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service@hnwpx.com
AC SPD WPX-MPA120-385/3+N
Product introduction:AC surge protection WPX-MPA120-385/3+N surge protective device is for protecting low-voltage consumer’s installations against indirect lightning discharges and is to be installed in LEPM zone: LPZ1 - LPZ2 as per IEC 62305.
Product application:It is suitable for being used in TT, TN-S, and low voltage AC distribution system and provides B class surge protection for three phase power supplies.
Phone number:+86-731-88650578Contact
E-mail:service@hnwpx.com
Specifications
| Model Number | WPX-MPA120-385/3+N-FM | WPX-MPA120-385/3+N |
| SPD according IEC61643-11/GB 18802.1/EN 61643-11 | Class II/Type 2 | Class II/Type 2 |
| Applicable power supply system | TT/IT/TNC | TT/IT/TNC |
| Modes of protection | L1/L2/L3-N,-PE | L1/L2/L3-N,-PE |
| Rated Working Voltage Uo | 230V/400V~ | 230V/400V~ |
| Maximum nominal operating current (series) | 125A | 125A |
| Max Continuous Operating Voltage Uc（L-N） | 385V~ | 385V~ |
| Max Continuous Operating Voltage Uc（N-PE） | 260V~ | 260V~ |
| Nominal Discharge Current In(8/20μs) (L-Ν) | 60kA | 60kA |
| Μax Discharge Current In(8/20μs) (L-N) | 120kA | 120kA |
| Impulse Discharge Current Iimp(10/350μs) (N-PE) | 50kA | 50kA |
| Μax Discharge Current In(8/20μs) (Ν-PE) | 150kA | 150kA |
| 5kA, Voltage Protection Level Up(L-N) | ≤1.4kV | ≤1.4kV |
| 20kA, Voltage Protection Level Up(L-N) | ≤1.8kV | ≤1.8kV |
| In Voltage Protection Level Up(L-N) | ≤2.5kV | ≤2.5kV |
| In Voltage Protection Level Up(N-PE) | ≤2.5kV | ≤2.5kV |
| Response Time tA (L-N) | ≤25ns | ≤25ns |
| Response Time tA (N-PE) | ≤100ns | ≤100ns |
| Max. mains-side Overcurrent Protection(L) | 400A( gL/gG) | 400A( gL/gG) |
| Cross sectional area for wiring terminal connected to conductor | Stranded：4～25mm² | Stranded：4～25mm² |
| Cross sectional area for wiring terminal connected to conductor | Solid Wire：4～35mm² | Solid Wire：4～35mm² |
| Operating Temperature Range(in parallel) | -40℃...+80℃ | -40℃...+80℃ |
| Operating Temperature Range（series)） | -40℃...+60℃ | -40℃...+60℃ |
| Relative Humidity | ≤95%（25℃） | ≤95%（25℃） |
| Atmospheric Pressure | 86kPa...106kPa | 86kPa...106kPa |
| Working Frequency | 42Hz...68Hz | 42Hz...68Hz |
| Torque: wiring terminal/remote signaling interface | 2.5Nm/0.25Nm | 2.5Nm/0.25Nm |
| Enclosure material | UL V-0 | UL V-0 |
| Mounting | DIN 35mm rail | DIN 35mm rail |
| Degree of protection（IP code） | IP20 | IP20 |
| Max. Cross-sectional Area For Remote Signaling Interface | 1.5mm² | --------- |
| Intensity of Remote Signalling Alarm Contact | AC:250V/ 0.75A 125V/ 3A | --------- |
| DC： 30V/ 2A | --------- |
Diagram of dimensions
Description
-The core parts are metal oxide varistor components with high discharge capacity.
-Low residual voltage and quick response
-Reliable control thanks to Thermo Dynamic Control disconnector.
-With remote signaling contact for control device.
-Fault indication via red mark in the inspection window.
