mounting mode
Fixed
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
Instantaneous protection pick-up adjustment type Ii
Adjustable
[Ii] instantaneous protection pick-up adjustment range
5...10 x In
earth-leakage protection
Without
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
Unit Type of Package 1
PCE
Number of Units in Package 1
1
Package 1 Height
6.6 cm
Package 1 Width
9.8 cm
Package 1 Length
15.0 cm
Package 1 Weight
554.0 g
Unit Type of Package 2
S03
Number of Units in Package 2
23
Package 2 Height
30.0 cm
Package 2 Width
30.0 cm
Package 2 Length
40.0 cm
Package 2 Weight
12.89 kg
Warranty
18 months
Document Links
Datasheet