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Industrial Parts Catalog
Datasheet generated 2026-10-07
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Surge protection device PSM3-40/440 IT LCF IR (CP77707885)

Function · Switchgear & Protection · Surge Protectors
Part Number
CP77707885  ·  HS 8536.30
Surge protection device PSM3-40/440 IT LCF IR (CP77707885)

Function CP77707885 Surge protection device PSM3-40/440 IT LCF IR.

Technical Specifications

Manufacturer part number (MPN)CP77707885
EAN / GTIN7070587119931
Sales unitpcs
System configuration DCNo
System configuration ITYes
System configuration TNNo
System configuration TN-CNo
System configuration TTNo
Number of conductors (without earthing)3
Nominal discharge surge current (8/20)20 kA
Max. discharge surge current (8/20)40 kA
Max. continuous voltage AC440 V
Voltage protection level L-N1.3 kV
Voltage protection level N-PE1.5 kV
Short-circuit breaking capacity (Isccr)25 kA
Integrated backup fuseNo
Mounting methodDIN rail (top hat rail) 35 mm
Construction size3 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