Product Model
FLT 35 CTRL-4.0/I

Selling Points
- 13 kA for robust protection against electrical surges.
- 2Up to 4 kV, ensuring your system is safeguarded against high voltage spikes.
- 3Suitable for various applications, including industrial and commercial settings.
- 4Dimensions: 17.6 mm width, 90 mm height, and 65.5 mm depth for easy integration.
- 5Designed to withstand transient overvoltages (TOV) up to 440 V AC for 5 seconds in withstand mode.
Technical Specifications
Detailed engineering parameters based on manufacturer documentation
Parameter | Value | Parameter | Value |
---|---|---|---|
Note | 100 % lightning impulse sparkover voltage (1.2/50) µs ≤ 1.5 kV | Product type | Combination type |
IEC test classification | I
T1 | EN type | T1 |
IEC power supply system | TT
TN-S | Type | DIN rail module, one-piece |
Number of positions | 1 | Surge protection fault message | optical |
Overvoltage category | III | Pollution degree | 2 |
Nominal frequency f | 50 Hz (60 Hz) | Connection method | Screw terminal blocks |
Screw thread | M5 | Tightening torque | 4.5 Nm |
Stripping length | 14.5 mm | Conductor cross section flexible | 2.5 mm² ... 25 mm² |
Conductor cross section rigid | 2.5 mm² ... 35 mm² | Conductor cross section AWG | 6 ... 2 |
Width | 17.6 mm | Height | 88.6 mm |
Depth | 66.2 mm | Horizontal pitch | 1 Div. |
Flammability rating according to UL 94 | V-0 | CTI value of material | 600 |
Insulating material | PA 6.6 | Material group | I |
Housing material | PA 6.6 | Open side panel | No |
Mode of protection | L-PEN | Direction of action | 1L-N/PE |
Nominal voltage U | 230/400 V AC (TN)
230/400 V AC (TT) | Nominal frequency f | 50 Hz (60 Hz) |
Maximum continuous operating voltage U | 260 V AC | Rated load current I | 80 A |
Residual current I | ≤ 2.5 mA | Standby power consumption P | ≤ 650 mVA |
Impulse discharge current (10/350) µs (L-PEN), charge | 17.5 As | Impulse discharge current (10/350) µs (L-PEN), specific energy | 306 J/Ω |
Impulse discharge current (10/350) µs (L-PEN), peak current value I | 35 kA | Follow current quenching capacity I | 3 kA |
Short-circuit current rating I | 3 kA | Voltage protection level U | ≤ 4 kV |
TOV behavior at U | 440 V AC (5 s / withstand mode)
440 V AC (120 min / withstand mode) | Response time t | ≤ 100 ns |
Max. backup fuse with V-type through wiring | 80 A AC (gG) | Max. backup fuse with branch wiring | 400 A AC (gG) |
Degree of protection | IP20 (only when all terminal points are used) | Ambient temperature (operation) | -40 °C ... 85 °C |
Ambient temperature (storage/transport) | -40 °C ... 85 °C | Altitude | ≤ 2000 m (amsl) |
Permissible humidity (operation) | 5 % ... 95 % | Standards/specifications | IEC 61643-11 |
Note | 2011 | Standards/specifications | EN 61643-11 |
Note | 2012 | Mounting type | DIN rail: 35 mm |
Specifications may be subject to change without notice