Product Model

FLT 35/3+1

In Stock
Last updated: 2025/4/18
Phoenix Contact FLT 35/3+1

Selling Points

  • 1Advanced Surge Protection: The FLT 35/3+1 offers robust surge protection for 3+1 circuits, ensuring your electrical systems are safeguarded against lightning and power surges.
  • 2Encapsulated Arc Chopping Spark Gap: Equipped with an encapsulated arc chopping spark gap, this arrester provides efficient and reliable protection against electrical discharges.
  • 3DIN Rail Mountable: Designed for easy installation, the FLT 35/3+1 can be mounted directly onto a DIN rail, making it a convenient solution for industrial settings.
  • 4High Discharge Current Capacity: With a nominal discharge current of up to 100 kA, this arrester can handle high-energy discharges effectively, ensuring continuous system operation.
  • 5Compliance with IEC Standards: Meets IEC test classification I T1 and EN type T1 standards, ensuring compliance with international safety regulations for electrical protection devices.
Product Details
FLT 35/3+1
Phoenix Contact

Technical Specifications

Detailed engineering parameters based on manufacturer documentation

ParameterValueParameterValue
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
4
Surge protection fault message
none
Overvoltage category
III
Pollution degree
2
Nominal frequency f
50 Hz 60 Hz
Nominal voltage U
230 V AC (400 V AC)
Connection method
Screw connection
Screw thread
M5
Tightening torque, min
4.5 Nm
Stripping length
14.5 mm
Conductor cross section flexible min.
0.5 mm²
Conductor cross section flexible max.
25 mm²
Conductor cross section, rigid min.
0.5 mm²
Conductor cross section, rigid max.
35 mm²
Width
70.4 mm
Height
95 mm
Depth
65.7 mm
Horizontal pitch
4 Div.
Flammability rating according to UL 94
V0
Housing material
PA-GF
Open side panel
No
Direction of action
3L-N & N-PE
Nominal frequency f
50 Hz 60 Hz
Maximum continuous operating voltage U
350 V AC
Maximum continuous operating voltage U
260 V AC
Residual current I
≤ 0.1 mA
Standby power consumption P
≤ 26 mVA
Nominal discharge current I
35 kA
Nominal discharge current I
50 kA
Maximum discharge current I
35 kA
Maximum discharge current I
50 kA
Impulse discharge current (10/350) µs, charge
17.5 As
Impulse discharge current (10/350) µs, specific energy
306 kJ/Ω (L-N)
Impulse discharge current (10/350) µs, peak value l
35 kA (L-N)
Follow current quenching capacity I
1.5 kA
Follow current interrupt rating I
500 A
Voltage protection level U
≤ 5 kV
Voltage protection level U
≤ 5 kV
Response time t
≤ 100 ns
Response time t
≤ 100 ns
Response time t
≤ 100 ns
Max. backup fuse with branch wiring
400 A (gL)
Degree of protection
IP20
Ambient temperature (operation)
-40 °C ... 85 °C
Permissible humidity (operation)
≤ 95 %
Standards/regulations
EN 60664-1 / EN 61643-11
Standards/regulations
IEC 61643-1 DIN EN 61643-11 DIN EN 61643-11/A11
Standards/specifications
IEC 61643-1
Note
2005
Standards/specifications
DIN EN 61643-11
Note
2002
Standards/specifications
DIN EN 61643-11/A11
Note
2007
Mounting type
DIN rail: 35 mm

Specifications may be subject to change without notice