PT 4-EX(I)-BE - Surge protection base-element

2839486

Base element for protective plug PT with protective circuit for a 4-core floating EEx ia signal circuit. Nominal voltage: 24 V DC, for mounting on NS 35/7.5 and NS 35/15, housing width: 17.5 mm

Product type Base element
Product family PLUGTRAB PT
Type Base element, DIN rail mounting
Number of positions 4
Wire pairs per module 2
Insulation characteristics
Overvoltage category III
Pollution degree 2

Nominal voltage UN 24 V DC

Connection method Screw connection
Screw thread M3
Tightening torque 0.5 Nm
Conductor cross section flexible 0.2 mm² ... 2.5 mm²
Conductor cross section rigid 0.2 mm² ... 4 mm²
Conductor cross section AWG 24 ... 12

Maximum inner capacitance Ci 1.1 nF
Max. internal inductance Li 1 µH
Max. input current Ii 500 mA (T4 / ≤ 80°C)
500 mA (T5 / ≤ 55 °C)
500 mA (T6 / ≤ 40 °C)
Max. input voltage Ui 30 V DC
max. input power Pi 850.00 mW (T4 / ≤ 80°C)
700.00 mW (T5 / ≤ 55 °C)
700.00 mW (T6 / ≤ 40 °C)
Maximum inner time factor (Ri/Li) ≤ 10 µs
Ambient temperature (operation) -40 °C ... 80 °C (T4)
-40 °C ... 55 °C (T5)
-40 °C ... 40 °C (T6)

Dimensional drawing
Width 17.7 mm
Height 90 mm
Depth 51.5 mm (incl. DIN rail 7.5 mm)
Horizontal pitch 1 Div.

Color blue (RAL 5015)
Copper
Flammability rating according to UL 94 V-0
Housing material PA 6.6

Mechanical data
Open side panel No

Maximum continuous voltage UC 30 V DC
21 V AC
Rated current 500 mA (40 °C)
Resistance per path 0 Ω
Surge protection fault message none
Max. required back-up fuse 500 mA (T)

Ambient conditions
Degree of protection IP20
Ambient temperature (operation) -40 °C ... 85 °C
Ambient temperature (storage/transport) -40 °C ... 85 °C
Altitude ≤ 2000 m (amsl)

Conformity/Approvals
ATEX  II 1 G Ex ia IIC T4...T6
 II 1 D Ex iaD 20 IP6x T85 °C...135 °C

Standards/specifications EN 61643-21
Note A2:2013
Standards/specifications EN 60079-0
Note 2018
Standards/specifications EN 60079-11
Note 2012
Standards/specifications IEC 60079-0
Note 2017
Standards/specifications IEC 60079-11
Note 2011

Mounting type DIN rail: 35 mm