NORD Drivesystems BU0300 - Manual (Page 28)

NORDAC trio SK 300E Manual
28 Subject to technical alterations BU 0300 EN
2.8.1 Modified SK 300E for compliance with category 3D
Only a modified frequency inverter is permissible for operating an SK 300E in the ATEX Zone 22. This
modification may only be implemented by NORD. The category 3D SK 300E can be recognised by the closed
technology unit cover (no LEDs) and by the rating plate on the outside of the frequency inverter.
Data on rating plate:
Type SK:
300E 3D TF
Mot. No.: Parts No. FI / Ident. No. FI
IP: 55
KW:
According to frequency inverter rating plate
rpm: max. 3000
V D/Y: 400 (FI supply voltage)
Hz: max. 100
S: 1 (only with SK300E-201-340-B = 3)
II 3D T125°C: Frequency inverter
Year of manufacture: Month/Year
SK 300E with mounted rating plate
and without LEDs
II 3D T125°C
2.8.2 Options for ATEX Zone 22
To ensure an ATEX-conform NORDAC trio SK 300E system, permission for hazardous areas must be
available for the optional modules.
• All SK TU2-… technology units are not authorised.
• All SK CU2- … customer units are authorised.
• ParameterBox for operation is authorised.
• SK ATX-POT ATEX potentiometer is authorised.
• External braking resistor SK BR3-120/100-TI 0/1 is not authorised.
• Adapter unit SK TI 0/2 for Harting attachment is not authorised.