Technical Data
| IEC Electrical | ||
| Nominal AC Voltage (50/60Hz) | 230V | |
| Maximum Continuous Operating Voltage | (L – N) Uc | 275 V |
| (N – PE) Uc | 255V | |
| Nominal Discharge Current (8/20 µs) | (L – N) / (N – PE) In | 25 kA / 100 kA |
| Maximum Discharge Current (8/20 µs) | (L – N) / (N – PE) Imax | 100 kA |
| Impulse Discharge Current (10/350 µs) | (L – N) / (N – PE) I imp | 25 kA / 100 kA |
| Specific Energy | (L – N) / (N – PE) W/R | 156 kJ / Ω / 2,5 M kJ / Ω |
| Charge | (L – N) / (N – PE) Q | 12.5 As / 50 As |
| Voltage Protection Level | (L – N) / (N – PE) Up | 1.5 kV / 1.5 kV |
| Follow Current Interrupt Rating | (N – PE) If | 100 ARMS |
| Response Time | (L – N) / (N – PE) tA | < 25 ns / < 100 ns |
| Back-Up Fuse (max) | 315 A gL / gG | |
| Short-Circuit Current Rating (AC) | (L – N) ISCCR | 50 kA |
| TOV Withstand 5s | R (L – N) UT | 335 V |
| TOV 120min | (L – N) UT | 440 V |
| TOV Withstand 200ms | (N – PE) UT | 1200 V |
| Number of Ports | 1 | |
Mechanical & Environmental | ||
Operating Temperature Range | Ta | -40 ºF to + 158 ºF [-40 ºC to + 70 ºC] |
Permissible Operating Humidity | RH | 5%…95% |
Atmospheric pressure and altitude |
| 80k Pa … 106k Pa / -500 m … 2000 m |
Terminal Screw Torque | Mmax | 39.9 Ibf·in [4.5 Nm] |
Conductor Cross Section (max) |
| 2 AWG (Solid, Stranded) / 4 AWG (Flexible) 35 mm (Solid, Stranded) / 25 mm (Flexible) |
Mounting |
| 35 mm DIN Rail, EN 60715 |
Degree of Protection |
| IP 20 (built-in) |
Housing Material |
| Thermoplastic: Extinguishing Degree UL 94 V-0 |
Thermal Protection |
| Yes |
Operating State / Fault Indication |
| White ok / Red defect |
Remote Contacts (RC) |
| Optional |
RC Switching Capacity |
| AC: 250 V / 0.5 A; DC: 250 V / 0.1 A; 125 V / 0.2 A; 75 V / 0.5 A |
RC Conductor Cross Section (max) |
| 16 AWG (Solid) / 1.5 mm (Solid) |
Dimensions & Packaging
Dimensions & Packaging
Complete Unit | |
FLP25-275/3S+1 | 275 |
DIN 43880 Dimension | 1 CTN |
Packaging Dimensions (H x W x L) | [240 × 220 × 330 mm] |
Standard Order Quantity | 12 Units |
Connection Diagram
TN-S, TT (Three-phase, 3+1)
Components for FLP25-275
Components for FLP100-275
Industrial environments often house critical machinery and sensitive electronic controls that are highly susceptible to damage from electrical surges.
Type 1 surge protector devices are essential in such settings to protect against the high-energy transients that can result from lightning strikes or heavy-duty electrical operations.
Installing these devices at the main distribution boards helps to maintain operational continuity and prevent costly downtimes.
In commercial buildings, the reliability of electrical systems is paramount.
From office complexes to shopping malls, the protection of lighting systems, HVAC units, elevators, and other essential services is critical.
Type 1 surge protector devices ensure that the electrical infrastructure remains intact during electrical disturbances, thereby safeguarding the business operations and enhancing the safety of occupants.
Unique, as our strategic vision that places financial independence, international technical collaboration and strong individual commitment, at the forefront.
It usually takes about 10-25 workdays to produce. Different products have different lead times.
We accept T/T and Paypal.
Yes, we welcome sample orders to test and check the quality.
Yes, of course, we also do OEM to print the client’s brand on the product.
We provide 5 years limited warranty for the products. Please feel assured.
Yes, we can customize it according to the client’s needs.
Are You
A Distributor or Wholesaler?
A Branded Customized Customer?
An Engineer, Architect, or Designer?
An Online Brand Business Owner?
Special for Broker
If you have connections with professionals in the construction, electrician electric industries,
We encourage you to become a valuable partner for LSP.
Since 2010, LSP has been dedicated to designing and manufacturing surge protective devices protecting installations from transient overvoltages that result from switching events and lightning strikes.
