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29072 |
Schneider-Electric
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29072
trip unit - STR22SE - 40 A - 3 poles 3d
Merlin Gerin
Characteristics
Main
Range ComPact
Range of product NR100...250
Product or component type Trip unit
Trip unit name STR22SE
Trip unit technology Electronic
Range compatibility ComPact NR100
ComPact NR250
Device application Distribution
Number of poles 3P
Protected poles description 3t
Protection type For overload protection (long time)
For short time short-circuit protection
Trip unit rated current 36 A at 70 °C
38 A at 60 °C
40 A at 20 °C
Network type AC
Network frequency 50/60 Hz
Complementary
Long-time pick-up adjustment type Ir (thermal protection) Adjustable 48 settings
[Ir] long-time protection pick-up adjustment range 0.4...1 x In
Long-time protection delay adjustment type tr Fixed
[tr] long-time protection delay adjustment range 90…180 s at 1.5 x Ir
3.2…5 s at 7.2 x Ir
5…7.5 s at 6 x Ir
Short-time protection pick-up adjustment type Isd Adjustable 8 settings
[Isd] Short-time protection pick-up adjustment range 2...10 x Ir
Short-time protection delay adjustment type tsd Fixed
[tsd] Short-time protection delay adjustment range 0.04…0.06 s
Instantaneous protection pick-up adjustment type Ii Adjustable 8 settings
Display type LED
Environment
Standards IEC 60947-2
Product certifications LCIE
ASTA
ASEFA
KEMA
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
Packing Units
Unit Type of Package 1 PCE
Number of Units in Package 1 1
Offer Sustainability
EU RoHS Directive Not applicable, out of EU RoHS legal scope