cBallast
Industrial Parts Catalog
Datasheet generated 2026-10-07
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OVERVOLTAGE PROTECTION IT 2 POLE / AL.KONT (SEM2-40/440 IT Ir)

Function · Switchgear & Protection · Surge Protectors
Part Number
SEM2-40/440 IT IR  ·  HS 8536.30
OVERVOLTAGE PROTECTION IT 2 POLE / AL.KONT (SEM2-40/440 IT Ir)

Function SEM2-40/440 IT IR Surge protection device SEM2-40/440 IT IR pluggable 32 pole with relay contact.

Technical Specifications

Manufacturer part number (MPN)SEM2-40/440 IT IR
EAN / GTIN7070587117944
Sales unitpcs
Number of poles2P
System configuration DCNo
System configuration ITYes
System configuration TNNo
System configuration TN-CNo
System configuration TTNo
Number of conductors (without earthing)2
Nominal discharge surge current (8/20)20 kA
Max. discharge surge current (8/20)40 kA
Nominal voltage AC230 V
Max. continuous voltage AC275 V
Voltage protection level L-N2 kV
Short-circuit breaking capacity (Isccr)25 kA
Integrated backup fuseNo
Mounting methodDIN rail (top hat rail) 35 mm
Construction size2 modular spacing
Max. conductor cross section solid (solid, stranded)25 mm²
Max. conductor cross section flexible (fine-strand)25 mm²
With remote signalling contactYes
Signalling at the deviceOptical
Category type 2Yes
Degree of protection (IP)IP20
Country of originSpain

Properties

MOQ1

Cross-References

Attached Documents