TT-UKK5-D/ 24DC 2788090 PHOENIX CONTACT Surge protection device View larger
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TT-UKK5-D/ 24DC 2788090 PHOENIX CONTACT Surge protection device

TT-UKK5-D/ 24DC

2788090

PHOENIX_CONTACT

Surge protection device

Double-level modular terminal block with suppressor diode as surge protection between both levels, nominal voltage: 24 V DC, for mounting on NS 32 or NS 35/7.5, closed housing, terminal width: 6.2 mm, terminal height: 68 mm

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Trabtech (TT)

Brand new product in its original packaging covered by the warranties and certifications provided by PHOENIX_CONTACT

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Technical data

Product properties
Product typeSurge protection for MCR technology
IEC test classificationC3
VDE requirement classC3
TypeDouble-level terminal block
Surge protection fault messagenone
Wire pairs per module1

Electrical properties
Nominal voltage UN24 V DC

Connection data
Connection methodScrew connection
Screw threadM3
Tightening torque0.8 Nm
Conductor cross section flexible0.2 mm² ... 4 mm²
Conductor cross section rigid0.2 mm² ... 4 mm²
Conductor cross section AWG24 ... 12

Dimensions
Width6.2 mm
Height68 mm
Length80 mm

Material specifications
Flammability rating according to UL 94V-2
Housing materialPA

Mechanical properties
Mechanical data
Open side panelNo

Protective circuit
Direction of actionLine-Line
Maximum continuous voltage UC28 V DC
20 V AC
Rated current16 A
Operating effective current ICat UC≤ 5 µA
Nominal discharge current In(8/20) µs (line-line)169 A
Total discharge current Itotal(8/20) µs169 A
Max. discharge current Imax(8/20) µs maximum (line-line)169 A
Nominal pulse current Ian (10/1000) µs (line-line)33 A
Output voltage limitation at 1 kV/µs (line-line) static≤ 40 V
Residual voltage at In(conductor-conductor)≤ 55 V
Response time tA(line-line)≤ 1 ns
Cut-off frequency fg (3 dB), sym. in 150 Ω systemtyp. 1.2 MHz
Capacity (Core-Core)≤ 1.6 nF (typical)
Surge protection fault messagenone
Impulse durability (line-line)C3 - 25 A

Environmental and real-life conditions
Ambient conditions
Degree of protectionIP20
Ambient temperature (operation)-40 °C ... 85 °C

Standards and regulations
VDE requirement classC3
Air clearances and creepage distances
Standards/regulationsVDE 0110-1
Standards Information technology specification
Standards/regulationsIEC 61643-21
IEC 61643-21

Mounting
Mounting typeDIN rail: 35 mm

Datasheet - PDF

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