Schneider-Electric
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29044
trip unit - TMD - 25 A - 4 poles 3d
Merlin Gerin
Characteristics
Main
Range ComPact
Range of product NR100...250
Product or component type Trip unit
Trip unit name TM-D
Trip unit technology Thermal-magnetic
Range compatibility ComPact NR100
ComPact NR250
Device application Distribution
Number of poles 4P
Protected poles description 3t
Neutral position Left
Trip unit protection functions LI
Protection type L : for overload protection (thermal)
I : for short-circuit protection (magnetic)
Trip unit rated current 25 A at 40 °C
Network type AC
Network frequency 50/60 Hz
Complementary
Long-time pick-up adjustment type Ir (thermal protection) Fixed
[Ir] long-time protection pick-up adjustment range 0.8...1 x In
Short-time protection pick-up adjustment type Isd Fixed
[Isd] Short-time protection pick-up adjustment range 300 A
Neutral protection settings 0.5 x Ir
1 x Ir
No protection
Environment
Standards IEC 60947-2
Product certifications ASTA
KEMA
ASEFA
LCIE
Pollution degree 3 conforming to IEC 60947
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