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2858933

Phoenix ContactOfficial Distributor

By Phoenix Contact

SKU
PHX2858933
MPN
TT-ST-M-2/2-24AC
Weight
0.031 kg
This product is Not Cancellable/Not Returnable
Series TT-ST-M

TT-ST-M-2/2-24AC - Surge protection device

TERMITRAB, spring-cage modular terminal block with integrated surge protection and disconnect knives, for assembly on NS 35/7.5, voltage UN 24 V DC, terminal width: 6.2 mm, cover width: 2.2 mm

Technical Specifications

Product properties

IEC test classificationC1
IEC test classificationC2
IEC test classificationC3
IEC test classificationD1
VDE requirement classC1
VDE requirement classC2
VDE requirement classC3
VDE requirement classD1
TypeDouble-level terminal block with disconnect knife
Number of Positions2
Surge protection fault messagenone

Insulation characteristics

Overvoltage categoryIII
Pollution degree2

Electrical properties

Nominal voltage UN24 V AC

Connection data

Connection MethodSpring-cage connection
Conductor cross section flexible0.2 mm² ... 2.5 mm²
Conductor cross section rigid0.2 mm² ... 4 mm²
Conductor cross section AWG24 ... 14

Dimensions

Width6.2 mm
Height100 mm
Depth65.1 mm (incl. DIN rail 7.5 mm)

Material specifications

Flammability rating according to UL 94V-2
Housing MaterialPA 6.6

Mechanical data

Open side panelYes

Protective circuit

Direction of actionLine-Earth Ground
Maximum continuous voltage UC45 V DC
Maximum continuous voltage UC31 V AC
Rated current300 mA (45 °C)
Operating effective current IC at UC≤ 10 µA (per path)
Residual current IPE≤ 20 µA
Nominal discharge current In (8/20) µs (line-ground)5 kA
Pulse discharge current Iimp (10/350) µs1 kA (per path)
Total discharge current Itotal (8/20) µs10 kA
Total discharge current Itotal (10/350) µs2 kA
Max. discharge current Imax (8/20) µs maximum (line-earth)5 kA
Nominal pulse current Ian (10/1000) µs (line-earth)100 A
Nominal pulse current Ian (10/1000) µs (line-earth)200 A (in total)
Output voltage limitation at 1 kV/µs (line-earth) spike≤ 55 V
Output voltage limitation at 1 kV/µs (line-earth) static≤ 55 V
Residual voltage at In (conductor-ground)≤ 55 V
Residual voltage with Ian (10/1000) µs (line-earth)≤ 70 V
Voltage protection level Up (line-earth)≤ 80 V (C2 - 10 kV / 5 kA)
Voltage protection level Up (line-earth)≤ 40 V (static)
Response time tA (line-earth)≤ 1 ns
Input attenuation aE, asym.typ. 0.6 dB (500 kHz/50 Ω)
Input attenuation aE, asym.typ. 0.1 dB (180 kHz/150 Ω system)
Input attenuation aE, asym.typ. 0.1 dB (45 kHz/600 Ω system)
Cut-off frequency fg (3 dB), asym. (PE) in 50 Ω systemtyp. 3.5 MHz
Cut-off frequency fg (3 dB), asym. (PE) in 150 Ω systemtyp. 1.1 MHz
Cut-off frequency fg (3 dB), asym. (PE) in 600 Ω systemtyp. 280 kHz
Capacity (core-earth)2 nF
Resistance per path9.4 Ω ±10 %
Surge protection fault messagenone
Max. required back-up fuse315 mA
Impulse durability (line-earth)C2 - 10 kV / 5 kA
Impulse durability (line-earth)D1 - 1 kA
Impulse durability (line-earth)C3 - 100 A

Ambient conditions

Degree of ProtectionIP20
Ambient Temperature (Operation)-40 °C ... 85 °C
Altitudemax. 2000 m

Standards and Regulations

VDE requirement classC1
VDE requirement classC2
VDE requirement classC3
VDE requirement classD1

Air clearances and creepage distances

Standards/regulationsEN 60664-1 / IEC 60664-1
Standards/specificationsIEC 61643-21/A1
Note2008
Standards/specificationsEN 61643-21/A1
Note2009

Mounting

Mounting TypeDIN rail: 35 mm
Accessories

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Additional Information
Pack Size10
Recommended
Sold in quantities of 10

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