Surge protection device - LIT 2X2-24
2804623

Surge protection in a one-piece 6.2 mm wide DIN rail module for two floating signal circuits in 2-conductor technology. Tested in accordance with the following types of protection in Ex areas: Ex ia IIC / Ex iaD. HART-compatible.


Product Details




IEC test classification C1
C2
C3
D1
Type DIN rail module, one-piece 
Product type Surge protection for MCR technology
Surge protection fault message none
Wire pairs per module 2
Insulation characteristics
Overvoltage category III
Pollution degree 2

Connection method Screw connection
Screw thread M3
Tightening torque 0.8 Nm
Conductor cross section flexible 0.2 mm² ... 2.5 mm²
Conductor cross section solid 0.2 mm² ... 2.5 mm²
Conductor cross section AWG 24 ... 14

Maximum inner capacitance Ci typ. 1.3 nF
Max. internal inductance Li < 1 µH
Max. input current Ii 350 mA (T4 / ≤ 80°C)
200 mA (T5 / ≤ 50 °C)
150 mA (T6 / ≤ 40 °C)
Max. input voltage Ui 36 V DC
max. input power Pi 3 W
Maximum inner time factor (Ri/Li) 0.2 µs

Dimensional drawing
Width 6.2 mm
Width 6.2 mm
Height 93.1 mm
Height 93.1 mm
Depth 102.5 mm (incl. DIN rail 7.5 mm)
Depth 102.5 mm

Color anthracite grey RAL 7016
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-Earth Ground
Maximum continuous voltage UC 36 V DC
25 V AC
Rated current 350 mA (40 °C)
Operating effective current IC at UC ≤ 2 µA
Residual current IPE ≤ 4 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-earth) 500 A
2 kA (in total)
Total discharge current Itotal (8/20) µs 20 kA
Max. discharge current Imax (8/20) µs maximum (line-line) 10 kA
Max. discharge current Imax (8/20) µs maximum (line-earth) 10 kA
20 kA (in total)
Nominal pulse current Ian (10/1000) µs (line-line) 50 A
Nominal pulse current Ian (10/1000) µs (line-earth) 50 A
200 A (in total)
Output voltage limitation at 1 kV/µs (line-line) spike ≤ 60 V
Output voltage limitation at 1 kV/µs (line-earth) spike ≤ 650 V
Residual voltage at In (conductor-conductor) ≤ 70 V
Residual voltage with Ian (10/1000) µs (line-line) ≤ 50 V
Voltage protection level Up (line-line) ≤ 70 V (C2 - 10 kV / 5 kA)
≤ 50 V (C3 - 10 A)
≤ 55 V (C3 - 50 A)
≤ 80 V (D1 - 500 A)
Voltage protection level Up (line-earth) ≤ 650 V (C1 - 500 V / 250 A)
≤ 700 V (C2 - 10 kV / 5 kA)
≤ 650 V (C3 - 10 A)
≤ 700 V (C3 - 50 A)
≤ 700 V (D1 - 500 A)
Response time tA (line-line) ≤ 1 ns
Response time tA (line-earth) ≤ 100 ns
Input attenuation aE, sym. typ. 0.7 dB (1 MHz / 50 Ω)
typ. 0.3 dB (350 kHz / 150 Ω)
Cut-off frequency fg (3 dB), sym. in 50 Ω system typ. 6 MHz
Cut-off frequency fg (3 dB), sym. in 150 Ω system typ. 2 MHz
Capacity ≤ 1.3 nF (per channel)
Resistance per path 3.3 Ω ±20 %
Surge protection fault message none
Max. required back-up fuse 315 mA (T)
Impulse durability (line-line) C2 - 10 kV / 5 kA
C3 - 50 A
D1 - 500 A
Impulse durability (line-earth) C1 - 500 V / 250 A
C2 - 10 kV / 5 kA
C3 - 50 A
D1 - 500 A
Alternating current carrying capacity (line-earth) 5 A - 1 s

Ambient conditions
Degree of protection IP20
Ambient temperature (operation) -40 °C ... 80 °C
Ambient temperature (storage/transport) -40 °C ... 80 °C
Altitude ≤ 2000 m (amsl (above mean sea level))

Conformity/Approvals
ATEX  II 1 G Ex ia IIC T4...T6
 II 1 D Ex iaD 20 T85°C...135°C
IECEx Ga Ex ia IIC T4...T6
Ex iaD 20 T85 °C...T135 °C

Standards/specifications EN 61643-21
Standards/specifications EN 60079-0
Standards/specifications EN 60079-11
Standards/specifications EN 60079-26
Standards/specifications IEC 60079-0
Standards/specifications IEC 60079-11
Standards/specifications IEC 60079-26

Mounting type DIN rail: 35 mm

Item number 2804623
Packing unit 1 pc
Minimum order quantity 1 pc
Sales Key C07
Product Key CL2211
Catalog Page Page 124 (C-4-2019)
GTIN 4046356428309
Weight per Piece (including packing) 76 g
Weight per Piece (excluding packing) 63 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

EAC

Approval ID: EAC-Zulassung

DNV GL

Approval ID: TAE00001N8
Approval Specification Data
Nominal Voltage UN Nominal Current IN Cross Section AWG Cross Section mm2

EAC

Approval ID: RU C-DE.*09.B.00169

UL Listed

Approval ID: FILE E 138168

ATEX

Approval ID: KEMA 09ATEX0051 X

EAC Ex

Approval ID: RU C-DE.**87.B.00420

IECEx

Approval ID: IECEx KEM 09.0018X

CCC

Approval ID: 2020322316000816

NEPSI

Approval ID: GYJ20.1176X

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
Universal use with extended nominal voltage range