Electrical Connections; Conductor Material; Line Length And Installation - ABB TTF300 Series Commissioning Instructions

4

Electrical connections

Warning – Electrical dangers!
The relevant regulations must be observed during electrical installation. Connections must
only be established in a dead-voltage state.
The transmitter has no switch-off elements. Therefore, overcurrent protective devices,
lightning protection, or voltage disconnection options must be provided at the plant.
The power supply and signal are routed in the same line and must be implemented as a SELV
or PELV circuit in accordance with the relevant standard (standard version). For the Ex
version, the guidelines stipulated by the Ex standard must to be adhered to.
You must check that the available supply power corresponds to the information on the name
plate.
4.1

Conductor material

• Maximum cable outer diameter: 12 mm (0.47 inches)
• Maximum wire cross section: 2.5 mm
4.1.1

Line length and installation

A line length of 190 mm should be ensured between the cable gland entry and the terminals.
140 mm should be stripped from the cable jacket along this length.
Fig. 5
1 End of cable duct
CI/TTF300-X1
2
(AWG 14)
1
Ø 8,5 mm
70 mm (2.76 inch)
(0.33 inch)
54 mm (2.13 inch)
~140 mm (5.51 inch)
TTF300
Electrical connections
Ø 12 mm
(0.47 inch)
20 mm
(0.79 in.) 50 mm (1.97 inch)
50 mm (1.97 inch)
A00271
EN - 13