Trade Price
£426.16
Per
1
Unit
EA
Pack Quantity
1
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.
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
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
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
10.0 cm
Package 1 Length
11.5 cm
Package 1 Weight
420.0 g
Unit Type of Package 2
S03
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
Warranty
18 months
Datasheet