Surge protection for measurement and control technology - 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 
Surge protection fault message none
Wire pairs per module 2
Insulation characteristics
Overvoltage category III
Pollution degree 2

Mounting type DIN rail: 35 mm

Color anthracite grey RAL 7016
Flammability rating according to UL 94 V-0
Insulating material PBT
Housing material PBT

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

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

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)
Alternating current carrying capacity (line-earth) 5 A - 1 s

Mechanical data
Open side panel No

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

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

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

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))


Order Key 2804623
Packing unit 10 pc
Minimum order quantity 1 pc
Sales Key 073
Catalog Page Page 124 (C-4-2019)
GTIN 4046356428309
Weight per Piece (including packing) 76,0 GRM
Weight per Piece (excluding packing) 63,0 GRM
Customs tariff number 85363010
Country of origin DE



DNV GL

UL Listed

EAC

EAC

IECEx

EAC Ex

ATEX

CCC

NEPSI


REACh SVHC Lead 7439-92-1
China RoHS Environmentally Friendly Use Period = 50 years
China RoHS For details about hazardous substances go to tab “Downloads”, Category “Manufacturer's declaration”


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