Surge protection device SEM3-40/440 IT IR NSO (CP77707879M)
Function

Surge protection device SEM3-40/440 IT IR NSO

Part numberCP77707879MEAN / GTIN8435297867678HS code8536.30
Switchgear & Protection
Surge Protectors
MOQ:1

Pricing

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Product Description

Function CP77707879M Overvoltage protection IT 3 pole/al.kont (NSO).

Technical Specifications

Manufacturer part number (MPN)
CP77707879M
EAN / GTIN
8435297867678
Sales unit
pcs
Package quantity
40 pcs
System configuration DC
No
System configuration IT
Yes
System configuration TN
No
System configuration TN-C
No
System configuration TT
No
Number of conductors (without earthing)
3
Nominal discharge surge current (8/20)
20 kA
Max. discharge surge current (8/20)
40 kA
Nominal voltage AC
230 V
Max. continuous voltage AC
275 V
Voltage protection level L-N
2 kV
Short-circuit breaking capacity (Isccr)
25 kA
Integrated backup fuse
No
Mounting method
DIN rail (top hat rail) 35 mm
Construction size
3 modular spacing
Max. conductor cross section solid (solid, stranded)
25 mm²
Max. conductor cross section flexible (fine-strand)
25 mm²
With remote signalling contact
Yes
Signalling at the device
Optical
Category type 2
Yes
Degree of protection (IP)
IP20
Country of origin
Spain

Standards & Compliance

HS Code
8536.30

Cross References

  • EAN 8435297867678
  • SAP 1200780475
  • Code 83939714

Product Documentation

Document preview: Surge protection device SEM3-40/440 IT IR NSO (CP77707879M) — Specification sheet

Catalogue entry last verified: 2026-09-30. A manufacturer datasheet is attached to this entry — confirm application-critical values against it.

Frequently asked questions

Where can I buy CP77707879M?
CP77707879M can be ordered from cballast.com as a Function catalogue item: request a quotation on this page or email sales@cballast.com, and the order ships worldwide.
What is the manufacturer part number for this Function product?
The manufacturer part number is CP77707879M.
What is the HS code for CP77707879M?
The customs tariff (HS) code for CP77707879M is 8536.30.
Who manufactures CP77707879M?
CP77707879M is a Function product in the Switchgear & Protection range.
Is a datasheet available for CP77707879M?
Yes — the CP77707879M datasheet can be viewed and downloaded on this page.
What is the minimum order quantity for CP77707879M?
The minimum order quantity is 1.
Is CP77707879M available?
Yes — CP77707879M is available to order: fulfilment is from supplier stock in cBallast's European network, dispatched directly from the warehouse to the customer, with the exact lead time stated in the quotation (reply within 24 hours).