2859424

https://www.phoenixcontact.com/us/products/2859424
10/21/2014Page1/6
Surge protection device-TT-ST-M-EX(I)-24DC-2859424
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Spring-cage modular terminal block with integrated three-stage surge protection for a floating Ex-i signal circuit,
separate PE connection, nominal voltage: 24 V DC, for mounting on NS 35
Product Features
Disconnection of signal circuits by disconnect knife
Conductors can be led up to Ex protection zone 0
Can be used in Ex protection zones 1 and 2
Multi-stage modular terminal blocks with spring-cage connection
Key commercial data
Packing unit 1 pc
Weight per Piece (excluding packing) 28.48 GRM
Custom tariff number 85363030
Country of origin Germany
Technical data
Dimensions
Height 100 mm
Width 6.2 mm
Depth 63.5 mm
Ambient conditions
Ambient temperature (operation) -40 °C ... 80 °C
Ambient temperature (storage/transport) -40 °C ... 80 °C
Degree of protection IP20
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Surge protection device-TT-ST-M-EX(I)-24DC-2859424
Technical data
General
Housing material PA 6.6
Inflammability class according to UL 94 V-2
Color blue
Standards for air and creepage distances EN 60079-11
Mounting type DIN rail: 35 mm
Type Double-level terminal block with disconnect knife
Direction of action Line-Line & Line-Earth Ground
Protective circuit
IEC test classification C1
C2
C3
D1
Nominal voltage U
N
24 V DC
Maximum continuous operating voltage U
C
30 V DC
Maximum continuous voltage U
C
(wire-ground)
30 V DC
Nominal current I
N
200 mA (T
A
< 40 °C)
Operating effective current I
C
at U
C
≤ 10 µA
Residual current I
PE
≤ 2 µA
Nominal discharge current I
n
(8/20) µs (Core-Core)
5 kA
Nominal discharge current I
n
(8/20) µs (Core-Earth)
5 kA
Total surge current (8/20) µs 10 kA
Total surge current (10/350) µs 2 kA
Max. discharge current I
max
(8/20) µs maximum (Core-Earth)
5 kA
5 kA
Nominal pulse current Ian (10/1000) µs (Core-Core) 100 A
Nominal pulse current Ian (10/1000) µs (Core-Earth) 100 A
Impulse discharge current (10/350)˽µs, peak value l
imp
1 kA
Output voltage limitation at 1 kV/µs (Core-Core) spike ≤ 40 V
Output voltage limitation at 1 kV/µs (Core-Earth) spike ≤ 1.5 kV
Output voltage limitation at 1 kV/µs (Core-Core) static ≤ 40 V
Output voltage limitation at 1 kV/µs (Core-Earth) static ≤ 1.5 kV
Residual voltage at I
n
, (conductor-conductor)
≤ 40 V
Residual voltage with Ian (10/1000)µs (conductor-conductor) ≤ 45 V
Voltage protection level U
P
(Core-Core)
≤ 60 V (C2 -5 kA)
Voltage protection level U
P
(Core-Earth)
≤ 1.5 kV (C2 -5 kA)
Response time tA (Core-Core) ≤ 1 ns
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Surge protection device-TT-ST-M-EX(I)-24DC-2859424
Technical data
Protective circuit
Response time tA (Core-Earth) ≤ 100 ns
Input attenuation aE, sym. typ. 1 dB (≤ 400 kHz/50 Ω)
typ. 0.4 dB (≤ 150 kHz / 150 Ω)
Cut-off frequency fg (3 dB), sym. in 50 Ohm system typ. 3 MHz
Cut-off frequency fg (3 dB), sym. in 150 Ohm system typ. 1 MHz
Resistance in series 6.6 Ω ±20 % (per path)
6.6 Ω
Surge protection fault message None
Max. required back-up fuse 200 mA (e.g. T in acc. with IEC 127-2/III)
Surge current resistance (conductor-conductor) C2 - 10 kV/5 kA
Surge current resistance (conductor-ground) C2 - 10 kV/5 kA
D1 - 1kA
Alternating current carrying capacity (conductor-ground) 2.5 A (1 s)
Connection data
Connection method Spring-cage connection
Connection type IN Spring-cage
Connection type OUT Spring-cage
Conductor cross section stranded min. 0.5 mm²
Conductor cross section stranded max. 2.5 mm²
Conductor cross section solid min. 0.5 mm²
Conductor cross section solid max. 4 mm²
Conductor cross section AWG/kcmil min. 24
Conductor cross section AWG/kcmil max 12
Standards and Regulations
Standards/regulations IEC 61643-21
General
Maximum inner capacitance C
i
4 nF
Maximum inner inductance L
i
1 µH
Max. input current I
i
200 mA (T4/≤ 85°C)
200 mA (T5/≤ 55°C)
200 mA (T6 / ≤ 40 °C)
Max. input voltage U
i
30 V
Maximum input power Pi 1.6 W
Insulation voltage to ground 500 V ±10 %
Conformity / approvals

2859424

Mfr. #:
Manufacturer:
Phoenix Contact
Description:
DIN Rail Terminal Blocks TT-ST-M-EX(I)-24DC
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
T/T Paypal Visa MoneyGram Western Union

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