Spec：

• ● Power source：AC 125V、0.3A. DC 24V、0.5A
• ● Port：COM、NC、NO
• ● Material ：A B S plastic
• ● Dimension：120mm ×70mm ×28mm

Function：

• ● 1.The emergency button has a common contact COM port.
• ● 2.The emergency button has a common contact NC port.
• ● 3.The emergency button has a common contact NO port.
• ● 4.It operates with single pre-installation box.