STP-301/451 Series Instruction Manual
6-3
Installation
6.1.2 Rear Panel
◇
A hazardous live voltage may exist at connector/terminal that marked
.
DO NOT touch the terminal. Doing so may result in electric shock. When operating
connection/disconnection to connector, always power OFF the STP pump (Switch
the breaker "OFF").
(13) AC POWER Connector (CON1)
A maximum voltage: Equal to the input voltage of this connector. (MAX 240VAC)
z For primary power input.
(14) MAIN POWER Breaker
z Switches ON/OFF the primary power.
z A metal fitting is attached to secure the breaker at the OFF position.
(15) P. CONNECTOR (CON2)
A maximum voltage: 62VAC
z For connection of the STP connection cable.
(16) Ground Terminal
z For connection of the ground cable between the STP pump and the STP control unit.
(17) I/O TB1 Terminal Block
A maximum voltage: Equal to the input voltage of this connector. (MAX 240VAC)
z For remote output signals.
(18) I/O TB2 Terminal Block
A maximum voltage: Equal to the input voltage of this connector. (MAX 240VAC)
z For remote input signals.
(19) F1 Fuse(250 V,10 A)
(20) F2 Fuse(250 V,10 A)
z For protection of optional power supply for the I/O TB1 terminal block.
(21) CON 4 Connector (Optional accessory)
A maximum voltage: Equal to the input voltage of this connector. (MAX 125VAC)
z For remote input/output signals.
This connector can maintain compatibility with the remote I/O signal of the
STP-200/300/400 series.
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