BPS Series Class I / Type 1 Surge Protection Device


  • Compact T1+2 SPD with high energy MOV technology
  • High lightning current discharge capacity up to Iimp 12.5kA 10/350μs
  • 18mm narrow design, pluggable module for easy replacement
  • Degradation indication & optional remote signal contact
  • Lower voltage protection level
  • Comply with IEC/EN 61643-11, UL 1449 4th, IEEE C62.41, CSA C22.2

BPS12.5 Class I / Type 1 SPD Specifications

Model BPS12.5V/150-S BPS12.5V/175-S BPS12.5V/275-S BPS12.5V/320-S
Compliance EN/IEC 61643-11
Category IEC/EN Class I+II /T1+2
Max. Continuous Operating Voltage (AC) Uc 150V 175V 275V 320V
Technology High energy MOV Technology

Thermal disconnector

Ports/Protection Mode 1 / L-PE or L-N or N-PE
Lightning Impulse Current (10/350μs) Iimp 12.5kA
Nominal Discharge Current (8/20μs) In 25kA
Max. Discharge Current (8/20μs) Imax 80kA
Voltage Protection Level Up ≤1.0kV ≤1.0kV ≤1.3kV ≤1.5kV
Temporary Overvoltage TOV
—Withstand Mode
Utov 175V/5s 228V/5s 335V/5s 335V/5s
Residual Current IPE <0.1mA
Follow Current If No
Short-Circuit Current Rating per IEC 61643 Isc 10kA
Response Time tA ≤25ns
Backup Fuse (only required if not already provided in mains) 200A gL/gG
Environment Temperature Range: – 40ºC ~ +85ºC; Humidity: ≤95%; Altitude: ≤2000m
Cross-Section of Connection Wire Single-strand 35 mm2; multi-strand 25mm2
Mounting 35mm DIN-rail in accordance with EN 50022/DIN46277-3
Enclosure Material thermoplastic; extinguishing degree UL94 V-0
Degree of Protection IP20
Installation Width 1 module, DIN 43880
Failure Indication /Status RED- Failure
Remote Alarm Contact Yes
Approvals, certification CE
Additional Data for Remote Alarm Contacts
Remote Alarm Contact Type Isolated Form C
Switching Capability Un/In AC: 250V/0.5A; DC: 250V/0.1A; 125V/0.2A; 75V/0.5A
Max. Size of Connecting Wire Max. 1.5mm2 (or # 16AWG)

Multi-Pole SPD Combinations


Part No. Pole Combination Power System Max. Operating Voltage



Lightning Impulse Current (10/350μs)



Voltage Protection Level U


BPS12.5V/150-S/2P 2 2 x BPS12.5V/150-S Single phase 2W+G 150Vac 12.5kA L/N-G: 1.0kV 4
BPS12.5V/175-S/2P 2 2 x BPS12.5V/175-S Single phase 2W+G 175Vac 12.5kA L/N-G: 1.0kV 4
BPS12.5V/275-S/2P 2 2 x BPS12.5V/275-S Single phase 2W+G 275Vac 12.5kA L/N-G: 1.4kV 4
BPS12.5V/320-S/2P 2 2 x BPS12.5V/320-S Single phase 2W+G 320Vac 12.5kA L/N-G: 1.5kV 4
BPS12.5V/150-S/PN25 2 BPS12.5V/150-S + G25PS/255NPE Single phase 2W+G 150Vac 12.5kA / 25kA(NPE) L-N: 1.0kV, N-PE: 1.5kV 3
BPS12.5V/175-S/PN25 2 BPS12.5V/175-S + G25PS/255NPE Single phase 2W+G 175Vac 12.5kA / 25kA(NPE) L-N: 1.0kV, N-PE: 1.5kV 3
BPS12.5V/275-S/PN25 2 BPS12.5V/275-S + G25PS/255NPE Single phase 2W+G 275Vac 12.5kA / 25kA(NPE) L-N: 1.4kV, N-PE: 1.5kV 3
BPS12.5V/320-S/PN25 2 BPS12.5V/320-S + G25PS/255NPE Single phase 2W+G 320Vac 12.5kA / 25kA(NPE) L-N: 1.5kV, N-PE: 1.5kV 3
BPS12.5V/150-S/3P 3 3 x BPS12.5V/150-S Three phase 3W+G 150Vac 12.5kA L-G: 1.0kV 2
BPS12.5V/175-S/3P 3 3 x BPS12.5V/175-S Three phase 3W+G 175Vac 12.5kA L-G: 1.0kV 2
BPS12.5V/275-S/3P 3 3 x BPS12.5V/275-S Three phase 3W+G 275Vac 12.5kA L-G: 1.4kV 2
BPS12.5V/320-S/3P 3 3 x BPS12.5V/320-S Three phase 3W+G 320Vac 12.5kA L-G: 1.5kV 2

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