FLT-SPP-T1-275/25-1+0-UT-R
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Type 1+2+3 combined lightning current and surge arresters
1471595
Compact, pluggable, and leakage‑current‑free lightning current/surge arrester based on wear‑free carbon spark‑gap technology for single‑phase power supply networks with combined N and PE (2‑conductor system: L1, PEN), suitable for installation in the pre‑meter area, with a discharge capacity of up to 100 kA for Lightning Protection Levels I and II.
Product details
| Product type | Combination type |
| IEC test classification | I + II + III |
| EN type | T1 + T2 + T3 |
| IEC power supply system | TN |
| TT | |
| Type | DIN rail module, two-section, divisible |
| Environment | Indoor |
| Accessibility | Accessible |
| End-of-life mode | OCM |
| Surge protection fault message | Optical, remote indicator contact |
| Number of ports | One |
| Insulation characteristics | |
| Overvoltage category | IV |
| II | |
| Pollution degree (Main circuit) | 2 (For pollution degree 3, see Table 1 and Table 2) |
| Pollution degree (Auxiliary circuit) | 2 (For pollution degree 3, see Table 2) |
| Maximum power dissipation for nominal condition | ≤ 2.64 mVA |
| Indicator/remote signaling | |
| Connection name | remote fault indicator contact (11, 12, 14) |
| Switching contact | Changeover contact |
| AC operating voltage | 5 V AC ... 250 V AC |
| AC operating current | 5 mA AC ... 1 A AC |
| DC operating voltage | 5 V DC ... 30 V DC |
| DC operating current | 5 mA DC ... 1 A DC |
| DC operating voltage | 5 V DC ... 125 V DC |
| DC operating current | 5 mA DC ... 200 mA DC |
| Max. required back-up fuse | 1 A (gG) |
| Insulation type (between the main and auxiliary circuit) | Double/reinforced insulation |
| Connection method | Screw connection |
| Screw thread | M5 |
| Stripping length | 18 mm |
| Conductor cross-section rigid | 1.5 mm² ... 50 mm² |
| Conductor cross-section flexible | 1.5 mm² ... 35 mm² |
| Conductor cross-section AWG | 14 ... 2 |
| Conductor cross-section, flexible, with ferrule, without plastic sleeve | 1.5 mm² ... 25 mm² |
| Conductor cross-section, flexible, with ferrule, with plastic sleeve | 1.5 mm² ... 35 mm² |
| 2 conductors with same cross section, rigid | 1.5 mm² ... 16 mm² |
| 2 conductors with same cross section, flexible | 1.5 mm² ... 16 mm² |
| 2 conductors with same cross section, flexible, with ferrule without plastic sleeve | 1.5 mm² ... 16 mm² |
| 2 conductors with the same cross section, flexible, with ferrule with plastic sleeve | 1.5 mm² ... 10 mm² |
| 2 conductors with the same cross section, flexible, with TWIN ferrule with plastic sleeve | 1.5 mm² ... 16 mm² |
| Drive size | PZSL 2 |
| PZ/S 2 | |
| Tightening torque | 3 Nm ... 3.5 Nm |
| Biconnect terminal block | |
| Connection method | Fork-type cable lug |
| Screw thread | M5 |
| Conductor cross-section flexible | 1.5 mm² ... 25 mm² |
| remote fault indicator contact (11, 12, 14) | |
| Connection method | Push-in connection |
| Stripping length | 8 mm |
| Conductor cross-section rigid | 0.25 mm² ... 1.5 mm² |
| Conductor cross-section flexible | 0.25 mm² ... 1.5 mm² |
| Conductor cross-section AWG | 24 ... 16 |
| Conductor cross-section, flexible, with ferrule, without plastic sleeve | 0.25 mm² ... 1 mm² |
| Conductor cross-section, flexible, with ferrule, with plastic sleeve | 0.25 mm² ... 1.5 mm² |
| Dimensional drawing |
|
| Width | 17.8 mm |
| Height | 103.4 mm |
| Depth | 96.3 mm (incl. DIN rail 7.5 mm) |
| Color | gray (RAL 7042) |
| light gray (RAL 7035) | |
| Material Housing | PA 6.6-FR 20 % GF |
| Flammability rating according to UL 94 | V-0 |
| Insulating material | PA 6.6-FR 20 % GF |
| Mode of protection | L-N |
| L-PEN | |
| Nominal voltage UN | 240 V AC +10 % (TN) |
| 240 V AC +10 % (TT) | |
| Nominal frequency | 50/60 Hz |
| Maximum continuous operating voltage UC | 275 V AC |
| Rated load current IL | 80 A (25 mm²) |
| Continuous current IC | ≤ 15 µA |
| Maximum power dissipation for nominal condition | ≤ 2.64 mVA |
| Nominal discharge current In (8/20) µs | 25 kA |
| Max. discharge current Imax (8/20)µs | 50 kA |
| Combination wave UOC | 6 kV |
| Impulse discharge current | 25 kA (12.5 As / 156 kJ/Ω) |
| Short-circuit current rating ISCCR | 50 kA |
| Voltage protection level Up | ≤ 1.5 kV |
| Combination wave UOC | 6 kV |
| Front-of-wave sparkover voltage at 6 kV (1.2/50) µs | ≤ 1.5 kV |
| Residual voltage Ures | ≤ 1.5 kV (at In) |
| ≤ 1.3 kV (at 12.5 kA) | |
| ≤ 1.1 kV (at 5 kA) | |
| ≤ 1 kV (at 2.5 kA) | |
| TOV behavior at UT | 457 V AC (120 min / withstand mode) |
| Response time tA | ≤ 100 ns |
| Max. backup fuse with V-type through wiring | 80 A (gG) |
| Max. backup fuse with branch wiring | 315 A (gG) |
| Ambient conditions | |
| Degree of protection | IP20C (under touch protection cover) |
| Ambient temperature (operation) | -40 °C ... 85 °C |
| Ambient temperature (storage/transport) | -40 °C ... 85 °C |
| Ambient temperature (assembly) | -5 °C ... 50 °C |
| Altitude | ≤ 2000 m (amsl) |
| For higher altitudes, see Table 1 and Table 2 | |
| Permissible humidity (operation) | 5 % ... 95 % |
| Shock (operation) | 30g (Half-sine / 11 ms / 3x ±X, ±Y, ±Z) |
| Vibration (operation) | 5g (5 - 500 Hz/2.5 h/X, Y, Z) |
| Standards/specifications | IEC 61643-11 |
| Note | 2025 |
| Standards/specifications | EN IEC 61643-11/A11 |
| Note | 2025 |
| Standards/specifications | EN 61643-11 |
| Note | 2012 + A11:2018 |
| Mounting type | DIN rail: 35 mm |
| Mounting method | fixed |
Your advantages
Top performance for reliable system protection with triggered multi-carbon spark gap technology
Superior protective effect even for sensitive systems due to the fast response behavior and low residual voltage
Easy and safe installation with advanced features such as miswiring and touch protection
Versatile use due to the space-saving overall width of 17.5 mm per position