Type 2 AC Surge Protective Device TRS9-B120
Main Features
- Nominal discharge current (8/20μs) In: 80kA
- Maximum discharge current (8/20μs) Imax: 120kA
- Network Systems: TN-S, TT, TN-C-S
- Mode of Protection: L-PE, N-PE
- IEC/EN Category: Class II / Type 2
- Protective Elements: High Energy MOV
- Housing: Pluggable design
- Application: Sub-Distribution Board
- Compliance: EN 61643-11:2012, IEC 61643-11:2011/T2
The TRS9-B120 is a heavy-duty Type 2 surge protective device developed for demanding AC networks subjected to elevated surge energy.
Offering 80 kA nominal and 120 kA maximum discharge capacity, it provides enhanced endurance against powerful induced lightning surges and high-energy switching disturbances.
Its pluggable MOV module enables quick and safe replacement, minimizing downtime during maintenance, while the fault indication window ensures clear visual monitoring.
Engineered for reliability under tough electrical conditions, the TRS9-B120 delivers stable protection levels suitable for sensitive and high-value equipment.
Applications
Industrial distribution networks
Facilities located in areas with frequent thunderstorms or unstable grid conditions
Protection of industrial machinery, motor drives, and automation equipment
Sites requiring high surge immunity with easy module servicing
Multi-stage SPD systems where high-capacity Type 2 units are needed
| Parameter/Type | TRS9-B80 | TRS9-B100 | TRS9-B120 | TRS9-B150 |
| Nominal volatge (Un) | 380 V AC | |||
| Maximum operating voltage (Uc) | 385 V AC | |||
| Nominal discharge current (8/20μs)( In) | 40 kA | 60 kA | 80 kA | 100 kA |
| Maximum discharge current (8/20μs) (Imax) | 80 kA | 100 kA | 120 kA | 150 kA |
| Voltage protection level (Up) | ≤ 2,4 kV | ≤ 2,5 kV | ≤ 3,0 kV | ≤ 3,5 kV |
| Response time (ta) | < 25ns | |||
| Cross-section of connected conductors solid (min/max) | 16 mm2 / 35 mm2 | |||
| Cross-section of connected conductors stranded (min/max) | 16 mm2 / 35 mm2 | |||
| Fault indication | red indication field | |||
| Remote indication | potential-free change-over contact | |||
| Remote indication contacts | 250 V / 0,5 A AC, 250 V / 0,1 A DC | |||
| Cross-section of remote indication conductors | 1,5 mm2 | |||
| Degree of protection | IP20 | |||
| Range of operating temperatures (min/max) | -40℃~+70℃ | |||
| Humidity range | 5%~95% | |||
| Mounting | DIN rail 35 mm | |||
| According to standard | EN 61643-11:2012, IEC 61643-11:2011 / T2 | |||
| Remarks | Other Uc can be customized.(420V AC, 275V AC, 320V AC, etc.) | |||
Related Products
| Uocstc | 1000v, 1250v |
|---|---|
| Ucpv | 1200v, 1500 |
| Iimp | 5kA, 7kA |
| Z0 | 50 Ohm |
|---|---|
| IL | ≤0.3dB |
| Freq. | DC-2.5GHz |
| VSWR | <1.2 |
| Uocstc | 110v, 24v, 48v, 75v |
|---|---|
| Ucpv | 180v, 36v, 65v, 80v |
