KM3-10-1+1 SC

10kA Type 3 surge arrester
Combination of varistor SPD and encapsulated spark gap connected in the 1 + 1 mode. Use in TN-C, TN-S, TN-C-S and TT systems on the boundary of LPZ2 and LPZ3. Locate as close as possible to the equipment to be protected.

Suitable for houses, commercial and industrial buildings.

Category: Part: KM3-10-1+1SC
Order number
KM3-10-1+1 SC
System
Single phase TN-C, TN-S, TN-C-S, TT /2 pole
Nominal voltageUn
230V AC
Nominal voltageUO
230V/400V AC ± 10%
Maximum operating voltage L-NUc
275V AC
Maximum operating voltage N-PEUc
255V AC
Nominal discharge current (8/20μs) L-NIn
5kA
Nominal discharge current (8/20μs) N-PEIn
10kA
Test voltage L-NUoc
10kV
Test voltage N-PEUoc
20kV
Voltage protection levelUp
1kV
Voltage protection level mode L-N/N-PEUp
1.5kV
Maximum overcurrent protection
63A gL/gG or C 63A
Response time L-Nta
25ns
Response time N-PEta
100ns
Cross-section of connected conductors solid (min - max)
1mm² - 35mm²
Cross-section of connected conductors stranded (min - max)
1mm² - 25mm²
Fault indication L-N
Red indication field
Fault indication N-PE
No
Remote indication
Potential-free change-over contact
Remote indication contacts
250V/0.5A AC, 250V/0.1A DC
Cross-section of remote indication conductors
1.5mm²
Degree of protection
IP20
Range of operating temperatures (min - max)
-40°C - +80°C
Mounting
DIN rail 35mm
According to standard
EN 61643-11:2012, IEC 61643-11:2011 / T3
Weight
215g (nett), 250g (gross)
LPL I + II and LPL III + IV
SYSTEM:SINGLE PHASE TN-C, TN-S, TN-C-S and TT
LOCATION:BOUNDARY of LPZ2 & LPZ3 (if the electronic equipment is >5m away from SDB)
  • Remote signalling
  • Reversible installation
  • Biconnect terminals
  • Locking pluggable modules
  • Optical lifetime status indication
  • No follow-through current
  • No leakage current
  • Coordinated range (install in close proximity to each other)

BS:EN 62305 (lightning protection) and EN 61643-11 (surge protection devices).

CLICK THE IMAGE BELOW TO DOWNLOAD INSTALLATION GUIDE PDF

C14923 SPD Installation Guide

Spare modules are available

DESCRIPTION
ORDER NUMBER
Spare Module L-N
KM3-10
Spare Module N-PE
KM3-NPE

Replace when fault indication indicator turns from green to red