Cable Glands; Ttf350 Without Cable Gland; Ttf350 Eex D Models Without Cable Gland - ABB HART TTF350 Commissioning Instructions

Electrical connection
4.2

Cable glands

4.2.1

TTF350 without cable gland

The cable diameter for the cable gland used must comply with requirements for IP / Nema 4x
protection class. This must be checked during installation.
For delivery without cable gland (threads M20 x 1.5 or NPT 1/2"), the following points must be
observed:
• Use cable glands acc. to version M20 x 1.5 or NPT 1/2".
• Observe information in data sheet / operating instructions for cable gland used.
• Check the working temperature for the cable gland used.
• Check the IP protection class IP 66 / 67 or NEMA 4X of the cable gland in used.
• Check the explosion protection relevant information for the cable gland used acc. to
manufacturer's data sheet or Ex certificate.
• The cable gland used must be approved for the cable diameter (IP protection class).
• For tightening torque, observe information in data sheet / operating instructions for cable
gland used.
4.2.2

TTF350 EEx d models without cable gland

For delivery of the product variants TTF350-E3... (ATEX EEx d / hermetically sealed) and
TTF350-E4....(ATEX EEx d and EEx ia or hermetically sealed and intrinsically safe) without
cable gland an approved ATEX EEx d cable gland must be used according to EN 50018.
The explosion protection relevant information for the cable glands (M20 x 1.5 6H or 1/2" NPT,
clamping range, temperature range, etc.) must comply with the requirements for PTB ATEX
approval in order to ensure protection type EEx d for the TTF350.
For information on the cable gland used, refer to the data sheet and operating instructions.
12 - EN TTF350 CI/TTF350-X1