RLA-10AX6 is a housed relay box with 6 off 10amp max. rated 240VAC relays. Comes with terminal strip connections so the the devices being controlled (switched on/off) can be wired directing into the RLA-10AX6. IP55 rated enclosure for internal use only. A standard 8 core cable can be used as the control cable between the RLA-10AX6 and the controlling T3520 or T3516. The RLA-10AX6 is ideal for expanding the power capabilities oa T3520 controller.