In
(8/20) Up   Remote
Cartridge No
L-N N-PE
TT (3Ph+N)
STPT2-40K150V-4PG 83020144 120/208 VAC 150 V 40 kA 20 kA ≤ 1 kV (L-N)
≤ 1 5 kV (N-PE) No SP2-40K150V SP2-40K-N
STPT2-40K150V-4PGM 83020145 120/208 VAC 150 V 40 kA 20 kA ≤ 1 kV (L-N)
≤ 1 5 kV (N-PE) Yes SP2-40K150V SP2-40K-N
STPT2-40K275V-4PG 83020146 230/400 VAC 275 V 40 kA 20 kA ≤ 1 3 kV (L-N)
≤ 1 5 kV (N-PE) No SP2-40K275V SP2-40K-N
STPT2-40K275V-4PGM 83020147 230/400 VAC 275 V 40 kA 20 kA ≤ 1 3 kV (L-N)
≤ 1 5 kV (N-PE) Yes SP2-40K275V SP2-40K-N
STPT2-40K320V-4PG 83020148 277/480 VAC 320 V 40 kA 20 kA ≤ 1 5 kV (L-N)
≤ 1 5 kV (N-PE) No SP2-40K320V SP2-40K-N
STPT2-40K320V-4PGM 83020149 277/480 VAC 320 V 40 kA 20 kA ≤ 1 5 kV (L-N)
≤ 1 5 kV (N-PE) Yes SP2-40K320V SP2-40K-N
TNS (3Ph+N)
STPT2-40K150V-4P 83020150 120/208 VAC 150 V 40 kA 20 kA ≤ 1 kV No SP2-40K150V -
STPT2-40K150V-4PM 83020151 120/208 VAC 150 V 40 kA 20 kA ≤ 1 kV Yes SP2-40K150V -
STPT2-40K275V-4P 83020152 230/400 VAC 275 V 40 kA 20 kA ≤ 1 3 kV No SP2-40K275V -
STPT2-40K275V-4PM 83020153 230/400 VAC 275 V 40 kA 20 kA ≤ 1 3 kV Yes SP2-40K275V -
STPT2-40K320V-4P 83020154 277/480 VAC 320 V 40 kA 20 kA ≤ 1 5 kV No SP2-40K320V -
STPT2-40K320V-4PM 83020155 277/480 VAC 320 V 40 kA 20 kA ≤ 1 5 kV Yes SP2-40K320V -
IT (3Ph+N)
TNS (3Ph+N)
STPT2-40K440V-4P 83020156 230/400 VAC (IT)
400/690 VAC (TNS) 440 V 40 kA 20 kA ≤ 2 kV No SP2-40K440V -
STPT2-40K440V-4PM 83020157 230/400 VAC (IT)
400/690 VAC (TNS) 440 V 40 kA 20 kA ≤ 2 kV Yes SP2-40K440V -
STPT2-40K275V-4PM
 
SURGE PROTECTION DEVICES
EP MERSEN COM 274
MERSEN reserves the right to change, update or correct, without notice, any information contained in this datasheet 
Surge-Trap® Pluggable STPT2 Series - 40kA
DIN-RAIL IEC TYPE 2 / CLASS II
 
Replacement cartridges
 
 
 
  Un Uc Imax (8/20) In (8/20) Up  
L-N
SP2-40K60V 83020008 48 VAC 60 V 40 kA 20 kA ≤ 0 7 kV
SP2-40K75V 83020009 60 VAC 75 V 40 kA 20 kA ≤ 0 8 kV
SP2-40K150V 83020001 120 VAC 150 V 40 kA 20 kA ≤ 1 kV
SP2-40K275V 83020002 230 VAC 275 V 40 kA 20 kA ≤ 1 3 kV
SP2-40K320V 83020003 277 VAC 320 V 40 kA 20 kA ≤ 1 5 kV
SP2-40K440V 83020004 400 VAC 440 V 40 kA 20 kA ≤ 2 kV
SP2-30K750V 83020007 690 VAC 750 V 30 kA 15 kA ≤ 3 kV
SP2-30K850V 83020022 850 VAC 850V 30 kA 15 kA ≤ 3 kV
N-PE
SP2-40K-N 83020000 Neutral 277 V 40 kA 20 kA ≤ 1 5 kV
SP2-40K275V
SURGE PROTECTION DEVICES
EP MERSEN COM 275
MERSEN reserves the right to change, update or correct, without notice, any information contained in this datasheet