# Short-circuit in CAN lines

I have a device with a SNx5HVD251 CAN transceiver. I opened the datashett and read the following parameter:

IOS(SS) - Short-circuit steady-state output current

Below are two images of the datasheet that I put together here:

I didn't understood the relevance of this parameter or what it means.

1)For example, if I have VCANL at 12 V, CANH Open . It means that the current over CANL line will be at maximum of 200mA ? Or, it means that CANL line can support at maximum of 200mA ?

2)The CAN line will be passing through a relay. (The relay will not switch during communication, but the CAN line need to pass through it). So, how relevant is to take this value of current into account when I need to specify my componentes ? A relay with less than 200mA is much more cheaper, so I need to know the relevance of this parameter.