Surge protection device - TTC-3-2X1-24DC-PT
2907326

Surge protection for two signal wires with common reference potential, e.g., Digital IN/OUT.


Product Details




IEC test classification C1
C2
C3
D1
Type DIN rail module, one-piece 
Product type Surge protection for MCR technology
Insulation characteristics
Overvoltage category III
Pollution degree 2

Connection method Push-in connection
Conductor cross section, flexible, with ferrule, with plastic sleeve 0.2 mm² ... 1 mm²
Conductor cross section flexible, with ferrule without plastic sleeve 0.2 mm² ... 1.5 mm²
Conductor cross section flexible 0.2 mm² ... 1.5 mm²
Conductor cross section solid 0.2 mm² ... 1.5 mm²
Conductor cross section AWG 24 ... 16

Dimensional drawing
Width 3.5 mm
Height 106 mm
Depth 69.5 mm (incl. DIN rail 7.5 mm)

Color traffic grey A RAL 7042
Flammability rating according to UL 94 V-0
Insulating material PBT
Housing material PBT

Mechanical data
Open side panel Yes

Direction of action Line-Line & Line-Signal Ground/Shield & optional Signal Ground/Shield-Earth Ground
Maximum continuous voltage UC 30 V DC
21 V AC
Rated current 250 mA (70 °C)
Operating effective current IC at UC ≤ 1 µA
Residual current IPE ≤ 2 µA
Nominal discharge surge current In (8/20) µs (Core-Earth) 5 kA
Pulse discharge current Iimp (10/350) µs (line-earth) 0.5 kA
Total discharge current Itotal (8/20) µs 10 kA
Voltage protection level Up (line-earth) ≤ 50 V (C1 - 500 V / 250 A)
≤ 100 V (C2 - 10 kV / 5 kA)
≤ 50 V (C3 - 30 A)
Response time tA (line-earth) ≤ 1 ns
Input attenuation aE, asym. typ. 0.3 dB (≤ 600 kHz / 150 Ω)
Cut-off frequency fg (3 dB), asym. (signal ground) in 150 Ω system typ. 2.4 MHz
Capacity (Core-Earth) typ. 1 nF
Resistance per path 2.2 Ω ±10 %
Surge protection fault message none
Max. required back-up fuse 250 mA (FF)
Impulse durability (line-earth) C1 - 500 V / 250 A
C2 - 10 kV / 5 kA
C3 - 30 A
D1 - 500 A
Pulse reset time (line-earth) ≤ 30 ms

Ambient conditions
Degree of protection IP20 (with end cover)
Ambient temperature (operation) -40 °C ... 85 °C
Ambient temperature (storage/transport) -40 °C ... 85 °C
Altitude ≤ 4000 m (amsl (above mean sea level))
Permissible humidity (operation) 5 % ... 95 %

Standards/specifications IEC 61643-21
EN 61643-21
Standards/specifications EN 61643-21

Mounting type DIN rail: TH 35 - 7.5 mm

Item number 2907326
Packing unit 1 pc
Minimum order quantity 1 pc
Note Made to Order (non-returnable)
Sales Key C07
Product Key CL2266
Catalog Page Page 131 (C-4-2019)
GTIN 4055626199924
Weight per Piece (including packing) 24.3 g
Weight per Piece (excluding packing) 24.2 g
Customs tariff number 85363010
Country of origin DE


ECLASS

ECLASS-9.0 27130807
ECLASS-10.0.1 27130807
ECLASS-11.0 27130807

ETIM

ETIM 8.0 EC000943

UNSPSC

UNSPSC 21.0 39121600

CSA

Approval ID: 70136717

DNV GL

Approval ID: TAE000027G
Approval Specification Data
Nominal Voltage UN Nominal Current IN Cross Section AWG Cross Section mm2

UL Listed

Approval ID: FILE E 138168

CSAus

Approval ID: 70136717

cCSAus


REACh SVHC Lead 7439-92-1
China RoHS Environmentally Friendly Use Period = 50 years
For information on hazardous substances, refer to the manufacturer’s declaration available under “Downloads”

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Your advantages

Extremely space-saving installation with the narrowest overall width of just 3.5˽mm
Cost-optimized with tailored product features
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