Features:
1. Single-pole, single-phase, applicable for various power supply systems.
2. Creepage discharge spark gap, energy-controlled combined lightning current and surge arrester, Class B+C.
3. Particular ignition and arcs interfering technology are applied with great capacity of follow current distinguishing.
4. Large current discharging capacity at low residual voltage.
5. Degradation indicator light is fitted.
6. Kevin connection.
7. Availability of direct connection with terminal equipments.

Technical Specifications:
1. Nominal operating voltage Un: 230/440V 50Hz
2. Max. Continuous operating AC voltage Uc: 440V
3. Lightning impulse current(10/350??S)[L1+L2+L3-PEN]Itotal: 100kA
4. Lightning impulse current(10/350??S)[L, N-PE]Iimp: 25KA
5. Nominal discharging current (8/20uS) In: 25/100KA
6. Voltage protection level [L, N-PE]Up: Less than 1.5KV
7. Response time Ta: Less than 100nS
8. Max. Backup fuse (L-L'): 125Agl/gG
9. Insulation resistance Risol: 103 M??
10. Operating circumstance:
Tu: -40~ +80 degree, Humidity≤ 95%(25 degree)
11. Wiring mode/spec.: Parallel wiring / 16mm2 standard
12. Operation Status Indicator: Green/Red light
13. Mounting Width: 36mm
14. Mounting on: 35mm DIN rail acc. EN 60715
15. Enclosure color / Material: Red thermoplastic, UL94-VO
16. Degree of Protection: IP20
17. Test standard: IEC61643-21