Imax
(8/20) In (8/20) Up   Remote
Cartridge No
L-N N-PE
L-N (1Ph)
STPT12-25K275V-1P 83120152 230 VAC 275 V 25 kA 100 kA 25 kA ≤ 1 5 kV No SP12-25K275V -
STPT12-25K275V-1PM 83120153 230 VAC 275 V 25 kA 100 kA 25 kA ≤ 1 5 kV Yes SP12-25K275V -
N-PE (N)
STPT12-100K-N 83120166 Neutral 255 V 100 kA 100 kA 50 kA ≤ 1 5 kV No - SP12-100K-N
STPT12-25K275V-1PM
 
Replacement cartridges
 
 
 
  Un Uc Iimp (10/350) Imax (8/20) In (8/20) Up  
L-N
SP12-12K75V 83120000 60 75 V 12 5 kA 50 kA 20 kA ≤ 0 65 kV
SP12-12K150V 83120001 120 150 V 12 5 kA 50 kA 20 kA ≤ 1 kV
SP12-12K275V 83120002 230 275 V 12 5 kA 50 kA 20 kA ≤ 1 3 kV
SP12-12K320V 83120003 277 320 V 12 5 kA 50 kA 20 kA ≤ 1 4 kV
SP12-12K440V 83120004 400 440 V 12 5 kA 50 kA 20 kA ≤ 1 8 kV
N-PE
SP12-25K-N 83120005 Neutral 255 V 25 kA 50 kA 25 kA ≤ 1 5 kV
SP12-50K-N 83120006 Neutral 255 V 50 kA 50 kA 50 kA ≤ 1 5 kV
SP12-12K275V
SURGE PROTECTION DEVICES
EP MERSEN COM 268
MERSEN reserves the right to change, update or correct, without notice, any information contained in this datasheet 
Surge-Trap® Pluggable STPT12 Series - 25kA
DIN-RAIL IEC TYPE 1+2 / CLASS I+II
3 Poles
 
 
 
  Un Uc Iimp (10/350) Imax (8/20) In (8/20) Up   Remote
Cartridge No
L-N
TNC (3Ph)
STPT12-25K275V-3P 83120158 230 / 400 VAC 275 V 25 kA 100 kA 25 kA ≤ 1 5 kV No SP12-25K275V
STPT12-25K275V-3PM 83120159 230 / 400 VAC 275 V 25 kA 100 kA 25 kA ≤ 1 5 kV Yes SP12-25K275V
STPT12-25K275V-3PM
4 Poles
 
 
 
  Un Uc Iimp
(10/350)
Imax
(8/20)
In
(8/20) Up   Remote
Cartridge No
L-N N-PE
TT (3Ph+N)
STPT12-25K275V-4PG 83120150 230 / 400 VAC 275 V 25 kA 100 kA 25 kA ≤ 1 5 kV No SP12-25K275V SP12-100K-N
STPT12-25K275V-4PGM 83120151 230 / 400 VAC 275 V 25 kA 100 kA 25 kA ≤ 1 5 kV Yes SP12-25K275V SP12-100K-N
TNS (3Ph+N)
STPT12-25K275V-4P 83120160 230 / 400 VAC 275 V 25 kA 100 kA 25 kA ≤ 1 5 kV No SP12-25K275V -