Surge protection device - TTC-6-1X2-24DC-UT
2906798

Surge protection for a 2-wire floating signal circuit, e.g., 0(4) ... 20 mA current loop, HART-compatible.


Product Details




IEC test classification C1
C2
C3
D1
Type DIN rail module, one-piece 
Product type Surge protection for MCR technology
Wire pairs per module 1
Insulation characteristics
Overvoltage category III
Pollution degree 2

Connection method Screw connection
Screw thread M3
Tightening torque 0.5 Nm ... 0.6 Nm
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 6.2 mm +0.1 mm
Height 105.8 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 No

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 600 mA (40 °C)
Operating effective current IC at UC ≤ 5 µA
Residual current IPE ≤ 1 µA
Nominal discharge current In (8/20) µs (line-line) 5 kA
Nominal discharge surge current In (8/20) µs (Core-Earth) 5 kA
Pulse discharge current Iimp (10/350) µs (line-line) 0.5 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-line) ≤ 55 V (C1 - 1 kV / 500 A)
≤ 65 V (C2 - 10 kV / 5 kA)
≤ 50 V (C3 - 25 A)
≤ 55 V (C3 - 100 A)
Voltage protection level Up (line-earth) ≤ 750 V (C1 - 1 kV / 500 A)
≤ 750 V (C2 - 10 kV / 5 kA)
≤ 700 V (C3 - 25 A)
≤ 750 V (C3 - 100 A)
Voltage protection level Up static (line-line) ≤ 50 V (C1 - 1 kV / 500 A)
≤ 65 V (C2 - 10 kV / 5 kA)
Voltage protection level Up static (line-earth) ≤ 750 V (C1 - 1 kV / 500 A)
≤ 750 V (C2 - 10 kV / 5 kA)
Response time tA (line-line) ≤ 1 ns
Response time tA (line-earth) ≤ 100 ns
Input attenuation aE, sym. typ. 0.3 dB (≤ 250 kHz / 150 Ω)
typ. 0.3 dB (≤ 370 kHz / 100 Ω)
Cut-off frequency fg (3 dB), sym. in 100 Ω system typ. 1310 kHz
Cut-off frequency fg (3 dB), sym. in 150 Ω system typ. 940 kHz
Capacity (Core-Core) typ. 2.2 nF
Resistance per path 1.65 Ω ±20 %
Surge protection fault message none
Max. required back-up fuse 630 mA (FF)
Impulse durability (line-line) C1 - 1 kV / 500 A
C2 - 10 kV / 5 kA
C3 - 100 A
Impulse durability (line-earth) C1 - 1 kV / 500 A
C2 - 10 kV / 5 kA
C3 - 100 A
D1 - 500 A
Pulse reset time (line-line) ≤ 700 ms
Pulse reset time (line-earth) ≤ 1500 ms
Additional technical data
Max. total discharge current I total max (8/20) µs 20 kA (1x)

Ambient conditions
Degree of protection IP20
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 %

Conformity/Approvals
UL, USA / Canada Class I, Div. 2, Groups A, B, C, D T4

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

Mounting type DIN rail: TH 35 - 7.5 mm

Item number 2906798
Packing unit 1 pc
Minimum order quantity 1 pc
Note Made to Order (non-returnable)
Sales Key C07
Product Key CL2261
Catalog Page Page 118 (C-4-2019)
GTIN 4055626135533
Weight per Piece (including packing) 38.6 g
Weight per Piece (excluding packing) 38.6 g
Customs tariff number 85363010
Country of origin US


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

cUL Listed

Approval ID: FILE E 333250

UL Listed

Approval ID: FILE E 333250

cCSAus

cULus Listed


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”

Your advantages

Space saving with a narrow overall width of just 6˽mm
Cost-optimized with tailored product features
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