Snap Acting Relay, YT-520 senses supply pressure and changes the direction of the air flow when supply pressure is lower than setting pressure. It also provides "Fail-Position...
Snap Acting Relay, YT-525 senses supply pressure and changes the direction of the air flow when supply pressure is lower than setting pressure. It also provides "Fail-Position...
Snap Acting Relay, YT-530 senses supply pressure and changes the direction of the air flow when supply pressure is lower than setting pressure. It also provides "Fail-Position...