Datasheet
Data sheet
Bolt-type screw terminals
WFF 300
Weidmüller Interface GmbH & Co. KG
Klingenbergstraße 26
D-32758 Detmold
Germany
Fon: +49 5231 14-0
Fax: +49 5231 14-292083
www.weidmueller.com
Technical data
Creation date November 28, 2019 9:11:29 AM CET
Catalogue status 22.11.2019 / We reserve the right to make technical changes. 2
Dimensions and weights
Width 55 mm
Width (inches) 2.165 inch
Height 163 mm
Height (inches) 6.417 inch
Depth 85.5 mm
Depth (inches) 3.366 inch
Depth including DIN rail 94 mm
Weight
552.15 g
Net weight 534.14 g
Temperatures
Operating temperature range For operating temperature
range see EC Design
Test Certificate / IEC Ex-
Certificate of Conformity
Storage temperature, max.
40 °C
Storage temperature, min. 10 °C
Storage temperature 10 °C...40 °C
Continuous operating temp., min. -50 °C
Continuous operating temp., max. 120 °C
Material data
Material Wemid
Colour
dark beige
UL 94 flammability rating V-0
Rating data IECEx/ATEX
Certificate No. (ATEX) KEMA98ATEX1684U
Certificate No. (IECEX) IECEXKEM07.0053U
Max. voltage (ATEX) 1100 V
Current (ATEX) 452 A
Wire cross section max. (ATEX) 300 mm²
Max. voltage (IECEX) 1100 V
Current (IECEX) 452 A
Wire cross section max. (IECEX) 300 mm²
Operating temperature range For operating temperature
range see EC Design
Test Certificate / IEC Ex-
Certificate of Conformity
Marking EN 60079-7
Ex eb II C Gb
Ex 2014/34/EU label II 2 G D
System specifications
End cover plate required No
Number of levels 1
Number of clamping points per level 2
Levels cross-connected internally No
PE connection No
Rail TS 35
Additional technical data
Explosion-tested version Yes
Number of similar terminals 1
Open sides closed
Type of mounting Snap-on
CSA rating data
Certificate No. (CSA) 200039-1244019
Current size C (CSA) 510 A
Voltage size C (CSA) 600 V
Wire cross section max. (CSA)
600 kcmil
Wire cross section min. (CSA) 6 AWG