MULTICAL® 403
Kamstrup A/S · Technical description · FILE100000166_B_EN-55121689_M1_07.2023
MULTICAL® 403 connected
to 24 VAC incl. transformer
(6699-403)
MULTICAL® 403 connected
to 24 VAC excl. transformer
MULTICAL® 403 direct
connected to 230 VAC
10.10 Safety transformer 230/24 VAC
The supply modules for 24 VAC are adjusted for use with a 230/24 VAC safety transformer e.g. Kamstrup type 6699-
403, which is mounted in a control panel or another separate capsuling. Regarding power consumption using a
safety transformer in connection with 24 VAC supply modules see paragraph 10.9.
Maximum cable length between 230/24 VAC transformer e.g. Kamstrup type 6699-403 and MULTICAL
®
403.
10.11 Supply cables for supply module
MULTICAL® 403 can be supplied with supply cable type H03VV-F2
1
2 x 0,75 mm² to be used for both 24 VAC/VDC
and 230 VAC, if required by the customer. The supply cable to the meter must not be protected by a larger fuse than
permitted, 6 A fuse for 2 x 0,75 mm² cable (accessory from Kamstrup A/S, type 5000-286). Alternatively a 2 x 1,0
mm² supply cable can be used with a 10 A fuse.
In connection with other installation types or if a larger fuse than 10 A is required, it is necessary to consult a
certified electrician for an evaluation of how the type of installation in question should be carried out in terms of
safety.
1
H03VV-F2 is the type designation of PVC-isolated cable, with a nominal voltage of 300/300 V and a max.
temperature of 70 °C. During installation please remember to keep sufficient distance to hot parts of the installation.