Type 3 surge protection device - PLT-SEC-T3-24-FM-PT

Type 3 surge protection, consisting of protective plug and base element, with integrated status indicator and remote signaling for single-phase power supply networks. Nominal voltage: 24 V AC/DC

Product Details

IEC power supply system TN-S
Type DIN rail module, two-section, divisible
Product type Device protection
Number of positions 2
Surge protection fault message Optical, remote indicator contact
Insulation characteristics
Overvoltage category III
Pollution degree 2
IEC test classification III
EN type T3
Number of ports One

Connection name Remote fault indicator contact
Switching function Changeover contact
Operating voltage 250 V AC
125 V DC (200 mA DC)
Operating current 0.5 A AC
0.5 A DC (75 V DC)

Connection method Push-in connection
Conductor cross section flexible 0.2 mm² ... 2.5 mm²
Conductor cross section solid 0.2 mm² ... 4 mm²
Conductor cross section AWG 24 ... 12

Dimensional drawing
Width 17.7 mm
Width 17.7 mm
Height 101 mm
Height 101 mm
Depth 74.5 mm (incl. DIN rail 7.5 mm)
Depth 74.5 mm
Horizontal pitch 1 Div.

Color light grey RAL 7035
traffic grey A RAL 7042
Flammability rating according to UL 94 V-0
CTI value of material 600
Insulating material PA 6.6-FR 20 % GF
PA 6.6-FR
Housing material PA 6.6-FR 20 % GF
PA 6.6-FR

Mode of protection L-N
Direction of action 1L-N & N-PE
Nominal voltage UN 24 V AC (TN-S)
Nominal frequency fN 50 Hz (60 Hz)
Maximum continuous voltage UC 34 V AC
Rated load current IL 26 A (at 30 °C)
Residual current IPE ≤ 5 µA
Standby power consumption PC ≤ 2.7 mVA (at UREF)
≤ 4.8 mVA (at UC)
Reference test voltage UREF 27 V AC
Nominal discharge current In (8/20) µs 1 kA
Combination wave UOC 2 kV
Voltage protection level Up (L-N) ≤ 0.2 kV
Voltage protection level Up (L-PE) ≤ 0.6 kV
Voltage protection level Up (N-PE) ≤ 0.6 kV
TOV behavior at UT (L-N) 50 V AC (120 min / withstand mode)
TOV behavior at UT (L-PE) 50 V AC (120 min / withstand mode)
Response time tA (L-N) ≤ 25 ns
Response time tA (L-PE) ≤ 100 ns
Response time tA (N-PE) ≤ 100 ns
Short-circuit current rating ISCCR 10 kA AC
Max. backup fuse with branch wiring 32 A (gG / B / C)
Additional technical data
Short-circuit current rating ISCCR 0.25 kA DC (Without additional backup fuse in the DC branch wiring)
5 kA DC (for 20 A gG / B backup fuse)
Maximum discharge current Imax (8/20) µs 4 kA
Nominal discharge current In (8/20) µs 3 kA
Residual voltage Ures (L-N) ≤ 0.16 kV (at 0.5 kA)
≤ 0.2 kV (at 1 kA)
Residual voltage Ures (L-PE) ≤ 0.35 kV (at 0.5 kA)
≤ 0.4 kV (at 1 kA)
Residual voltage Ures (N-PE) ≤ 0.35 kV (at 0.5 kA)
≤ 0.4 kV (at 1 kA)
Maximum continuous voltage UC 44 V DC
Mode of protection (DC+) - (DC-)
(DC+/DC-) - PE

Ambient conditions
Degree of protection IP20
Ambient temperature (operation) -40 °C ... 80 °C
Ambient temperature (storage/transport) -40 °C ... 80 °C
Altitude ≤ 2000 m (operating voltage remote contact ≤ 250 V)
≤ 6000 m (operating voltage remote contact ≤ 150 V)
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
Standards/specifications EN 61643-11

Mounting type DIN rail: 35 mm

Item number 2907925
Packing unit 5 pc
Minimum order quantity 1 pc
Sales Key CL14A3
Product Key CL14A3
Catalog Page Page 82 (C-4-2019)
GTIN 4055626257495
Weight per Piece (including packing) 91.22 g
Weight per Piece (excluding packing) 77.16 g
Country of origin DE


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China RoHS Environmentally friendly use period: unlimited = EFUP-e
No hazardous substances above threshold values

Your advantages

Surge protection family for universal use with optimum energy coordination from the lightning current arrester to the device protection
Easy to maintain due to consistently pluggable protection modules
Excellent level of information provided by mechanical/visual status indicator and remote indication contact
Your preferred connection technology can be selected as both screw connection and Push-in connection are available
Optimal additional protection of the industrial power supply for a longer service life and increased availability of the system