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Description

Modular terminal block with two-stage surge protection for a floating Ex-i signal circuit, disconnect knife on both signal paths, separate PE connection, nominal voltage: 24 V DC
Country of Origin
DE
Part Number
2803865
Tariff Code
85363010
EAN
4046356310550
UPC
4046356310550
ETIM
Group Code : EG000021
Group Description : Earthing, lightning and surge protection
Class Description : Surge protection device for data networks/MCR-technology
Class Code : EC000943
Version : 7
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Dimensions

Height
94.8 mm
Width
6.2 mm
Depth
69.1 mm

Connection data

Connection method
Screw connection
Connection method IN
Screw terminal blocks
Connection method OUT
Screw terminal blocks
Screw thread
M3
Tightening torque
0.6 Nm
Stripping length
8 mm
Conductor cross section flexible
0.2 mm² - 2.5 mm²
Conductor cross section solid
0.2 mm² - 4 mm²
Conductor cross section AWG
24 - 14

Ambient conditions

Ambient temperature (operation)
-40 °C - 80 °C
Altitude
≤ 2000 m (amsl (above mean sea level))
Degree of protection
IP20 (with end cover)

Environmental Product Compliance

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'

Protective circuit

IEC test classification
C1
IEC test classification
C2
IEC test classification
C3
IEC test classification
D1
Nominal voltage UN
24 V DC
Maximum continuous voltage UC
30 V DC
Maximum continuous voltage UC
21 V AC
Rated current
250 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 current In (8/20) µs (line-earth)
5 kA
Pulse discharge current Iimp (10/350) µs (line-earth)
500 A
Total discharge current Itotal (8/20) µs
10 kA
Nominal pulse current Ian (10/1000) µs (line-line)
100 A
Nominal pulse current Ian (10/1000) µs (line-earth)
100 A
Output voltage limitation at 1 kV/µs (line-line) spike
≤ 44 V
Output voltage limitation at 1 kV/µs (line-earth) spike
≤ 1.5 kV
Output voltage limitation at 1 kV/µs (line-line) static
≤ 44 V
Output voltage limitation at 1 kV/µs (line-earth) static
≤ 1.5 kV
Residual voltage at In (line-line)
≤ 40 V
Residual voltage at In (line-earth)
≤ 110 V
Voltage protection level Up (line-line)
≤ 70 V (C2 - 10 kV / 5 kA)
Voltage protection level Up (line-earth)
≤ 1.5 kV (C2 - 10 kV / 5 kA)
Response time tA (line-line)
≤ 1 ns
Response time tA (line-earth)
≤ 100 ns
Input attenuation aE, sym.
typ. 1 dB (≤ 1 MHz / 50 Ω)
Input attenuation aE, sym.
typ. 0.3 dB (≤ 200 kHz / 150 Ω)
Cut-off frequency fg (3 dB), sym. in 50 Ohm system
typ. 6 MHz
Cut-off frequency fg (3 dB), sym. in 150 Ohm system
typ. 2 MHz
Resistance per path
4.7 Ω ±20 %
Surge protection fault message
none
Max. required back-up fuse
250 mA
Impulse durability (line-line)
C2 - 10 kV / 5 kA
Impulse durability (line-earth)
C2 - 10 kV / 5 kA
Impulse durability (line-earth)
D1 - 500 A

Conformity / approvals

ATEX
II 1G Ex ia IIC T4...T6 Ga
ATEX
II 1D Ex ia IIIC T135°C...T85°C Da
IECEx
Ex ia IIC T4...T6 Ga
IECEx
Ex ia IIIC T135 °C...T85 °C Da

Standards and Regulations

Standards/specifications
EN 61643-21 2001 + A1:2009 + A2:2013
Standards/specifications
EN 60079-0 2012
Standards/specifications
EN 60079-11 2012
Standards/specifications
EN 60079-26 2007
Standards/specifications
IEC 60079-0 2011
Standards/specifications
IEC 60079-11 2011
Standards/specifications
IEC 60079-26 2006

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