Linear Actuator Power

Using two relays combined with limit switches implies that the movement is caused by one relay engaging until the switch is tripped, while the control commanding the movement is also engaged. When the switch is triggered, power to that relay should be removed and power use should cease.

When moving in the other direction, the control engages power to the previously unpowered relay, allowing movement until the limit switch is once again triggered.

During this period of movement, both relays are capable of being powered, but the movement control should be designed to prevent simultaneous actuation.

If your system is not designed in this manner, I'd be surprised, but if it is not, consider to post the electrical diagram in use.