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APS-2P Low Voltage SPD Class I+II 230VAC

Key Features: 

  • Surge arrester type 1+2 for low-voltage power 
  • Supply system surge and direct protection 
  • Lightning strikes the boundaries 
  • Zones of protection 0B -2 and higher. 
  • Ensured by encapsulated spark gap technology 
  • Dependability in a tough environment 
  • IEC61643-11 compliance, surge arrester for TN-S systems 
  • Imp 25kA 10/350 per pole discharge capacity 
  • Protection from low voltage 
  • Comes with standard remote signalling contact and a failure indicator. 
  • Remote signalling contact and failure indicator are optional. 
  • The temperature range for operation is 40 °C + 80 °C. 


The APS-2P Low Voltage SPD Class I+II 230VAC is designed to protect electrical installations and sensitive equipment from indirect surges while maintaining a low protection level (Up). It is distinguished by its ability to safely discharge current with an 8/20 s waveform. Surge arresters of type 1+2 are intended to protect low-voltage power supply systems from surges, and direct lightning strikes at the edges of lightning protection zones 0B -2 and higher. 



Part. No G25/320-S/2P
In accordance with IEC 61643-11:2011; UL1449-4th
Category IEC / VDE I+II / B+C
Max. Continuous Operating Voltage (V) AC/DC 320/420
Nominal Discharge Current (8/20) In 25kA
Max. Discharge Current (8/20) Imax 100kA
Lightning Impulse Current (10/350) Iimp 25kA
Voltage Protection Rating @1.2/50 <1.6kV
Response Time ≤100 ns
Short-circuit Current Rating (Isccr) & Follow Current Interrupt Raing (Ifi) Isccr =10kArms ; Ifi≥10kArms@255Vac
Backup Fuse (only if not provided by mains) 250A gL / gC
Operating Temperature Range - 40 °C ~ + 80 °C
Cross-section of Connection Wire Single-strand 35mm2 ; 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 4 modules, DIN 43880
Thermal Disconnector Internal green – normal; red – failure
Remote Alarm Contact Optional
Approvals, Certifications CE
Additional Data for Remote Alarm Contacts
Remote Alarm Contact Type solated 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)

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1 review for APS-2P Low Voltage SPD Class I+II 230VAC

  1. Zoe

    The APS-2P Low Voltage SPD is a reliable surge protection device that offers both Class I+II protection and direct power supply system protection. It’s built to withstand tough environments and comes with remote signaling and failure indicators. Highly recommended!

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