https://www.phoenixcontact.com/us/products/2749398
Surge protection device - MT-RS485-TTL - 2749398
Please be informed that the data shown in this PDF Document is generated from our Online Catalog. Please find the complete data in the user's
documentation. Our General Terms of Use for Downloads are valid
(http://phoenixcontact.com/download)
Rail-mountable module with surge voltage coarse and fine protection for RS-485 interface, with TTL level, for
mounting on NS 35/7.5, housing width: 50 mm
The illustration shows version MT-
RS485/S
Key Commercial Data
Packing unit
Weight per Piece (excluding packing)
Custom tariff number
Country of origin
1 pc
118.19 g
85363010
Germany
Technical data
Dimensions
Height
Width
Depth
77.5 mm
47.6 mm
54.9 mm
Ambient conditions
Ambient temperature (operation)
Degree of protection
-40 °C ... 80 °C
IP20
General
Color
Mounting type
Type
Direction of action
black
DIN rail: 35 mm
Rail-mountable module, one-piece
Line-Line & Line-Signal Ground/Shield & Signal Ground/Shield-Earth
Ground
Protective circuit
04/18/2016 Page 1 / 6
https://www.phoenixcontact.com/us/products/2749398
Surge protection device - MT-RS485-TTL - 2749398
Technical data
Protective circuit
IEC test classification
C2
C3
D1
VDE requirement class
C2
C3
D1
Nominal voltage U
N
Maximum continuous voltage U
C
(wire-ground)
Nominal current I
N
Operating effective current I
C
at U
C
Nominal discharge current I
n
(8/20) µs (Core-Core)
Nominal discharge current I
n
(8/20) µs (Core-Earth)
Max. discharge current I
max
(8/20) µs maximum (Core-Core)
Max. discharge current I
max
(8/20) µs maximum (Core-Earth)
Max. discharge current I
max
(8/20) µs maximum (Core-GND)
Output voltage limitation at 1 kV/µs (Core-Core) spike
Output voltage limitation at 1 kV/µs (Core-Earth) spike
Output voltage limitation at 1 kV/µs (Core-Core) static
Output voltage limitation at 1 kV/µs (Core-Earth) static
Output voltage limitation at 1 kV/µs (Core-GND) static
Residual voltage at I
n
(conductor-conductor)
Residual voltage at I
n
(conductor-GND)
Voltage protection level U
p
(core-core)
Voltage protection level U
p
(core-ground)
Voltage protection level U
p
(core-GND)
Response time tA (Core-Core)
Response time tA (Core-Earth)
Input attenuation aE, sym.
Input attenuation aE, asym.
Cut-off frequency fg (3 dB), asym. (GND) in 50 Ohm system
Cut-off frequency fg (3 dB), asym. (GND) in 150 Ohm system
Cut-off frequency fg (3 dB), asym. (GND) in 600 Ohm system
Resistance in series
5 V DC
5.8 V DC
450 mA (25 °C)
≤ 2 mA
10 kA
10 kA
10 kA
10 kA
10 kA
≤9V
≤ 450 V
≤9V
≤ 450 V
≤9V
≤9V
≤9V
≤9V
≤ 450 V
≤9V
1 ns
≤ 1 ns
≤ 100 ns
typ. 0.1 dB (up to 40 kHz 150 Ω system)
typ. 0.1 dB (Up to 10 kHz)
0.5 dB (up to 0.1 MHz 50 Ω system)
0.1 dB (up to 10 kHz 600 Ω system)
600 kHz
200 kHz
50 kHz
4.4 Ω
04/18/2016 Page 2 / 6
https://www.phoenixcontact.com/us/products/2749398
Surge protection device - MT-RS485-TTL - 2749398
Technical data
Connection data
Connection method
Connection type IN
Connection type OUT
Screw thread
Stripping length
Conductor cross section flexible
Conductor cross section solid
Conductor cross section AWG
Screw connection
Screw terminal blocks
Screw terminal blocks
M3
8 mm
0.2 mm² ... 2.5 mm²
0.2 mm² ... 4 mm²
24 ... 12
Standards and Regulations
Standards/regulations
Draft IEC 64644-1
E VDE 0845-3-1
Classifications
eCl@ss
eCl@ss 4.0
eCl@ss 4.1
eCl@ss 5.0
eCl@ss 5.1
eCl@ss 6.0
eCl@ss 7.0
eCl@ss 8.0
eCl@ss 9.0
27140201
27130801
27130801
27130801
27130807
27130807
27130807
27130807
ETIM
ETIM 2.0
ETIM 3.0
ETIM 4.0
ETIM 5.0
EC000943
EC000943
EC000943
EC000943
UNSPSC
UNSPSC 6.01
UNSPSC 7.0901
UNSPSC 11
UNSPSC 12.01
UNSPSC 13.2
30212010
39121610
39121610
39121610
39121620
04/18/2016 Page 3 / 6
https://www.phoenixcontact.com/us/products/2749398
Surge protection device - MT-RS485-TTL - 2749398
Approvals
Approvals
Approvals
EAC / EAC
Ex Approvals
Approvals submitted
Approval details
EAC
EAC
Accessories
Additional products
Shield connection - SSA 3-6 - 2839295
shield fast connections for conductor diameter 3 - 6 mm. Potential connection cable: 200 mm, black
Shield connection - SSA 5-10 - 2839512
Shield fast connection for conductor diameters 5 - 10 mm. Potential connection cable: 200 mm, black
Drawings
04/18/2016 Page 4 / 6
https://www.phoenixcontact.com/us/products/2749398
Surge protection device - MT-RS485-TTL - 2749398
Dimensional drawing
75
3
8
2
7
Circuit diagram
3
8
2
7
IN
4
9
4
9
OUT
63
48
04/18/2016 Page 5 / 6