Surge protection base-element - PT 1X2-BE

Base element for protective plug PT with protective circuit for a 2-core floating signal circuit. Mounting on NS 35/7.5 und NS 35/15, housing width: 17.5 mm.

Product Details

Notes on operation When the PT...-BE base elements are used, the connections 9/10 (GND) are directly connected to the DIN rail via the metal mounting foot.

Type Base element, DIN rail mounting
Product type Base element
Number of positions 2
Surge protection fault message none
Wire pairs per module 1
Insulation characteristics
Overvoltage category III
Pollution degree 2

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 solid 0.2 mm² ... 4 mm²
Conductor cross section AWG 24 ... 12

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

Color jet black RAL 9005
Flammability rating according to UL 94 V-0
Housing material PA 6.6

Mechanical data
Open side panel No

Direction of action Signal Ground/Shield-Earth Ground
Maximum continuous voltage UC 53 V DC
37 V AC
Rated current 450 mA (45 °C)
Resistance per path 2.2 Ω ±10 %
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 (above mean sea level))

Standards/specifications IEC 61643-21
Standards/specifications EN 61643-21

Mounting type DIN rail: 35 mm

Item number 2856113
Packing unit 1 pc
Minimum order quantity 1 pc
Sales Key C07
Product Key CL2111
Catalog Page Page 122 (C-4-2019)
GTIN 4017918599287
Weight per Piece (including packing) 50.04 g
Weight per Piece (excluding packing) 49.03 g
Customs tariff number 85363010
Country of origin DE


ECLASS-9.0 27130803
ECLASS-10.0.1 27130803
ECLASS-11.0 27130803


ETIM 8.0 EC000472


UNSPSC 21.0 39121600


Approval ID: EAC-Zulassung


Approval ID: TAE00001N6
Approval Specification Data
Nominal Voltage UN Nominal Current IN Cross Section AWG Cross Section mm2


Approval ID: RU C-DE.*09.B.00169

UL Listed

Approval ID: FILE E 138168


Approval ID: 2020322316002243


Approval ID: PxCIF09ATEX2856113X
Approval Specification Data
Nominal Voltage UN Nominal Current IN Cross Section AWG Cross Section mm2
Intranet display is disabled

cUL Listed

Approval ID: FILE E 333250

UL Listed

Approval ID: FILE E 333250


Approval ID: 2020322316003150


Approval ID: GYJ20.1180X

cULus Listed

China RoHS Environmentally friendly use period: unlimited = EFUP-e
No hazardous substances above threshold values

Your advantages

Maximum ease of maintenance, thanks to the 2-piece design
Easy selection for all possible demands in MCR applications with a complete product portfolio
The signal is not influenced during maintenance work, thanks to the impedance-neutral insertion and removal of protective plugs